What metals are ductile

Top 10 strongest metals in the world

The use of metals in everyday life began at the dawn of human development, and the first metal was copper, since it is available in nature and can be easily processed.

It is not without reason that archaeologists during excavations find various products and household utensils made of this metal. In the process of evolution, people gradually learned to combine various metals, obtaining increasingly durable alloys suitable for making tools, and later weapons.

Nowadays, experiments continue, thanks to which it is possible to identify the strongest metals in the world.

10. Titan

Our rating opens with titanium, a high-strength hard metal that immediately attracted attention. The properties of titanium are:

• high specific strength;
• resistance to high temperatures;
• low density;
• corrosion resistance;
• mechanical and chemical resistance.

Titanium is used in the military industry, aviation medicine, shipbuilding, and other areas of production.

9. Uranus

The most famous element, considered one of the strongest metals in the world, and under normal conditions is a weak radioactive metal. In nature, it is found both in a free state and in acidic sedimentary rocks. It is quite heavy, widely distributed everywhere and has paramagnetic properties, flexibility, malleability, and relative ductility. Uranium is used in many areas of production.

8. Tungsten

Known as the most refractory metal in existence, it is one of the strongest metals in the world. It is a solid transitional element of a shiny silver-gray color. It has high strength, excellent refractoriness, and resistance to chemical influences. Due to its properties, it can be forged and drawn into a thin thread. Known as tungsten filament.

7. Rhenium

Among the representatives of this group, it is considered a high-density transition metal with a silvery-white color. It occurs in nature in its pure form, but is found in molybdenum and copper raw materials. It is characterized by high hardness and density, and has excellent refractoriness. It has increased strength, which is not lost due to repeated temperature changes. Rhenium is an expensive metal and has a high cost. Used in modern technology and electronics.

6. Osmium

A shiny silver-white metal with a slightly bluish tint, it belongs to the platinum group and is considered one of the strongest metals in the world. Similar to iridium, it has a high atomic density, high strength and hardness.

Since osmium is a platinum metal, it has properties similar to iridium: refractoriness, hardness, brittleness, resistance to mechanical stress, as well as to the influence of aggressive environments.

It has found wide application in surgery, electron microscopy, the chemical industry, rocketry, and electronic equipment.

5. Beryllium

It belongs to the group of metals and is a light gray element with relative hardness and high toxicity. Due to its unique properties, beryllium is used in a wide variety of production areas:

• nuclear energy;
• aerospace engineering;
• metallurgy;
• laser technology;
• nuclear energy.

Due to its high hardness, beryllium is used in the production of alloying alloys and refractory materials.

4. Chrome

Next on the list of the ten strongest metals in the world is chromium - a hard, high-strength metal of a bluish-white color, resistant to alkalis and acids.

It occurs in nature in its pure form and is widely used in various branches of science, technology and production. Chromium is used to create various alloys that are used in the manufacture of medical and chemical processing equipment.

When combined with iron, it forms an alloy called ferrochrome, which is used in the manufacture of metal-cutting tools.

3. Tantalum

Tantalum deserves bronze in the ranking, as it is one of the strongest metals in the world. It is a silvery metal with high hardness and atomic density. Due to the formation of an oxide film on its surface, it has a leaden tint.

The distinctive properties of tantalum are high strength, refractoriness, resistance to corrosion, and resistance to aggressive environments. The metal is a fairly ductile metal and can be easily machined. Today tantalum is successfully used:

• in the chemical industry;
• during the construction of nuclear reactors;
• in metallurgical production;
• when creating heat-resistant alloys.

2. Ruthenium

The second place in the ranking of the most durable metals in the world is occupied by ruthenium, a silvery metal belonging to the platinum group. Its peculiarity is the presence of living organisms in the muscle tissue.

Valuable properties of ruthenium are high strength, hardness, refractoriness, chemical resistance, and the ability to form complex compounds.

Ruthenium is considered a catalyst for many chemical reactions and acts as a material for the manufacture of electrodes, contacts, and sharp tips.

1. Iridium

The most durable metals in the world are led by iridium - a silver-white, hard and refractory metal that belongs to the platinum group. In nature, the high-strength element is extremely rare and is often combined with osmium. Due to its natural hardness, it is difficult to machine and is highly resistant to chemicals. Iridium reacts with great difficulty to exposure to halogens and sodium peroxide.

This metal plays an important role in everyday life. It is added to titanium, chromium and tungsten to improve resistance to acidic environments, used in the manufacture of stationery, and used in jewelry to create jewelry. The cost of iridium remains high due to its limited presence in nature.

Source: https://top10a.ru/top-10-samye-prochnye-metally-v-mire.html

Brass plates 58 readings:

Brass plates are one of the most presentable and durable ways to decorate metal signs, facades and doors. Very often they are used to create the interior of large companies, offices and administrative institutions, less often - in shopping and entertainment complexes, schools, and universities. Made of soft brass, such signs look beautiful and original in any interior, symbolizing success, respectability and prosperity of the company.

Advantages of brass as a metal

Brass signs are made from brass (an alloy of copper and zinc), which usually has a golden hue. This metal has excellent performance characteristics, including:

• Plastic. Brass has sufficient softness and malleability in molding and rolling. That is why you can use it to create signs of any shape, with any relief and design.
• Reliability. In order to increase the strength of plates, other metals are added to copper - zinc, chromium, etc., as a result of which the finished products demonstrate high resistance to mechanical damage and do not deform.
• Practicality. Brass products do not require complex maintenance. They are not subject to corrosion, so they are suitable for outdoor use. Such products can be secured either with double-sided tape or with self-tapping screws.

Features of making brass plates

Brass plates are made from sheets of non-ferrous metal up to 7 mm thick. From soft and ductile metal you can create all kinds of products: nameplates and tags, office and facade, ritual and name plates. As a rule, letters and images are applied using raised or deep engraving, and the finished products have a glossy or matte background. Volumetric letters are considered an original solution.

Manufacturing of brass plates in Moscow

The MosStamp operational printing house specializes in the production of all types of printed products and offers to order inexpensive brass plates. The company's experienced specialists are able to complete projects of any complexity in the shortest possible time.

Products are manufactured using innovative equipment and popular technologies - engraving, casting, laser cutting, 3D milling. Promotions and discounts, delivery services and urgent production of signs, and competent advice on all issues are provided for all clients.

Source: https://www.cpv.ru/modules/publisher/item.php?itemid=4976

Sheet metal bending technology. What is metal bending – My site

Currently, precision metal bending technology is actively used, as it allows a manufacturing organization to abandon the use of stamps in the manufacture of many parts.

The use of bending also makes it possible to obtain high accuracy of the linear dimensions and angles of the product and to obtain a seamless, one-piece structure.

This is a huge advantage for production, since the seams on welded products are often the most vulnerable point, where corrosion is most common, and, as a result, the integrity of the product is compromised.

The high strength of the metal subjected to this treatment is also noted. All steels and metal alloys of acceptable thickness are subjected to the technological process. Only the most fragile sheets of metal are not subject to bending. As a rule, bending equipment is used in conjunction with a laser machine, that is, the part itself is initially cut out and then subjected to bending.

Technologies

Sheet metal bending is carried out in various ways. The most widely used machines are the “Press Brake” type. The popularity of this technology is due to the following features.

• The same equipment can produce parts of different configurations from different materials and different thicknesses.
• High production flexibility - most parts are manufactured without equipment changeovers or tool changes. Moreover, often the tool does not change at all, while in production there may be a large number of parts that are different both in configuration and in material/thickness.
• High performance.
• Low equipment cost and production cost.
• Applicability of process automation.

At the same time, the possibilities of such a technological process cannot be limitless. The main limiting factors or their combination are:

• material properties;
• features of the instrument;
• knowledge and skills of technologists and operators;
• press capabilities.

Let's consider the main, most important issues of bending sheet metal on Press Brake machines.

Metal deformation

Bending on press brakes is based on the 3-point principle. The sheet rests on 2 matrix points. The punch presses on the sheet between 2 points of the matrix, forming a third, central point.

As the punch is lowered, the center point of the sheet lowers with it, and the lower side surfaces of the sheet slide along the radii of the V-opening of the matrix. The material is somewhat compressed at the point of pressure of the punch and significantly stretched from the underside of the sheet.

Also, the material is deformed at the point of sliding along the matrix - visible or invisible traces of deformation (indentation) remain there.

Schematic illustration of metal deformation during bending

The length of the development in the direction perpendicular to the bend line always increases. In this regard, the length of the sweep is made less than the sum of all the sides. The elongation of the workpiece at each bend depends on:

• thickness and type of material,
• bend angle,
• bending radius (width of the V-opening of the matrix and punch radius),
• rental directions.

The theoretical calculation will always be approximate. The most accurate result can be obtained experimentally. To do this, you need to take several blanks, for example, 100x100. Mark the rental direction.

Bend an equal number of blanks along the rolled section and across it. Take measurements of the resulting sides. For each workpiece, sum the lengths of the sides and subtract 100. The resulting difference will be the elongation for the given bending conditions.

Comparing the results obtained, the following can be assessed:

• stability of results,
• influence of rolling direction.

In most cases, the difference in elongation along the rolled section and across it can be neglected. However, if the requirements for the accuracy of the resulting dimensions are very high and/or the number of bends is large, then this difference should be taken into account when creating a development and positioning it on the sheet.

Peculiarities

Separately, it should be noted that the more the metal needs to be deformed (reducing the minimum side, angle and bending radius), the greater the impact required. Here the impact is directly related to pressure and moment of force. Pressure is the ratio of force to the area over which it is applied.

Thus, to increase impact, more force must be applied over a smaller area. The moment of force, in turn, is the product of the acting force and the length of the lever of application of the force. Reducing the minimum flange or bending radius requires the use of a die with a smaller V-opening and, as a result, less leverage.

Accordingly, other things being equal, bending on a die with a smaller opening requires the application of greater force.

Schematic representation of force and leverage when bending on dies with different V-openings

Source: http://ctroisys.ru/texnologiya-gibki-listovogo-metalla-gibka-metalla-chto-takoe.html

What types of metal alloys are there?

Metals have been used by humans for many millennia. The defining eras of human development are named after the names of metals: the Bronze Age, the Iron Age, the Age of Cast Iron, etc. Not a single metal product around us consists of 100% iron, copper, gold or other metal. Each contains additives deliberately introduced by a person and harmful impurities introduced against the will of a person.

Absolutely pure metal can only be obtained in a space laboratory. All other metals in real life are alloys - solid compounds of two or more metals (and non-metals), purposefully obtained in the process of metallurgical production.

Classification of homogeneity of alloys

Classification

Metallurgists classify metal alloys according to several criteria:

1. manufacturing method:
2. production technology:
   • foundries;
   • deformable;
   • powder;
3. homogeneity of structure:

   Types of alloys based on them

4. type of metal - basics:
   • black (iron);
   • non-ferrous (non-ferrous metals);
   • rare metals (radioactive elements);
5. number of components:
   • double;
   • triple;
   • and so on;
6. physicochemical characteristics:
   • refractory;
   • fusible;
   • high strength;
   • heat resistant;
   • hard;
   • antifriction;
   • corrosion-resistant, etc.;
7. purpose:
   • structural;
   • instrumental;
   • special.

Metals and alloys based on them have different physical and chemical characteristics.

The metal having the largest mass fraction is called the base.

Properties of alloys

The properties possessed by metal alloys are divided into:

1. Structurally insensitive. They are determined by the properties of the components and their percentage. These include :
   • density;
   • melting temperature;
   • thermal and elastic characteristics;
   • coefficient of thermal expansion;
2. structurally sensitive. Determined by the properties of the element - the base.

Source: http://ooo-asteko.ru/kakie-byvayut-splavy-metallov-spisok/

Classification of metals. Characteristics of metals and areas of application:

Several scientific disciplines (materials and metallurgy, physics, chemistry) study the properties and characteristics of metals. There is a generally accepted classification of them. However, each of the disciplines, when studying them, is based on specific specialized parameters that are in its area of ​​interest. On the other hand, all sciences that study metals and alloys adhere to the same point of view that there are two main groups: ferrous and non-ferrous.

Signs of metals

The following basic mechanical properties are distinguished:

• Hardness - determines the ability of one material to resist the penetration of another, harder one.
• Fatigue is the amount and time of cyclic impacts that a material can withstand without changing its integrity.
• Strength. It is as follows: if you apply a dynamic, static or alternating load, this will not lead to a change in shape, structure and dimensions, or damage to the internal and external integrity of the metal.
• Plasticity is the ability to maintain integrity and the resulting shape during deformation.
• Elasticity is deformation without violating integrity under the influence of certain forces, and also, after getting rid of the load, the ability to return to its original shape.
• Resistance to cracks - under the influence of external forces they do not form in the material, and external integrity is also maintained.
• Wear resistance – the ability to maintain external and internal integrity during prolonged friction.
• Viscosity – maintaining integrity under increasing physical stress.
• Heat resistance - resistance to change in size, shape and destruction when exposed to high temperatures.

Metal classification

Metals include materials that have a combination of mechanical, technological, operational, physical and chemical properties:

• mechanical confirm the ability to resist deformation and destruction;
• technological indicate the ability to perform different types of processing;
• operational ones reflect the nature of changes during operation;
• chemical ones show interaction with various substances;
• physical ones indicate how the material behaves in different fields - thermal, electromagnetic, gravitational.

According to the metal classification system, all existing materials are divided into two volumetric groups: ferrous and non-ferrous. Technological and mechanical properties are also closely related. For example, the strength of a metal can be the result of proper processing. For these purposes, so-called hardening and “aging” are used.

Chemical, physical and mechanical properties are closely interrelated, since the composition of the material determines all its other parameters. For example, refractory metals are the strongest. Properties that appear at rest are called physical, and under external influence - mechanical. There are also tables for classifying metals by density - main component, manufacturing technology, melting point, and others.

Black metals

Materials belonging to this group have the same properties: impressive density, high melting point and dark gray color. The first large group of ferrous metals includes the following:

1. Iron - cobalt, manganese, nickel, iron. They are used as a base or additives to alloys.
2. Refractory - chromium, tungsten, molybdenum, titanium. All of them have a melting point higher than the level at which iron melts. Used as a base or additive for the production of alloy steels.
3. Uranium – actinides and metals obtained as a result of synthesis. They are widely used in nuclear energy.
4. Rare earths – neodymium, cerium, lanthanum. All metals have related chemical properties, but completely different physical parameters. They find their application as additives to alloys.
5. Alkaline earth - calcium, sodium, lithium. In their free form they have no practical use.

Non-ferrous metals

The second largest group has low density, good ductility, low melting point, predominant colors (white, yellow, red) and consists of the following metals:

• Lungs – magnesium, strontium, cesium, calcium. In nature they are found only in strong compounds. They are used to produce light alloys for various purposes.
• Noble ones. Examples of metals: platinum, gold, silver. They have increased resistance to corrosion.
• Low-melting materials - cadmium, mercury, tin, zinc. They have a low melting point and are used in the production of various alloys.

The low strength of non-ferrous metals does not allow them to be used in their pure form, so in industry they are used in the form of alloys.

Copper and copper alloys

In its pure form it has a pinkish-red color, low resistivity, low density, good thermal conductivity, excellent ductility, and is resistant to corrosion. It is widely used as a conductor of electric current.

For technical needs, two types of copper alloys are used: brass (copper with zinc) and bronze (copper with aluminum, tin, nickel and other metals). Brass is used for the manufacture of sheets, strips, pipes, wires, fittings, bushings, and bearings.

Flat and round springs, membranes, various fittings, and worm pairs are made from bronze.

Aluminum and alloys

This very light metal has a silvery-white color and is highly resistant to corrosion. It has good electrical conductivity and ductility. Due to its characteristics, it has found application in the food, light and electrical industries, as well as in aircraft construction. Aluminum alloys are very often used in mechanical engineering for the manufacture of critical parts.

Magnesium, titanium and their alloys

Magnesium is not resistant to corrosion, but there is no lighter metal used for technical needs. Basically, it is added to alloys with other materials: zinc, manganese, aluminum, which are perfectly cut and are quite strong.

Alloys with light metal magnesium are used to make housings for cameras, various devices and engines. Titanium has found its application in the rocket industry, as well as mechanical engineering for the chemical industry.

Titanium-containing alloys have low density, excellent mechanical properties and corrosion resistance. They lend themselves well to pressure treatment.

Anti-friction alloys

Such alloys are specified to increase the service life of surfaces subject to friction. They combine the following characteristics of the metal - good thermal conductivity, low melting point, microporosity, low coefficient of friction. Antifriction alloys include those based on lead, aluminum, copper or tin. The most used include:

• babbitt. It is made from lead and tin. Used in the production of liners for bearings that operate at high speeds and under shock loads;
• aluminum alloys;
• bronze;
• metal-ceramic materials;
• cast iron.

Soft metals

According to the metal classification system, these are gold, copper, silver, aluminum, but among the softest are cesium, sodium, potassium, rubidium and others. Gold is highly dispersed in nature. It is found in sea water, the human body, and can also be found in almost any fragment of granite. In its pure form, gold has a yellow color with a hint of red, since the metal is soft - it can even be scratched with a fingernail.

Under the influence of the environment, gold is destroyed quite quickly. This metal is indispensable for electrical contacts. Although silver is twenty times more abundant than gold, it is also rare. Used for the production of tableware and jewelry.

The light metal sodium has also become widespread and is in demand in almost every industry, including the chemical industry for the production of fertilizers and antiseptics.

The metal is mercury, although it is in a liquid state, therefore it is considered one of the softest in the world. This material is used in the defense and chemical industries, agriculture, and electrical engineering.

Hard metals

The hardest metals practically do not exist in nature, so it is very difficult to obtain them. In most cases they are found in fallen meteorites. Chrome belongs to the refractory metals and is the hardest of the purest on our planet, and it is also easy to machine. Tungsten is a chemical element.

It is considered the hardest when compared with other metals. Has an extremely high melting point. Despite its hardness, any necessary parts can be forged from it. Due to its heat resistance and flexibility, it is the most suitable material for smelting small elements used in lighting fixtures.

The refractory metal tungsten is the main substance of heavy alloys.

Metals in energy

Metals, which contain free electrons and positive ions, are considered good conductors. This is a rather popular material, characterized by plasticity, high electrical conductivity and the ability to easily donate electrons. They are used to make power, radio frequency and special wires, parts for electrical installations, machines, and household electrical appliances. The leaders in the use of metals for the manufacture of cable products are:

• lead - for greater resistance to corrosion;
• copper - for high electrical conductivity, ease of processing, corrosion resistance and sufficient mechanical strength;
• aluminum - for low weight, vibration resistance, strength and melting point.

Categories of Ferrous Secondary Metals

There are certain requirements for ferrous metal waste. To send alloys to steel furnaces, certain processing operations will be required. Before submitting an application for waste transportation, you must familiarize yourself with the GOST ferrous metals to determine its cost. Black secondary scrap is classified into steel and cast iron. If the composition contains alloying additives, then it is classified as category “B”. Category “A” includes carbon materials: steel, cast iron, additives.

Metallurgists and foundry workers, due to the limited primary raw material base, are showing an active interest in secondary raw materials. Using scrap ferrous metals instead of metal ore is a resource-saving as well as energy-saving solution. Recycled ferrous metal is used as a coolant for converter smelting.

The range of applications of metals is incredibly wide. Black and colored are used indefinitely in the construction and machinery industries. The energy industry cannot do without non-ferrous metals. Rare and precious ones are used to make jewelry. Both non-ferrous and ferrous metals are used in art and medicine. It is impossible to imagine a person’s life without them, from household supplies to unique instruments and apparatus.

Source: https://www.syl.ru/article/356127/klassifikatsiya-metallov-harakteristika-metallov-i-oblasti-primeneniya

Capabilities and features of a laser engraver: for wood, plastic, metal

A laser engraver is a multifunctional high-tech equipment designed to create unique decorated products.

Working as a laser engraver is a very interesting activity that allows you to create original drawings, fancy patterns, complex ornaments and inscriptions on the surface of various materials. With the help of such equipment you can decorate metal, wood and plastic things.

But in order for products created on a laser machine to be beautiful and of high quality, you need to know some features of the procedure.

What problems can be solved using a laser engraver?

Decorating with a laser engraver is the most popular type of engraving, the principle of which is to burn the surface with a focused laser beam. Most modern models of this device are controlled using external PCs equipped with special software. The program included with the engraver performs a number of tasks:

• converts images stored on a computer into vector format;
• transmits information about the translated image to the controller;
• ensures the coordinated functioning of all structural elements.

The engraver is intended for decorating products made from different materials. With its help, you can display a wide variety of designs, patterns and inscriptions on the surface of wood, metal, glass, leather and so on. Using engraving, you can create the following elements:

• logos;
• brand marks;
• signs;
• gift souvenirs;
• seals, stamps;
• awards, souvenirs;
• paintings.

The device not only transfers an image from a computer to the surface of an object, but also provides polishing, grinding and cutting of materials. You can also use it to drill holes and create 3D elements.

Features of wood processing

Laser engraving on wood is one of the most popular types of decoration, in which a high-quality image is applied to a wooden surface by laser burning. Today the following products are most often processed:

• wooden souvenirs;
• decorative interior elements;
• portraits, paintings and photos;
• signs, signs;
• stands;
• kitchen products.

Laser engraving is widely used in the furniture industry. Decorating wood allows you to get a lasting relief image, displaying even the smallest details and lines. Depending on the engraving mode, you can get an image from light yellow to black.

Features of plastic processing

Plastic is a very popular material from which many different items are made today. Using engraving, plastic products can be given a unique design. Decoration using a laser engraver is characterized by exceptional precision (up to 0.1 mm), thanks to which even complex contours and delicate shapes can be realized.

The most suitable material for this is two-layer plastic. Often patterns and inscriptions are applied to cast acrylic, as well as transparent or colored plexiglass. Using this device, you can produce a variety of signs, stickers, labels, badges and stands.

The principle of metal processing is the heating and evaporation of material particles by a high-energy beam. Due to the colossal heat dissipation through the metal, a conventional laser beam is not able to melt the material properly. Therefore, to decorate metal products you need a beam with a power of several hundred or even thousands of watts. Metal laser engraver is used in the following areas:

• mechanical engineering;
• microsimulation;
• furniture, textile industry;
• artistic metal processing;
• medicine;
• Advertising activity.

Using engraving, you can create original products of various types: lighters, rings and pendants, medals, flasks, knives and much more.

Laser engraving is a great combination of precision, speed, versatility and durability. With its help, you can create an unforgettable gift for a loved one or add some zest to your image or interior.

Source: https://tehnopanorama.ru/instrumenty/vozmozhnosti-i-osobennosti-lazernogo-gravera-dlya-dereva-plastika-metalla.html

Properties of metals

To successfully create decorative products, you need to know the basic properties of the source material, as well as the technology for working with it.

Nowadays, both pure metals and their alloys can be used to make dishes, jewelry and various interior design items.

Artwork - silver vase

All metals and alloys created on their basis are divided into two large groups with different properties:

• Ferrous metals - steel
• Non-ferrous metals - copper, bronze, brass, zinc, tin, aluminum, lead and silver.

It is these types of metals that are most often used to make decorative items, dishes and much more. Therefore, let's look at their properties and features of metal processing.

Steel 

Steel belongs to ferrous metals. Carbon steel, which is an alloy of iron with carbon and other elements, is best suited for artistic processing. Steel has high quality characteristics, including the following:

• Elasticity
• Strength
• Hardening ability - a piece of steel is heated at a high temperature until red-hot and then dipped in water. Thanks to this, the metal acquires varying degrees of hardness and elasticity.
• Possibility of “releasing” by heating to red heat and then slowly cooling.
• Ability to be processed with a forging hammer in a heated state, since the steel is perfectly forged.
• Possibility of cutting metal into thin strips.

The softness of steel is directly proportional to the amount of carbon in its composition. The less carbon there is in a metal, the softer and easier it is to process. The softness of steel increases during annealing, that is, “releasing” the metal. To do this, the steel is heated red-hot and then subjected to a slow cooling procedure.

Steel for the manufacture of various products and artistic processing is produced in the form of graded material. For engraving and minting, U8 and U10 steels are most often used, where the letter “U” indicates the amount of carbon in the alloy.

The blade of the knives is made of stainless carbon steel

HyperX Cloud Flight: the first long-lasting wireless stereo headset / Hi-Fi and digital audio / iXBT Live

I welcome everyone who stopped by. The review will focus, as you probably already guessed, on the full-size wireless headset (headphones) HyperX Cloud Flight . Distinctive features of the model include good sound, delay-free radio transmission, backlit swivel cups, long battery life, and much more. If anyone is interested, you are welcome

Information about the headset on the manufacturer's website here

You can buy it here

You can also see here

Or on the Aliexpress site here

Model features:

Despite the fact that the HyperX Cloud Flight headset was released more than a year ago, it appeared in Russian retail relatively recently and has already declared itself as a fairly balanced model with very good sound without any delays and long battery life.

Key features are as follows:

• — sound transmission via 2.4 GHz radio channel without delays
• - large range of action
• — light weight (300g)
• - detachable microphone
• — cups with 90° rotation angle and LED effects
• — long battery life (up to 30 hours)
• — maintaining the functionality of the headset when charging the battery
• - volume control via encoder
• — availability of software with the ability to evaluate battery charge and receiver firmware

Characteristics:

• — Manufacturer — HyperX
• — Model name – Cloud Flight
• — Case material – plastic + metal
• — Sound circuit format – 2.0 (stereo)
• — Headphone type — full-size closed type
• — Diameter of sound emitters – 50mm with neodymium magnets
• — Sound emitter impedance – 32 Ohm 
• — Acoustic range over the radio channel – 20Hz – 20kHz 
• — Acoustic range via wire – 15Hz – 23kHz 
• — Nonlinear distortion coefficient — < 2%
• — Cable length – 1.3 m
• — Microphone – removable condenser type
• — Weight – 300g (315g with microphone)

Equipment:

• - Kingston HyperX Cloud Flight headset
• - detachable microphone
• — extension cord 1.3 m long
• - USB charging cable
• - USB receiver
• — connection guide

The HyperX Cloud Flight wireless headset (headphones) comes in a branded colorful box, which indicates the main features of the product:

The box looks quite rich, so given the good quality of the headset, it can be safely recommended as a very good gift.

For additional protection of the headset, there is a protective box inside the box:

I would like to add that the packaging is reliable and you can safely order the headset in online stores.

Appearance:

The design of the headset is well designed, in other respects, like most models from HyperX:

The body is made of matte dark plastic. This solution allows you to camouflage minor scuffs and scratches, and also does not leave visible fingerprints that adversely affect the appearance.

Despite the predominance of plastic in the design, the most important elements are made of metal. The base of the headband, in turn, is made of aluminum alloy and holds its shape quite well, confidently pressing the headphones to the listener’s head.

On the outside there is a HyperX logo, which means that we have a line of high-performance products, namely a line of gaming headsets:

Among the pleasant features of the headband, we can note the soft eco-leather lining and “foam” filler with “shape memory”:

In terms of tactile sensations, the “foam” resembles some kind of foam rubber. But the most important thing is that the headband does not strain your head at all, even when wearing the headset for a long time. Of course, the light weight of the headset also helps with this, only 300g without a microphone.

The adjusting feet of the cups are already made of steel (magnetic), which also has a positive effect on the mechanical strength and reliability of the headset as a whole, which will be especially noticeable if it is treated carelessly and with sudden jerks:

The adjustment stroke is 35mm, and thanks to the unique stops, eight fixed positions are available, which is more than enough for users of all ages.

Another nice feature of the HyperX Cloud Flight headset is the swivel ear cups, which can be rotated up to 90 degrees in one direction:

This ensures comfortable wearing of the headset on the neck when it is not needed, or the ability to listen to the recording with one ear:

I’ll tell you straight, the “trick” is really very useful and it’s actually strange why it hasn’t come across before.

Since the headset is a full-size closed type, the cup sizes are corresponding. They completely cover the auricle and cut off external sounds. The ear pads are made of eco-leather and also filled with shape memory foam. The main controls are located at the lower end of the left cup:

This is a power button, which also combines a backlight control mode, a miniJack 3.5mm (TRS) connector for wired connection of headphones via an AUX extension cable, a microUSB port for charging the built-in battery and a miniJack 3.5mm (TRRS) connector for a microphone. The microphone activation button is located on the outside of the cup.

On the right cup there is only an encoder-based volume control:

As for the microphone, in this model it is removable, which allows you to connect it only when necessary:

Thanks to the flexible leg, it can be fixed in any position.

Compared to other representatives, the HyperX Cloud Flight headset looks very solid. As an example, comparison with the Tronsmart Encore S6 headset:

Microphone:

The HyperX Cloud Flight wireless headset is equipped with a removable condenser microphone with noise reduction function, which can simply be turned off or replaced if not needed:

For me personally, this is a big plus, since I don’t need it and it just gets in the way. Connection to the headset is made via a 4-pin miniJack 3.5mm connector:

The microphone itself is located on a flexible leg 10cm long, which bends well and holds its shape perfectly in any direction:

The microphone is activated by pressing the false button on the left earcup, and a low signal is heard.

The microphone plug fits quite tightly into the socket. If you connect frequently, the connector may become a little loose and the microphone will start to fall out, so I would like to see a “snap-on” connection, as well as a silicone plug to protect the socket from dust.

There are no complaints about the quality of the microphone, but it is worth noting one nuance, namely the impossibility of using it with a wired connection. The fact is that the connection is made via an AUX extender with 3-pin miniJack 3.5mm plugs (TRS), which can only transmit a stereo signal, so I would like to see a 4-pin wired connection (TRRS), but for me this is absolutely not critical.

Ear pads:

The ear pads here are made of eco-leather and also filled with shape memory foam. I would like to add that they are soft and comfortable, and their size allows them to easily accommodate even the largest ears. The dimensions of the inner part of the ear pads are 65mm*45mm. Here's a visual comparison with a box of matches:

The depth is standard, about 2cm, so average ears will be quite comfortable:

It is worth noting that the ear pads are removable and, if necessary, can be replaced with new ones of the same size and shape. Unfortunately, there are no spare ear pads included, but they can be ordered on the company’s website.

Connection:

Source: https://www.ixbt.com/live/digs/hyperx-cloud-flight-pervaya-dolgoigrayuschaya-besprovodnaya-stereogarnitura.html

Difference between polymers and metals

The main difference between polymers and metals is that polymers are lighter materials compared to metals.

If we take a ball made of a polymeric material such as plastic and a ball made of metal of the same size, we will see that the metal ball is heavier than the plastic ball. Hence, this property of polymer is very beneficial because we can replace metal with plastic material if it has the desired properties which are almost similar to metal. Additionally, there are more differences between polymers and metals, which we will discuss in the following text.

1. Overview and main differences
2. What are polymers
3. What are metals
4. Comparison - polymers versus metals
5. Summary

What polymers?

A polymer is a macromolecular material that has a large number of repeating units linked to each other by covalent chemical bonds. These repeating units are the monomers that were used to make the polymer.

Consequently, monomers undergo a process called polymerization to form a polymer. There are mainly two types of polymers and these are natural and synthetic polymers.

Natural polymers mainly include biopolymers such as protein and nucleic acids, while synthetic polymers include man-made polymeric materials such as plastic, nylon, etc.

Since there are many known polymer materials, we classify them into several groups for ease of study. These classifications can be different; depending on the structure, properties, morphology, etc.

For example, we can classify these materials by structure as linear, branched, and network polymers. Moreover, we can classify them according to their properties as thermoplastic, thermoset and elastomeric.

Based on their morphology, we can classify them as amorphous, semi-crystalline and crystalline polymers.

Moreover, polymers have many desirable properties due to their high molecular weight. These properties include toughness, viscoelasticity, glassiness, high strength-to-weight ratio, etc. Moreover, these materials are much cheaper and more economical compared to some other materials such as metals.

Metals are materials that have a shiny appearance, high thermal conductivity and electrical conductivity. They are usually malleable and plastic. Additionally, these metals include pure elements or alloys (an alloy is a combination of two or more metals and some other non-metals). Additionally, there are several types of metals in the element's periodic table; alkali metals, alkaline earth metals, transition metals, etc.

Metal sauce boat

When considering the properties, these materials have very favorable properties for structures as well as other applications such as making jewelry, tools, vehicles, etc. Some of these important properties include shiny appearance, high density, malleability, ductility, high strength, high thermal and electrical conductivity, etc.

A polymer is a macromolecular material having a large number of repeating units linked together by covalent chemical bonds, while metals are either pure elements or alloys. Therefore, they have different chemical and physical properties.

 The main difference between polymers and metals is that polymers are lighter than metals. However, metals have a shiny appearance and high thermal and electrical conductivity. In addition, the strength-to-weight ratio of polymeric materials is higher than that of metals.

 Additionally, another important difference between polymers and metals is that metals are very malleable and ductile, while most polymers are not.

Source: https://raznisa.ru/raznica-mezhdu-polimerami-i-metallami/