aluminum nitride

What are the applications of aluminum nitride ceramic materials?

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Aluminum nitride This material is considered the ideal packaging material for new generations of semiconductor substrates, electronic devices and other highly integrated products. Aluminum nitride is also used in crucibles to melt non-ferrous materials and semiconductor materials, such as gallium arenide. They can also be used for high-temperature parts and insulation, or as thermocouple protection tubes. This inorganic material has a broad range of applications. The substrate material is aluminum nitride
Substrate materials used for electronic packaging must have high electrical resistance, good thermal conductivity and a low dielectric constant. The substrate for packaging should also be able to match silicon wafers thermally, have a high flatness surface, be easy to mold, have easy metallization and processing, as well as low cost. Due to their high thermal conductivity, good high-frequency properties, good insulation properties and stable chemical properties of ceramics, they have become the most widely used substrate materials. Commonly used ceramic substrate materials include beryllium oxide, aluminum oxide, aluminum nitride, etc. Aluminum oxide ceramic substrates have a low thermal conductivity, and their thermal expansion coefficient is not comparable to that of silica. Beryllium dioxide has excellent properties but its powder can cause pronounced effects. Poison, aluminum nitride, ceramics with high thermal conductivity. They also have excellent thermal shock resistance and good mechanical properties, making them the ideal substrate.
Transparent ceramic materials
Transparency of ceramics refers to electromagnetic waves passing through the material within a particular electromagnetic frequency range. If electromagnetic waves within the infrared range can penetrate a sheet of ceramic, then the sheet is infrared-transparent ceramic. Pure aluminum-nitride ceramics, which are transparent and colorless crystals with good optical properties, can be used for heat-resistant coatings on high-temperature optical windows and fairings. Therefore, aluminum nitride The military uses ceramics in a variety of ways.

Applications of Aluminum Nitride in Machinery Industry
Aluminum nitride can be used to make wear-resistant components. Due to its high price, aluminum nitride can only replace severely worn parts. The oxidation and wear resistance of some metal or nonmetal surfaces can be improved by coating them with aluminum nitride. Aluminum nitride coatings can be used for anti-corrosion purposes, including the linings in containers and processing equipment that are corrosive.
Aluminum nitride high-temperature structure material
Aluminum nitride exhibits good corrosion resistance in ceramics both at high and low temperatures. Only at 2450degC will it decompose. As a high-temperature material, it can be used in crucibles and molds. Aluminum nitride can resist dissolution and is not affected by copper, aluminium, silver or other substances. It is also resistant to high temperatures. It can be used as a container, high-temperature protection layer and thermocouple protector tubes. For high-end semiconductor equipment like aluminum nitride electrostatic chucks, corrosive gases are used. Aluminum nitride, which is stable for molten sodium salts like gallium arsenide can be used instead of glass in order to synthesize high-purity semiconductors.
Aluminum Nitride Composite
Epoxy/aluminum Nitride Composite Material: As packaging material, this material needs to be able to dissipate heat and have good thermal properties. This requirement is getting more and more stringent. The epoxy resin has good mechanical and chemical stability. It is also easy to cure. However, it has a low thermal conductivity. Nano aluminum nitride, a powder with high thermal conductivity, can be added to epoxy resin in order to improve its thermal conductivity.
Titanium Nitride is used to create N/AlN composite materials. Titanium Nitride has excellent properties including high melting temperature, high hardness and electrical and thermal conductivity on the same scale as metal. It also exhibits corrosion resistance. A small amount titanium nitride added to the aluminum nitride matrix. According to conductive-percolation theory, when the amount of doping reaches certain thresholds, a path of conductivity is formed in crystal. This allows the volume resistance of aluminum nitride to be reduced by 24 orders of magnitude. Moreover, composite ceramic materials made from these two materials are characterized by high hardness, wear resistance and can also serve as high-grade materials for abrasives.

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The Property And Application of Aluminum Nitride

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Aluminum nitride Aluminum nitride is a powder that is either white or offwhite.

What property does aluminum nitride have?

AlN has a stabilizing range of up to 2200. The strength at room temperatures is very high and increases and decreases gradually with temperature. Aluminum nitride, with its low thermal expansion and good thermal conductivity, is an excellent material for thermal shock. It has a high resistance to molten-metal corrosion, making it an ideal material for casting pure aluminum, iron or aluminum alloy.
Aluminum nitride also has excellent dielectric properties. It is also promising for use as an electrical component. The aluminum nitride layer on the gallium arsenide surface can protect it against ion implantation during annealing. Aluminum nitride also acts as a catalyst for the transformation of hexagonal boron to cubic boron.

What are the applications of aluminum nitride?

Aluminum nitride has many uses in optoelectronics. It is used as a dielectric in optical storage interfaces and electronic substrates, as a chip carrier that has high thermal conductivity for military purposes, and also as a chip carrier.

A surface acoustic detector also uses epitaxial stretching due to the piezoelectric effects of aluminum. The detector sits on a silicon chip, but there are only a handful of places that can produce these thin films reliably.

Aluminium nitride is a ceramic material with a low expansion coefficient and high thermal conductivity. It can be used as a heat exchanger for high-temperature structural parts. It can also be used to make heat exchangers for high-temperature structural components.

Aluminum nitride can resist the corrosion of metals, alloys, and iron, such as aluminum and iron. It can also be used to melt metals, such as Al. Cu. Ag. Pb.

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The Properties And Application of Aluminum nitride

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What is Aluminium nitride?
Aluminum nitride (AIN) is a covalent-bond compound. It is a white or off-white atomic crystal. AlN can stabilize up to 2200. The strength of AlN at room temperatures is very high. It decreases gradually with increasing temperature. It is good for thermal shocks due to its good thermal conductivity. It is a good crucible material to melt and cast pure iron, aluminum and aluminum alloys. Aluminum nitride also has excellent dielectric properties. It is also a promising material for electrical components. Aluminum nitride can be applied to the surface of gallium-arsenide in order to protect it against ion implantation during annealing. Aluminum nitride also acts as a catalyst for the transformation of hexagonal boron to cubic boron. At room temperatures, it reacts very slowly with water. The product can be synthesized by combining aluminum powder with ammonia and nitrogen at 8001000. The product is a white to grayish-blue powder. If the Al2O3 system is used at 16001750 and the product is white powder, then this method will work.
Aluminum nitride application:

A surface acoustic-wave detector also uses epitaxial stretching due to the piezoelectric effects of aluminum Nitride. The detector will then be mounted on the silicon wafer. The thin film can only be manufactured reliably in very few places.

Aluminium nitride is a ceramic material with a low expansion coefficient, good thermal conductivity, and withstands high temperatures. It can also be used to make heat exchangers for high-temperature structural components.

Aluminum nitride can resist the corrosion of metals, alloys, and iron, such as aluminum and iron. It can also be used to melt metals, such as Al. Cu. Ag. Pb.

Aluminum Nitride is widely used as a semiconductor electronic package due to its excellent properties in terms of electrical, mechanical and thermal properties.

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Let me introduce you to aluminum nitride

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Aluminum Nitride: Overview Aluminum nitride (Aluminum Nitride) is a non-toxic crystal that belongs to the hexagonal system.
How to make aluminum nitride
The carbothermic reduction technique involves heat treating aluminum oxide, or aluminum hydroxide between 1400-1800degC with nitrogen or ammonia and carbon as a reductant.
What are the uses of aluminum nitride
In the present, most research is aimed at developing a light-emitting device based on a semiconductor (gallium oxide or alloy aluminum gallium oxide) that operates under ultraviolet light and has a wavelength of 250 nanometers. Aluminum nitride has many uses in optoelectronics. It is used as a dielectric in optical storage interfaces, electronic substrates, chip carriers with high thermal conductivity and even for military purposes.
A surface acoustic-wave detector also uses epitaxial stretching due to the piezoelectric effects of aluminum Nitride. The detector will then be mounted on a silicon-based wafer. The thin film can only be manufactured reliably in very few places.
It has good thermal conductivity and a low expansion coefficient. It can also be used to make heat exchangers for high-temperature structural components.
Aluminum nitride can resist corrosion to iron, aluminum, and other metals. It can also be used as a casting mold for melting metals including Al, Cu Ag and Pb.

How to package and ship aluminum nitride flakes
You can also find out more about P ACKAGE
Vacuum packaging is used for powder packaging. There are 4 general specifications: 100g, 500g, 1kg/bag and 25kg/barrel. You can package it according to your specific needs.

Rapid inactivation SARS-CoV-2 using silicon nitride and copper and aluminum nitride
Silicon nitride has successfully inactivated SARS CoV-2. The surface release of disinfectants that contain nitrogen is the mechanism. Copper and aluminum nitride are both effective at inactivating viruses. Although the first compound affects the cells, the second compound has a toxic effect. It is necessary to conduct further research to confirm these findings, and to investigate whether silicon-nitride may be incorporated in personal protective gear and on surfaces that are frequently touched as a way to inhibit virus persistence and disease spread.

China’s sensor industry will benefit from aluminum nitride ceramic substrate
In microelectronics the smaller the size of an integrated circuit is, the better it performs. The Internet of Things is also deployed when the sensor size of the system is smaller. It is easier to use and performs better. The hardware requirements for this are also higher. Its core is the chip sensor. Currently, China has a small number of large-scale manufacturers, mostly medium-sized ones. Chip materials consist primarily of FR-4 substrates or aluminum substrates. Aluminum nitride-ceramic substrates were used extensively in developed countries. Aluminum nitride Ceramic Substrates have a higher thermal conductivity and a greater insulation capacity. Sensor manufacturers from around the globe have made them their jewel.

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Study on nano aluminum nitride in thermal conductive plastics

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What is aluminum Nitride? Aluminum nitride AIN crystal exhibits a wurtzite structure and is a hexagonal system that contains a tetrahedral-covalent bond compound. Chemical composition AI 65.81% and N 34.19%. Specific gravity 3.261g/cm3, single crystal colorless transparent. Sublimation temperature is 2450 under atmospheric tension. It is a heat and high temperature resistant material. Aluminum nitride can resist molten aluminium, other molten metallics and gallium arsenide.
Aluminum Nitride Performance Index
(1) The thermal conductivity is high (about 320W/m*K), which is close to SiC. It is more than 5x higher than Al2O3
(2) Matching the thermal expansion coefficient (4.5×10-6), Si (3.54×10-6), and GaAs (6×10-6).
(3) various electrical properties (dielectric constant, dielectric loss, body resistivity, dielectric strength) excellent;
(4) The mechanical properties of BeO and Al2O3 ceramics are superior to their flexural strength. They can also be atmospheric sintered.
(5) Good optical transmission properties;
(6) non-toxic.

Application to nano aluminum nitride within thermal conductive materials
1, Thermal conductive Silica Gel and Thermal Conductive Epoxy resin
Nano AlN composite silica Gel with high thermal conductivity is extremely efficient. It has excellent thermal conductivity, good insulation, low consistency, and good construction performance. These products can replace or exceed imported products and are used extensively in electronic devices heat transfer medium to improve work efficiency. For example, CPU and radiator filling gap. High power transistor, silicon-controlled components, diodes, as well as substrate in contact of the thin seam heat exchange medium. To improve heat dissipation effects, nano thermal paste fills the gap between IC and heat sink.

2, thermal conductive plastics application:
Powders of nano aluminum nitride can significantly improve the thermal conductivity. By adding the experimental product to plastic in a 5-10% ratio, the plastic’s thermal conductivity can be increased from 0.33 to 5. Thermal conductivity rose by 16 times. The thermal conductivity additive on the market today has more advantages than this one. It can be used to improve the mechanical properties and the thermal conductivity effect, as well as reduce the amount of thermal conductivity filler. Current nano aluminum Nitride powders have been purchased by relevant manufacturers on a large scale. Then, new nano thermally conductive plastics will go on the market.

3. Other areas of application:
Nano aluminum is used for smelting nonferrous metal and semiconductor galium arsenide.

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What is Aluminum Nitride?

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What is it? Aluminum Nitride ? Aluminum nitride or covalent bond compounds, chemical formula is AIN, is an atomic structure that is non-toxic, white, or off-white.
Aluminum Nitride has the following main characteristics
AlN can be stored at temperatures up to 2200°C. The strength of AlN at room temperature is very high. With increasing temperatures, it decreases slowly. It is an excellent thermal shock material because it has a high thermal conductivity with a small thermal expansion coefficient. It is resistant to molten steel corrosion and makes a great crucible material to cast pure iron, aluminum or an aluminum alloy. Aluminum nitride, which is an excellent electrical insulator due to its good dielectric properties, is also promising as an electric component. The gallium arsenide coating with aluminum nitride protects it against ionization during annealing. Aluminum nitride also acts as a catalyst in the conversion of hexagonal to cubic boron nutride. At room temperature it reacts slowly with liquid water. Aluminum powder can be made in nitrogen atmosphere or ammonia at 8001000. It is white to gray-blue and can be used as a catalyst. It can also be produced by reaction of Al2O3C–N2 system at 16001750. The product is off-white. Or by the vapor phase reaction of aluminum chloride with ammonia. The vapor phase deposition method for AlCl3/NH3 can produce the coating.
Aluminum Nitride Properties
Other Titles Aluminium nitride
No. 24304-00-5
Combination Formula AlN
Molecular Weight 40.9882
Appearance White powder to pale yellow powder
Melting Point 2200 degC
Boiling Point 2517 degC (dec.)
Density 2.9 to 33% g/cm3
Solubility of H2O N/A
Electrical Resistivity 10 to 12 10x 10x O.m
Poisson’s Ratio 0.21 to $0.31
Specific heat 780 J/kg-K
Thermal Conductivity 80-200 W/mK
Thermal Expansion 4.2 to 5.4 um/mK
Young’s Modulus 330 GPa
Exact 40.9846
Monoisotopic 40.9846
AlN powder CAS 24304 00-5
Aluminum Niitride
The majority of current research is on developing a semiconductor-based light emitting device (gallium nutride or alloy aluminum gallium nanonitride) that can operate in ultraviolet light with a wavelength up to 250 nanometers. An inefficient diode can emit light up to 210nm [1] as reported in May 2006. An aluminum nitride single crystal has an energy difference of 6.2eV, measured by the reflection of UV rays. The energy gap is theoretically large enough to allow some waves with wavelengths of around 200 nanometers to pass through. However, commercial implementation presents many challenges. Aluminum nitride has many uses in optoelectronics. This includes as dielectric layers for optical storage interfaces and electronic substrates. Also, it is used as chip carriers with high thermal conductivity and in military applications.
The properties of the aluminum nitride piezoelectric effect make epitaxial stretching aluminum nitride crystallines a good choice for surface acoustic-wave detectors. The detectors can be placed on silicon wafers. It is difficult to produce thin films reliably in these locations.
Aluminum nitride clays can be used for heat exchangers and high-temperature structural parts.
It can be used to resist corrosion properties of aluminum, iron, and alloys.
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Advantages of Aluminum Nitride Powder

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Aluminum nitride It is an aluminium solid nitride that has excellent thermal and electric conductivity. It has an excellent band gap of 6 eV at room temperatures, making it a promising phase for optoelectronics. Below are some examples of its properties and their applications.

Very high thermal conductivity

Aluminum nitride is one of the newest materials in technical ceramics. It was originally discovered nearly a century back, but it is only now that it can be made into a viable commercial material. It can be used to make composite materials, and it is especially good at improving mechanical properties.
A material’s thermal conductivity refers to its ability to heat transfer when exposed to temperature variations. Reticulular vibrations are also called phonons and aluminum nitride is capable of carrying heat. This property is common in materials with covalent bonds and low atomic mass. There are many factors that affect thermal conductivity. These include temperature, impurities and even the presence of heat.

Aluminium nitride exhibits high thermal and electric conductivity making it an attractive material for electronics. Thermal conductivity for polycrystalline AlN ceramics is between 17 and 285 W/mK. It is the process of sintering that determines the difference between single-crystalline and multicrystalline ceramics. This is what determines the material’s microstructure as well as its conduction mechanism.

AlN can also be machined to create complex shapes. AlN’s high thermal conductivity is not only impressive, but it also has exceptional heat radiation and electric insulation. AlN can be machined to complex shapes, making it suitable for high-power electronic applications.

Microelectronics uses aluminum nitride as a standard material. The material’s excellent thermal conductivity makes them a perfect medium to heat sinks or electrical insulators. The material can be used in silicon-based products because it does not react with many chemicals or gases.

Aluminum nitride (or aluminum nitride) is an innovative ceramic that has excellent electrical and thermal properties. The cost of aluminum Nitride is quite high so domestic production remains a problem. However, scientists are trying to resolve this problem. These developments could lead to aluminum nitride being a viable option for high-end semiconductor packaging.

It is the heat transfer rate between two materials. Thermal conductivity is the rate at which heat transfers between two materials. A single crystal has higher thermal resistance than one with lower thermal conductivity. This is an important property in a semiconductor. It should be considered when designing a material for a particular application.

Electric insulator strong

Aluminum nitride exhibits excellent thermal conductivity as well as electrical insulation, which makes it ideal for high-powered electronic applications. This metal is a good choice for power electronics because of its similar mechanical and electrical characteristics to silicon. You can use it for microwave tubes or hybrid circuits. It is capable of being fabricated in complex geometries with no loss of electrical insulation.

Aluminum Nitride is a good material for high-frequency electronics as well as high-voltage devices. The semiconductor industry uses aluminum nitride as a substitute for Beryllium Oxide due to its low thermal expansion. Additionally, the material is safe to machine and it matches silicon wafers in CTE. It’s a good choice for high-temperature electronics.

AlN offers excellent electrical insulation with a low constant dielectric, which makes it an ideal material for various electronic applications. Additionally, AlN’s surface can be metallized in order to create thin films. These are great for electronics circuits, wiring bonding, and more.

Another advantage of aluminum nitride’s stability at very high temperatures is its ability to withstand extreme heat. However, at 700°C it will oxidize and form a layer of aluminum oxide. Although it is very stable in the carbon dioxide and hydrogen atmospheres, it does not dissolve quickly in water. Aluminum nitride’s low electrical conductivity makes it a popular choice for electronics.

F. Briegleb & A. Geuther first synthesized aluminum nitride 1862. Aluminium nitride is superconductive under high pressures despite having a low density. This material also exhibits excellent thermal conductivity. These properties make it a popular choice for semiconductor devices.

Resistance to molten metallics

An aluminum nitride ceramic compound is resistant to thermal shock and abrasion. You can use it in many applications to prevent metals from corrosion and abrasion. It has particles sizes between 0.2 micrometers and 5 micrometers. The general rule of thumb is that a higher content will give you better resistance to abrasion.

Aluminum nitride belongs to the hexagonal-crystalline system and is a covalent bonds compound. It can be gray or off white in color, and it is great for insulation materials. Aluminum liquid cannot penetrate it because of its high thermal conductivity. Aluminium nitride, however, has a low thermal conductivity as well as oxidation resistance. Additionally, it is susceptible to absorb moisture and undergo hydrolysis. Additionally, the temperature at which it can decompose is 2516° Celsius. However, aluminum nitride can be used as a metal of high quality that is resistant to corrosion and heat.

Aluminum nitride can be used to make stronger structural materials than alumina. Additionally, it has high hardness as well as abrasion resistance. But, it has lower mechanical strength than alumina and higher thermal shock resistance. It is not recommended for use in composites because of this.

The material also has good melting resistance and adhesion. Aluminium nitride makes a great choice for applications involving molten steel. This metal can be used to make molten members. To avoid burst, however, the member must exhibit good adhesion.

Protective coatings for foundries can be made from aluminum nitride. It’s inexpensive and straightforward to make. It also resists corrosion. But, it may not completely resist molten aluminium. Additives may affect its ability to resist molten metals.

Aluminium nitride, in addition to being resistant to molten metallics has good adhesion properties and melt loss resistance. Aluminium nitride offers better adhesion and resistance to heat shock than aluminum oxide. Aluminum oxide has a tendency to fracture and crack. Additionally, the aluminum oxide has a weight of 90 wt. % of Boron

The product sintered was evaluated for resistance to thermal shock, melting loss, adhesion and molten steel. For ten minutes, the test item was placed in molten iron and was removed. A 4-point bending test was used to measure the adhesion.

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Good heat impact resistant material Aluminum Nitride

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How does Aluminum Nitride play a role in the world? The main applications aluminum nitride Powder: Thermal conductive filler, for thermal conductive paste or thermal conductive grease. The aluminum nitride has many uses in photoelectric technology, such as in the optical storage interface, which can serve as an electron substrate and electric induction layer. Because of its piezoelectric effects, epitaxial extensions of aluminum nitride crystallines are also useful in detecting surface acoustic signals. On a silicon wafer, the detector is placed. This thin film can be produced only in a few locations. High room temperatures, high temperature strength and low thermal conductivity make aluminum nitride clays ideal for high-temperature structures of heat exchangers. Use aluminum ceramics or their dissolution properties as casting materials can be made of Al, Cu Ag, Pb, and other metals.
What are the characteristics of aluminum nitride
AlN It can stabilize up to 2,200. It is sensitive to room temperatures and has a high intensity. However, the intensity drops slowly as temperature increases. Good heat resistance materials have a high thermal conductivity. They also have a very low thermal expansion coefficient. The crucible material is ideal for making pure iron, aluminium, and alloys. It has a low rate of molten metallic erosion. Aluminium nitride can also be used to make an electrical component. Aluminum nitride protects gallium arsenide from ion injections during annealing by coating it with aluminum nitride. The aluminum nitride also acts as a catalyst for the conversion of hexagonal to cubic boron nutride. Slow reaction at room temperature with water. You can make this from aluminum powder at 800 to 1000 in an ammonia- or nitrogen atmosphere. The product will be white to gray-blue and it is easily synthesized. You can make it from aluminum powder at 800 to 1000 in ammonia or nitrogen atmosphere. It is then distilled into a gray-white powder using the Al2O3C-N2 process, which takes place between 1600 and 1750. Aluminum chloride, ammonia can be produced by gas phase reaction. Vapor deposition can be used to synthesize the coating with the AlCl3/NH3 system.

Aluminum Nitride prices
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Application of aluminum nitride ceramic materials

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What is aluminum nitride? ? Aluminum nitride This atomic crystal is a diamond-like Nitride, hexagonal crystal system, wurtzite crystal structure. It is non-toxic, safe for children, and can be white or off-white. Aluminum nitride has a high thermal shock value.
The miniaturization and advancement of electronic products has led to electronic circuits and systems that are capable of high integration density and high functionality. Electronic parts have increasingly stringent requirements for their carrier substrate. The breakthrough in high thermal conductivity has been achieved through high integration and miniaturization. It is becoming increasingly difficult for traditional alumina ceramic sub-substrates to meet these development requirements. Aluminum nitride, which has excellent chemical and physical properties, has slowly become the most popular choice in packaging materials.

Attenuation material for microwaves made of aluminum nitride
Microwave attenuation research and applications have gradually spread from military purposes to everyday life. Its purpose is to convert microwave energy to heat energy by the physical mechanism called polarization. The material also exchanges heat energy to the environment via the material, which is being used more frequently in high-power microwave vacuum devices.
AlN has low dielectric losses. AlN is suitable for use as a microwave absorber material. To make Al N-based microwave attenuating clays, it is often combined with metals or ceramics having good electrical and/or thermal conductivity. Current research includes carbon nanotubes, TiB2, and TiC as well as metals such Mo, W, or Cu as conductive additives.
Aluminum nitride, heat-resistant material
Aluminum nitride does not wet with aluminum, calcium and other metals. This makes it ideal for use as a crucible or protective tube, casting mould, mold, etc. Aluminum nitride ceramics may be used in the protection tube for immersion thermocouple. It is able to be used in the molten pools at 8001000 for up to 3000 hours and it will not corrode. destroy. Because aluminum nitride materials can withstand molten salt gallium senide and other substances, the crucible can now be replaced by glass to synthesize gallium senide semiconductors. This allows for complete elimination of silicon pollution and high-purity Gallium arsenide.
Aluminum nitride clays have a high strength at room temperatures and are resistant to temperature changes. They have high thermal conductivity, low thermal expansion coefficients and a relatively high thermal conductivity. It is both a heat-resistant and heat transfer material. It can be used to heat exchangers in gas turbines. Materials that are heat resistant and heat exchange.
AlN ceramic materials are versatile and have many potential markets. They can be used in electronic, electric power, locomotives and aviation.
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