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The aluminum nitride nanopowder has the characteristics of high specific surface area, high hardness, high thermal conductivity and high insulation. It is a diamond-like nitride, stable to 2200 ° C, high room temperature strength, good compatibility with the substrate interface, and can improve compounding. Thermal and dielectric properties, mechanical properties and wear resistance of the materia...
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New energy vehicles, communications and portable devices require lithium-ion batteries for high capacity and high endurance. Lithium-ion batteries urgently need to be updated to increase capacity, cycle and size. At present, the silicon-carbon negative electrode of lithium battery is all kinds of carbon materials mainly composed of graphite, and its theoretical capacity is only 372 mAh/g. In pract...
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Aluminum nitride (AlN) is a new type of ceramic material with excellent comprehensive properties. It has excellent thermal conductivity, reliable electrical insulation, low dielectric constant and dielectric loss, non-toxicity and thermal expansion coefficient matching with silicon. The excellent characteristics of the series are considered to be ideal materials for a new generation of high-concen...
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Silicon nitride Si3N4 is a non-oxide high temperature ceramic structural material. Powdered Si3N4 can be prepared by reacting a mixture of SiCl4 vapor and NH3 gas. Powdered Si3N4 is unstable to air and water. Powdered Si3N4 can form a pungent odor, a gas commonly used as a refrigerant and a poorly soluble acid when it is in contact with water. Powdered Si3N4 can generate N2 and contact with air. a...
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The purpose of surface modification of ultrafine powder is: 1. In order to improve or change the dispersibility of powder particles; 2. Improve durability, such as resistance, light resistance, heat resistance, weather resistance, etc.; 3. Improve particle surface activity; Adding new physical, chemical and mechanical properties and new functions to the surface of the particles to increase the add...
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The purpose of surface modification of ultrafine powder is: 1. In order to improve or change the dispersibility of powder particles; 2. Improve durability, such as resistance, light resistance, heat resistance, weather resistance, etc.; 3. Improve particle surface activity; Adding new physical, chemical and mechanical properties and new functions to the surface of the particles to increase the add...
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Silicon carbide whiskers are a kind of single-crystal fiber with a certain length-to-diameter ratio, which has very good high temperature resistance and high strength. It is mainly used in toughening applications where high temperature and high strength applications are required. Such as: aerospace materials, high-speed cutting tools. At present, it has a very high performance-price ratio. Silicon...
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Preparation method and introduction of nano silicon carbide powder infrared radiation coating 1.1 Ingredients Powder radiant mixture: 40 to 80 parts by weight of nano SiC (SiC) powder raw material, and zirconia (ZrO2) powder raw material 5 to 30 based on the weight fraction of (D50 is 40 nm, β phase) nano SiC powder raw material. 5 parts by weight or less of chromium oxide (Cr2O3) powder raw mater...
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Particle size D 0.1 ~ 2.5μm, length 10-50um, purity 99+, gray-green. Silicon carbide whisker is a kind of high-strength whisker-like (one-dimensional) single crystal with many excellent mechanical properties such as high strength and high modulus. Mainly used in ceramics, high-temperature components in the aerospace field, main strong bearing blocks, large mud pumps, etc. Physical characteristics:...
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Nano silica dispersion, silicon oxide dispersion is translucent liquid, mainly used in coatings, refractory materials, textile industry, etc., with water resistance, fire resistance, scrub resistance, stain resistance. After the nano-silica is dispersed into a liquid, the appearance varies from white milky to colorless and transparent according to different dispersion systems. After the nano-silic...
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Nano-scale silicon carbide has the following characteristics: 1. Its microhardness is 2840 ~ 3320kg / mm², its hardness is between corundum and diamond, and its mechanical strength is higher than corundum. 2. It has a strong ability to absorb infrared waves, can be used as infrared absorbing and transmitting materials, made into functional films or fibers, and can also be used for polishing and gr...
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1. Thermally conductive fillers commonly used in insulating polymers 1. Nitride filler and its application The nitride fillers are mainly aluminum nitride (AlN), boron nitride (BN) and silicon nitride (Si3N4), etc. due to their high thermal conductivity, good electrical insulation performance, excellent high temperature resistance and excellent dielectric properties, etc. Characteristics and widel...
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