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Boron carbide has a high neutron absorption capacity. The neutron capture cross-section is high and the capture energy spectrum is wide. The thermal cross-section of 10B is as high as 347 × 10-24 cm2, second only to a few elements such as gadolinium, samarium, and cadmium. At the same time, compared with pure elements B and Gd, B4C is low in cost, does not produce radioisotopes, has low secondary ...
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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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Nano oxides have many unique properties and have been widely used in textile fields such as antibacterial, deodorant, and ultraviolet protection. Similarly, nano-oxides have a positive effect on anti-wrinkle finishing. Nano-titanium dioxide or nano-silica is added to the traditional system to form nano-oxide anti-wrinkle finishing liquid through high-speed shearing, so that the fabric has anti-wri...
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Aluminum nitride powder has high purity, uniform particle size, high surface activity, and the effect of insulation and thermal conductivity is very obvious. The powder can be applied to engineering plastics to improve the performance and mechanical strength of engineering plastics, and has good injection molding performance. Used in composite materials, it has good matching with semiconductor sil...
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What is a thermally conductive gel? Thermally conductive gel: It has some advantages of thermally conductive silicone sheet and thermally conductive silicone grease, while making up for some of the weaknesses of the two; strong plasticity, can fill uneven interfaces. What are the advantages of thermal gel? 1. Efficient thermal conductivity; 2. Low compressive force application and low stress; 3. H...
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Alumina powder can be used in abrasives, ceramics, medicine, cosmetics, aerospace, thermal media, etc. Today the editor will talk about a very small class of alumina applications: thermally conductive alumina powder for electronic potting adhesives in thermally conductive media. First of all, electronic encapsulants are mainly divided into three categories: silicone encapsulants, epoxy encapsulant...
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By mixing a small amount of nano silica into concrete, ultra-high strength and ultra-high durability concrete can be easily prepared. At present, a large number of research results have proved that nano SiO2 has a good modification effect on cement. The cement paste doped with nano silica has reduced fluidity, shortened setting time, and significantly improved early strength. Nano-doped nano silic...
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1) Characteristics of aluminum powder, Aluminum is a silver-gray metal, which is relatively divided and suitable for pigment aluminum powder. Aluminum powder paste is a mixture of pigment aluminum powder and solvent. Its uses and characteristics are roughly the same as aluminum powder. Due to the mass of 26.98, the relative density of 2.55, the purity of 99.5%, the melting point of aluminum is 685...
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The role of metals aluminum in refractory materials: Plastic phase forming: The metal lattice will slip under the action of stress, which has plastic characteristics. Compared with the hard inorganic material particles, it will play the plastic forming characteristics during the forming process, so that the same The density of the green body prepared under the forming pressure is higher than that ...
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Flake aluminum powder is also known as aluminum powder pigment. Aluminum powder pigment is one of the important metal pigments. It is a high-purity (99.3%~99.97%) metal aluminum as raw material, which is produced by wet ball milling process. Compared with other pigments, aluminum powder pigments have their unique performance characteristics. Characteristics of flake aluminum powder 1) Covering cha...
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Application of flake aluminum powder 1) Industrial coatings The industrial coatings market includes the following areas: can coatings, coil coatings, general industrial coatings, marine coatings, powder coatings, anti-corrosion coatings, roof coatings, etc. The three types of coatings with the largest amount of aluminum powder pigments are: roof coatings (increasing aesthetics, extending the...
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Because of its low density, good oxidation resistance, high temperature resistance and corrosion resistance, silicon carbide has promoted the development of silicon carbide in the field of brake pads. Silicon carbide composite material is a material that can meet the high temperature of 1650-1700 ℃. Adding silicon carbide powder in the production of brake pads can more effectively improve the stab...
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