Aluminum silicon carbide carbon brick is a refractory brick with silicon carbide as the main raw material. It is made of high-purity silicon carbide powder and high-activity silicon carbide mixed at a differential speed. After grouting, it is recrystallized under high temperature and vacuum. Aluminum silicon carbide carbon bricks have high thermal conductivity, good wear resistance, good thermal s...
Boron flame retardant refers to a kind of flame retardant containing boron element in the molecule. Zinc borate is the most widely used. It has good thermal stability and generally does not need surface treatment. It is often used in combination with self-series flame retardants. During combustion, gaseous boron halide and zinc halide are generated, and crystalline water is released. A glass-like...
Chromium-free passivation solution for magnesium alloy is a compound. Chromate passivation is the most widely used passivation technology for magnesium alloys, but the traditional chromate passivation has the fatal weakness of high toxicity. Therefore, it is of great economic and social significance to study the chromium-free passivation technology with excellent performance and environmental frie...
Tin-based solder is mainly composed of two elements of tin and lead, and a series of tin-lead solder alloys are formed by adding a small amount of other alloying elements. It has low melting point, low resistivity and good corrosion resistance. The wettability of tin-lead solder with a tin content of more than 50% is mainly used in electrical, electronic industries, tableware products, etc., and t...
The molecular formula of the lanthanum titanate target is LaTiO3, and the target products are used in various fields of vacuum coating by various methods (magnetron sputtering, vacuum plating, etc.): scientific research, aerospace, automotive, microelectronics, integrated circuits Industry, light source, optics, decoration, flat panel display industry, information storage industry, data storage, e...
Nano-bismuth oxide powder is an important functional material, which mainly exists in four crystal forms of α, β, γ and δ. Different crystal forms have different applications. Bismuth oxide is widely used. It is not only a good organic synthesis catalyst, ceramic colorant, plastic flame retardant, medicinal astringent, glass additive, high refractive glass and nuclear engineering glass manufacturi...
Nickel-vanadium alloy target is in the process of preparing nickel-vanadium alloy target, adding vanadium to nickel melt, so that the prepared alloy is more conducive to magnetron sputtering, combining nickel sputtering target and vanadium sputtering target The advantages of sputtering nickel layer (adhesion layer) and vanadium layer (barrier layer) can be completed at one time. Nickel-vanadium al...
Gallium-indium alloy is an emerging hot material at present. It is a eutectic alloy formed by melting gallium metal and metal at high temperature. It is a highly conductive liquid metal. Gallium-indium alloy is liquid at room temperature. The ratio of gallium indium alloy can be customized, and it is produced under the protection of nitrogen to prevent oxidation and pollution. Conventional gallium...
Zinc oxide (ZnO) single crystal is a multifunctional crystal material with applications in semiconductor, luminescence, piezoelectricity, electro-optic, etc. It has a wurtzite structure, the band gap at room temperature is 3.4eV, and the exciton binding energy is as high as 60MeV. Its luminous wavelength is shorter than the blue light wavelength of GaN, which can further increase the density of op...
Nickel-magnesium alloy is an intermediate alloy (binary alloy) obtained by high-temperature melting of metal nickel and metal magnesium, and the magnesium content is 15-50%. For nickel-magnesium alloys, since the melting point of nickel is 1452°C and the melting point of magnesium is 650°C, and metal magnesium also has the characteristics of high vapor pressure and no induction, the actual product...
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