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The granular shape of titanium powder includes spherical, polygonal, sponge, and flake shapes. The granular shape is related to the method of preparing titanium powder. The requirements for titanium powder generally include three aspects, namely purity, particle size and granular shape. Titanium powder is divided into 4 grades. The size of 1000-50um is coarse powder, 50-10um is fine powder, 10-0.u...
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Although carbon nanotubes have unique mechanical, electrical, and thermal properties, due to the strong van der Waals force and π-π interaction between carbon nanotubes, they are also easily agglomerated, and carbon nanotubes are modified or function Transformation is the main means to solve these problems. According to the existing research results, the functional modification of carbon nanotubes...
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product description: The silver nanowires are dark gray or light gray and can be evenly dispersed in different solvents as a colloidal suspension. The diameter ranges from a dozen nanometers to hundreds of nanometers, and the length can reach tens of micrometers, all of which can be adjusted. This product can be further formulated into a transparent conductive coating liquid (or transparent conduc...
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Boron carbide chemical formula B4C. Glossy black crystals with a relative density of 2.52, a melting point of 2350 ° C, and a boiling point above 3500 ° C. Chemically stable, insoluble in water and various acids, soluble in molten alkali. Harder than diamond but higher than silicon carbide, Mohs hardness is 9.3. High thermal neutron capture ability, wear resistance, and semiconductor conductivity....
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Nano-zero-valent iron (nZVI) nanopowder is an iron particle with a particle size between 1 and 100 nm. Its specific surface area and reactivity are much larger than ordinary iron filings and iron powder. It can be directly injected into the heavily polluted area of the water environment to form an efficient in-situ reaction zone, which can control water pollution flexibly, efficiently and at low c...
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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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ZrB2 ceramic materials have extremely high melting point, strength, hardness and electrical conductivity (and the temperature coefficient of conductivity is positive), as well as a low coefficient of thermal expansion. In addition, they have good chemical stability, flame retardancy, heat resistance, corrosion resistance and Lightweight and other special properties, so it is very widely used. 1.1 ...
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Titanium is a chemical element, chemical symbol Ti, atomic number 22, located in the fourth cycle of the chemical periodic table, group IVB. It is a silver-white transition metal characterized by light weight, high strength, metallic luster and resistance to wet chlorine gas. The most common compound of titanium is titanium dioxide, which can be used to make white pigments. In the past, people use...
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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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