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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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Silicon carbide whiskers are cubic whiskers and belong to the same crystal type as diamond. It is the whisker product with the highest hardness, the highest modulus, the highest tensile strength, and the highest heat-resistant temperature among the whiskers that have been synthesized. There are two forms of α type and β type, among which β type has better performance than α type. Type β has higher...
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Nanomaterials refer to materials in which at least one dimension in the three-dimensional space is in the nanoscale range or is composed of them as basic units. Nano-gold is a kind of nano-materials, which are nano-sized particles of gold, with a diameter generally between 1-100 nm. Nano gold has very special optical properties, which are mainly manifested in two aspects of light absorption and sc...
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The field of biomedicine is a brand-new research field formed by integrating the methods and theories of medicine, biology and other related disciplines. Its research content includes biomedicine, clinical applied chemistry, cytology and immunology. With the rapid development of technology, cutting-edge research and inventions in many popular fields play an important role in the field of biomedici...
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1. Titanium carbide tool materials AL2O3-TIC ceramics is the earliest development of composite ceramic tool system. Hard particles of nano-titanium carbide with a mass fraction of 15-40% are dispersed in the matrix, which not only improves the hardness of the material, but also improves the fracture toughness of the material. The cutting performance of the composite AL2O3-TIC ceramic tool is much ...
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1. As a sensor material Nano TIO2 can be used not only for humidity and pressure sensitive components, but also as a sensor material to detect a variety of gases. For example, TIO2 can detect flammable gases such as H2, CO, and O2, and is especially used as an automobile exhaust sensor. By measuring the oxygen content in automobile exhaust, it can control the efficiency of automobile engines. 2. T...
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Precious metals refer to some rare and expensive metal materials, such as silver, gold, ruthenium, rhodium, palladium, platinum, iridium and other expensive metals. Nanomaterials refer to materials at the nanometer level on one-dimensional or multi-dimensional scales, such as nanowires and nanoparticles. Noble metal nanoparticles are nanomaterials composed of these noble metals, such as gold nanop...
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Black silicon carbide is made of quartz sand, petroleum coke and high-quality silica as the main raw materials, and is smelted at high temperature in a resistance furnace. The raw materials used in the manufacture of green silicon carbide, such as black silicon carbide, are roughly the same, and industrial salt is added as a reactant and accelerator to react in a resistance furnace. In terms of it...
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At present, the world vigorously advocates green and sustainable development, and nano-titanium dioxide is an excellent inorganic fine chemical material. Nano-titanium dioxide has broad prospects in the application and development of pulping and papermaking and functional paper due to its functions of sterilization and disinfection, high-efficiency self-cleaning, photocatalytic energy, and wastewa...
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As a key member of non-metallic materials, ceramic materials have a large number of attractive properties, such as good mechanical and electrochemical properties, low thermal conductivity, dense and uniform structure, wear resistance and corrosion resistance, etc. The high specific stiffness, high specific strength and chemical inertness of ceramic materials in complex environments, and the low de...
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With human beings, there are wars against viruses and bacteria. Although every time we end up with human victory, we have paid a heavy price. At present, the common PM2.5 masks on the market can only filter the particles with a diameter of 2.5 microns in the air, while the N95 mask can block 95% of the particles with a diameter of 2.5 microns in the air. At present, it is from Sars, influenza, Ebo...
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Nano ATO is a wide-bandgap n-type semiconductor material with non-resistive transparent conductivity. Due to its high conductivity, high visible light transmittance, and excellent mechanical and chemical stability, it is widely used in display devices, transparent electrodes for photoelectric conversion, solar cells, transparent heat insulation films, antistatic coatings and other fields. It is a ...
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