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Nano zinc oxide is a new type of multifunctional fine inorganic material. Due to the small particle size, the nano-zinc oxide powder produces surface effects, small size effects, quantum effects and macro-quantum tunneling effects that the bulk material does not have, and exhibits many special properties. Such as non-toxic, non-migration, Fluorescence, piezoelectricity, antibacterial deodorization...
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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, and the performance of β type is better than that of α type. Type β has ...
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The beta silicon carbide whiskers produced by SAT NANO are needle-shaped cubic crystals. As an atomic crystal, it has low density, high melting point, high strength, high modulus, low thermal expansion rate, and excellent properties such as wear resistance, corrosion resistance, high temperature resistance, and oxidation resistance. It is mainly used for metal substrates and ceramic substrates. , ...
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As a new material of the technological revolution, ceramic materials have attracted the attention of some developed countries as early as more than ten years ago. The fatal shortcomings of ceramic materials are its brittleness, low reliability and low repeatability. These shortcomings have seriously affected the application range of ceramic materials. Only by improving the fracture toughness of ce...
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Chemical modification and dispersion is to use the surface groups of nanoparticles to form chemical bonds with reactive organic compounds. The nanoparticles are soluble in organic media due to the branched chains or groups of organic compounds on the surface. dispersion in. There are usually two ways of chemical modification: one is to use the end groups of macromolecules to chemically react with ...
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Nanoparticles have a special surface structure, which lacks adjacent coordinating atoms on the surface, and has high activity, so it is easy to agglomerate. Due to the strong self-absorption property among nanomaterial particles, the agglomeration of nanoparticles is inevitable. Aggregates can be divided into two types: hard agglomerates and soft agglomerates. The formation process of agglomerates...
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Transmission Electron Microscope (TEM) Transmission electron microscopy uses an electron beam that penetrates a sample to image, which requires the sample being observed to be "transparent" to the incident electron beam. Transmission electron microscopy is widely used in materials science and biology. Since electrons are easily scattered or absorbed by objects, the penetration is low, and the dens...
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In summer, the sun is strong, and the sunlight enters the room through the glass, causing the temperature in the car to rise sharply, which seriously affects the comfort of living and vehicle riding. Among them, the energy in the infrared band accounts for the largest proportion, and it is also the main source of energy for the temperature increase in the place where the sunlight is irradiated. By...
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Glass thermal insulation coating is a kind of coating prepared by one or more nano powder materials. The nano materials used have special optical properties, that is, they have high blocking rate in the infrared region and ultraviolet region. , has a high transmittance in the visible region. Using the transparent and heat-insulating properties of the material, it is mixed with an environmentally f...
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In the process of powder storage, transportation and use, it is often hoped that the nano-aluminum powder exhibits low activity and is less affected by external environmental factors (temperature, humidity, etc.), so that the product has stable performance for a long time. On the other hand, it is desirable to exhibit high activity in solid rocket propellants to obtain high energy release rate and...
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1 Modified high-strength new material Nano SiC powder particles have good compatibility in polymer composite materials, good dispersion and good basic bonding, the tensile strength of modified high-strength nylon alloy is more than 100% higher than that of ordinary PA6, and the wear resistance is improved by more than 2.5 times. Users have responded well. It is mainly used for polymer parts of arm...
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The application in plastics utilizes the high strength, high fluidity and small size effect of silica, which can improve the compactness, smoothness and wear resistance of plastic products. Through appropriate surface modification, the purpose of strengthening and toughening plastics can be achieved at the same time. By adding fumed silica into polyethylene, through a special method, the silica ca...
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