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1. What is tungsten disulfide powder? Ultrafine WS2 powder is a new type of lubricating and anti-wear material with excellent lubricating properties and its dry friction factor is only 0.03. Tungsten disulfide is one of the best raw materials for friction lubrication in the scientific community. Under static conditions, its dry friction factor is 0.07. Under dynamic conditions, the dry friction fa...
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1. Application of ultrafine copper powder on MLCC internal electrodes Copper has the advantages of small resistivity, small electromigration speed, and low price. It is an ideal substitute for silver-palladium internal electrodes, but its chemical properties are more active. In the air, powdery copper with large specific surface area is easily Oxidation, the surface will form a film of Cu2O and Cu...
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1. Overview of ultrafine powder 1.1 Definition of ultrafine powder There is no completely consistent statement about the particle size boundaries of ultrafine powders. Due to the difference in the use, preparation method and technical level of ultrafine powders in various countries and industries, the particle size of ultrafine powders is divided. For example, the particle size of ultrafine powder...
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Since ultrafine powder has surface effect, small size effect, quantum effect and macroscopic quantum tunneling effect, it has many special properties in catalytic, optical, magnetic and mechanical properties compared with crystalline materials of the same composition. There are many important applications in the fields of medicine, microelectronics, and nuclear technology. "Plasma milling" refers ...
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The purpose of surface modification of ultrafine powder is: 1. In order to improve or change the dispersibility of powder particles; 2. Improve durability, such as resistance, light resistance, heat resistance, weather resistance, etc.; 3. Improve particle surface activity; Adding new physical, chemical and mechanical properties and new functions to the surface of the particles to increase the add...
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The purpose of surface modification of ultrafine powder is: 1. In order to improve or change the dispersibility of powder particles; 2. Improve durability, such as resistance, light resistance, heat resistance, weather resistance, etc.; 3. Improve particle surface activity; Adding new physical, chemical and mechanical properties and new functions to the surface of the particles to increase the add...
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The purpose of surface modification of ultrafine powder is: 1. In order to improve or change the dispersibility of powder particles; 2. Improve durability, such as resistance, light resistance, heat resistance, weather resistance, etc.; 3. Improve particle surface activity; Adding new physical, chemical and mechanical properties and new functions to the surface of the particles to increase the add...
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First, capsule modification Capsule modification is a surface modification method in which a film of a uniform thickness and a film having a certain thickness is coated on the surface of the powder particles. Rong et al. encapsulated TiO2 composite particles coated with Al2O3 and SiO2 with polystyrene, which effectively improved the absorbance and stability of the material. Zhu Liqun and other met...
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SAT NANO provides three types of environmental remediation iron powder (ultrafine iron powder, zero-valent iron, spherical porous iron powder) and one alloy powder (iron-nickel bimetal) for industrial wastewater treatment, groundwater remediation or soil remediation, etc. Meet the needs of different venues. What is zero valent iron? Zero-valent iron is a green and environmentally friendly material...
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With the continuous development of science and technology, electromagnetic waves are more and more widely used in life. Among them, the electromagnetic wave frequency of 1 ~ 20ghz is widely used in wireless communication, high-frequency circuit components and other related fields. Due to the application of absorbing materials in EMI and RCS, absorbing materials are getting more and more attention,...
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Nanotechnology has been successfully applied in China's medical field. A group in Nanjing used nano silver technology to develop and produce a medical dressing, a long-acting broad-spectrum antibacterial cotton. The production principle of this antibacterial cotton is to make silver into 20 nanometer ultrafine particles through nanotechnology, and then attach it to cotton fabric. Silver has the ef...
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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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