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What is boron carbide powder? Nano boron carbide and ultrafine boron carbide powder were prepared by variable current laser ion vapor phase method. Boron carbide, also known as black diamond, has a molecular formula of B4C and is usually a gray black micro powder. It is one of the three hardest materials known (the other two being diamond and cubic boron nitride). Hard black glossy crystal. The ha...
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There are different types of 3D printing according to different materials, among which metal powder is one of the main raw materials for 3D printing, and high-purity metal powder needs to be used as the raw material. The relevant parameters of the powder, such as chemical composition, particle shape, particle size and distribution, flowability, etc., have a great impact on the quality of 3D printi...
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The composition of TC4 titanium alloy is Ti-6AI-4V, which belongs to the (a+β) type titanium alloy. It has good comprehensive mechanical properties, high specific strength, excellent corrosion resistance, good biocompatibility, and is widely used in aerospace, petrochemical, biomedical and other fields. This article selects the plasma rotating electrode method to prepare titanium alloy powder, and...
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In recent years, with the rapid development of 3D printing technology, NiTi alloy powder has attracted much attention as a key raw material for biomedical implants. As the foundation of 3D printing, the quality of powder raw materials is crucial, and the plasma rotating electrode atomization method has attracted much attention. Preparation method of plasma rotating electrode The PREP method is use...
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The sintering of materials involves at least two processes: densification of the body and growth of grains in the body. The longevity of grains is usually achieved through the movement of grain boundaries. According to the classical theory of grain growth kinetics, the difference in free energy between the two sides of a curved grain boundary is the driving force that causes the interface to move ...
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The properties of vanadium dioxide: The molecular formula of vanadium dioxide is VO2, with a molecular weight of 82.94. It is a dark blue crystal powder with a monoclinic crystal structure. Insoluble in water, easily soluble in acid and alkali. When dissolved in acid, it cannot generate tetravalent ions, but generates positive divalent vanadium oxide ions. When heated to red heat in a dry hydrogen...
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The reasons for peak shift in XRD (X-ray diffraction) usually involve changes in the properties of the sample itself or the influence of experimental conditions, which can be analyzed from the following aspects: 1. Sample factors 1.1 Residual stress or lattice strain Residual stress: Residual stress inside the material (such as compressive stress or tensile stress) can cause changes in the lattice...
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Metal Injection Molding (MIM) is an advanced manufacturing process that combines plastic injection molding and powder metallurgy technology, capable of efficiently producing complex shaped, high-precision, and high-performance metal parts. First. The basic process of MIM technology The MIM process mainly consists of the following four core steps: 1. Feed preparation Raw material mixing: Mix ...
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Silver paste resistance is influenced by multiple factors, and in addition to the shape of silver powder, the following key factors also significantly affect its conductivity: 1、 Characteristics of silver powder itself The particle size and distribution of silver powder directly affect the resistance. When the particle size of silver powder decreases from 5 μ m to 1 μ m, the specific surface area ...
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The factors that affect the forming process mainly include the properties of the powder, the characteristics and effectiveness of additives, and the pressure, pressurization method, and pressurization speed during the pressing process. The properties of the powder mainly include the particle size, particle size distribution, particle shape, and moisture content of the powder. First. The influ...
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