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Powder metallurgy characteristics

Powder metallurgy characteristics

Powder metallurgy has a unique chemical composition and mechanical and physical properties, which can not be obtained by traditional casting methods. The use of powder metallurgy technology can be directly made into porous, semi-dense or fully dense materials and products, such as oil bearings, gears, cams, guide rods, tools, etc., is a less cutting process. (1) Powder metallurgy technology can minimize the segregation of alloy components and eliminate coarse and uneven casting structures. In the preparation of high-performance rare earth permanent magnetic materials, rare earth hydrogen storage materials, rare earth luminescent materials, rare earth catalysts, high-temperature superconducting materials, new metal materials (such as Al-Li alloys, heat-resistant Al alloys, superalloys, powder corrosion-resistant stainless steel, powder high-speed steel, intermetallic high-temperature structural materials, etc.) plays an important role.

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Definition of Powder Metallurgy

Definition of Powder Metallurgy

Powder metallurgy is the production of metal powder or metal powder (or metal powder and non-metallic powder mixture) as raw materials, after forming and sintering, the production of metal materials, composite materials and various types of products of industrial technology. Powder metallurgy technology has been widely used in transportation, machinery, electronics, aerospace, weapons, biology, new energy, information and nuclear industry, and has become one of the most dynamic branches of new materials science. Powder metallurgy technology has a series of advantages such as significant energy saving, material saving, excellent performance, high precision and good stability, which is very suitable for mass production. In addition, some materials and complex parts that cannot be prepared by traditional casting methods and machining methods can also be manufactured by powder metallurgy technology, which has attracted much attention from the industry.

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