Q & A details -What kind of products are suitable for the production of waste hard alloy materials produced by mechanical crushing?
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What kind of products are suitable for the production of waste hard alloy materials produced by mechanical crushing?

1 answer Reward0 Deadline 2020-04-10 10:35:50

Mechanical crushing, Waste cemented carbide material, why?

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  • 0865598567

    0865598567 2019-04-25 10:47:02

    The waste cemented carbide powder obtained by mechanical crushing after high temperature treatment is suitable for the production of crude cemented carbide. following reason: After the cemented carbide is sintered, it has the function of purifying impurities and homogenizing components. Especially after high temperature treatment, the WC grain grows, the crystal form is more complete, and the alloy structure and properties are improved. When the waste cemented carbide is treated at a high temperature of 1800 ° C or higher, a large amount of liquid phase appears in the alloy, the diffusion of atoms is intensified, the dissolution of WC is enhanced, the precipitation of WC is rapidly increased, and WC is in the process of recrystallization. Defects in the grain structure are eliminated and the WC crystal structure is more complete. Therefore, the waste cemented carbide powder obtained by mechanical crushing after high temperature treatment is suitable for the production of crude cemented carbide.

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