Ultrafine Grain Carbide Cutting Tools Sintering

Ultrafine grain carbide cutting tools sintering is an important process for the production of compact powder materials; ultrafine grain carbide cutting tools sintering can make ultrafine grain carbide cutting tools material has certain structure. Ultrafine grained WC - Co based cemented carbide cutting tools sintering an important issue is to control the grain growth and achieve full densification, and therefore should minimize the need for ultrafine grain carbide cutting tools sintering temperature and shorten the sintering time. You can grow the grain by adding inhibitors, changing WC - Co and outside the heating mode and shorten the sintering time, holding time, reduce the time and speed of WC grain growth, thereby producing ultrafine grain carbide cutting tools. Currently, for ultrafine grain WC - Co based cemented carbide sintering process maturity scale production is: vacuum sintering, vacuum sintering and hot isostatic pressing and heat treatment. Ultrafine grain carbide cutting tools sintering process optimization control, the material microstructure and mechanical properties of ultrafine grain carbide cutting tools of the pros and cons play a decisive role.


 

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