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process for the production of articles by powder metallurgy, and articles so produced
process for the production of articles by powder metallurgy, and articles so produced
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机译:粉末冶金生产制品的方法,以及如此生产的制品
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摘要
The invention consists of a process for the production of articles by powder metallurgy including the step of adding powdered mica to the metal powder before compacting and sintering. It also extends to a sintered metal product containing mica, in particular a valve seat insert and a shock absorber piston ring. The quantity of mica is preferably between 0.5% and 2% by weight of the metal.
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