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PRE-ALLOYED POWDER AND ITS USE IN THE MANUFACTURE OF DIAMOND TOOLS
PRE-ALLOYED POWDER AND ITS USE IN THE MANUFACTURE OF DIAMOND TOOLS
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机译:预合金粉及其在金刚石工具生产中的应用
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摘要
A powder for sintering to manufacture a diamond tool has an average particle size of less than 8 mum and a loss of mass by reduction in hydrogen of less than 3% and contains 10-80% Fe, up to 40% Co, up to 60% Ni and up to 15% M. M is present, at least partially, in the oxidized state and representing one or more of the elements Mn, Cr, V., Al, Mo and Ti, the balance being unavoidable impurities. This powder may be sintered at 650-1000° C. to give a matrix having a high hardness.
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