Pre-alloyed powder and its use in the manufacture of diamond tools
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United States of America Patent
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May 14, 2002
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N/A
app pub date -
Nov 13, 1998
filing date -
Dec 8, 1995
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Abstract
A powder for sintering to manufacture a diamond tool has an average particle size of less than 8 .mu.m 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.degree. C. to give a matrix having a high hardness.
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