Mixed sintered metal materials based on borides, nitrides and iron binder metals
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United States of America Patent
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Sep 3, 1991
Grant Date -
N/A
app pub date -
Nov 2, 1990
filing date -
Dec 15, 1989
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Expired
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Abstract
The invention relates to mixed sintered metal materials based on high-melting borides and nitrides and low-melting iron binder metals having the composition: (1) 40-97% by volume of borides, such as titanium diboride and zirconium diboride; (2) 1-48% by volume of nitrides, such as titanium nitride and zirconium nitride; (3) 0-10% by volume of oxides, such as titanium oxide and zirconium oxide, with the proviso that components (2) and (3) may also be present as oxynitrides such as titanium and zirconium oxynitride; and (4) 2-59% by volume of low-carbon binder metals, such as iron and iron alloys and to processes for preparing the same.
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