Cermet alloy and process for its production
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United States of America Patent
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Sep 22, 1992
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N/A
app pub date -
Sep 11, 1991
filing date -
Sep 12, 1990
priority date (Note) -
Expired
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Abstract
A cermet alloy having a structure comprising a hard phase and a bonding phase, said hard phase comprising (1) at least one of MC, MN and MCN, wherein M is at least one element selected from Ti, Zr, Hf, Th, V, Nb, Ta, Pa, Cr, Mo, U and W and (2) at least one W-Co-B compound; said bonding phase comprising Co. The cermet has superior toughness and hardness, and can be worked by conventional sintering methods. The invention also includes a method for producing the cermet.
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