Sintered alloy, method for production thereof and valve sheet
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United States of America Patent
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N/A
Issued Date -
Oct 7, 2004
app pub date -
May 5, 2004
filing date -
Jun 8, 2001
priority date (Note) -
Abandoned
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Abstract
To provide a sintered alloy capable of showing wear resistance and a process for producing the same as well as a valve seat of good wear resistance. A sintered alloy comprising 4-30% by weight Mo, 0.2-3% by weight C, 1-30% by weight Ni, 0.5-10% by weight Mn, 2-40% by weight Co, and the balance of inevitable impurities and Fe when the entirety is taken as 100% by weight. Aprocess for producing a sintered alloy in which a green compact of a raw mixture powder including hard particles is sintered, thereby producing said sintered alloy. A valve seat comprising said sintered alloy.
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