HARD PARTICLES FOR BLENDING IN SINTERED ALLOY, WEAR-RESISTANT IRON-BASED SINTERED ALLOY CONTAINING HARD PARTICLES, VALVE SEAT FORMED OF SINTERED ALLOY, AND PROCESS FOR MANUFACTURING HARD PARTICLES
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United States of America Patent
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Issued Date -
Dec 6, 2012
app pub date -
Oct 13, 2010
filing date -
Feb 19, 2010
priority date (Note) -
Abandoned
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Abstract
Hard particles for blending as a starting material in a sintered alloy contain 20 to 40 mass % of molybdenum, 0.5 to 1.0 mass % of carbon, 5 to 30 mass % of nickel, 1 to 10 mass % of manganese, 1 to 10 mass % of chromium, 5 to 30 mass % of cobalt, 0.05 to 2 mass % of yttrium, and the balance being inadvertent impurities and iron.
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