Hard phase forming alloy powder, wear resistant sintered alloy, and production method for wear resistant sintered alloy
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United States of America Patent
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Feb 16, 2016
Grant Date -
Apr 18, 2013
app pub date -
Dec 6, 2012
filing date -
Jul 3, 2008
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Abstract
A hard phase forming alloy powder, for forming a hard phase dispersed in a sintered alloy, consists of, by mass %, 15 to 35% of Mo, 1 to 10% of Si, 10 to 40% of Cr, and the balance of Co and inevitable impurities. A production method, for a wear resistant sintered alloy, includes preparing a matrix forming powder, the hard phase forming alloy powder, and a graphite powder. A wear resistant sintered alloy exhibits a metallic structure in which 15 to 45% of a hard phase is dispersed in a matrix. The hard phase consists of, by mass %, 15 to 35% of Mo, 1 to 10% of Si, 10 to 40% of Cr, and the balance of Co and inevitable impurities.
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