IRON-BASED MIXTURE POWDER FOR SINTERING AND IRON-BASED SINTERED ALLOY
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United States of America Patent
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Issued Date -
Jun 20, 2013
app pub date -
Aug 29, 2011
filing date -
Aug 31, 2010
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Abandoned
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Abstract
There is provided an iron-based mixture powder for sintering, as well as an iron-based sintered alloy using same, that are capable of reducing the cutting resistance of the iron-based sintered alloy and of mitigating the shortening of cutting tool life even when a metal fluoride powder is used. The iron-based mixture powder for sintering comprises an iron-based powder, a graphite powder, a hard powder that is harder than the iron-based powder, and a metalfluoride powder. With respect to particle asperity as expressed by the following equation,
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