CBN SINTERED BODY TOOL AND COATED CBN SINTERED BODY TOOL
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United States of America Patent
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Issued Date -
Nov 21, 2013
app pub date -
Feb 6, 2012
filing date -
Feb 4, 2011
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Abandoned
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Abstract
A cBN sintered body tool has a cBN sintered body which includes 40 to 85% by volume of cBN, the remainder being a binder phase including at least one selected from at least one metal selected from Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, W, Co, Ni and Al, and at least one of a carbide, a nitride, a carbonitride, a boride and an oxide of these metals and mutual solid solutions thereof, and inevitable impurities. An amount of a Mo element contained in the cBN sintered body is 0.2 to 3.0% by weight based on a whole amount of the cBN sintered body.
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