Cubic boron nitride compact
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United States of America Patent
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Feb 26, 2013
Grant Date -
Dec 3, 2009
app pub date -
Oct 27, 2006
filing date -
Oct 28, 2005
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Abstract
A method of making polycrystalline CBN compacts, high in CBN content, is provided. The method includes making a powdered composition by subjecting a mixture of CBN, present in an amount of at least 80 volume percent of the mixture, and a powdered binder phase to attrition milling. This powdered mixture is subjected to conditions of elevated temperature and pressure suitable to produce CBN compacts.
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