Methods for manufacturing ultrahard compacts
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United States of America Patent
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May 31, 2011
Grant Date -
Dec 31, 2009
app pub date -
Apr 30, 2008
filing date -
Jun 1, 2004
priority date (Note) -
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Abstract
A method for manufacturing an ultrahard compact includes assembling a mass of ultrahard material with a mass of substrate material such that the mass of ultrahard material extends radially outward a greater extent than the substrate material to compensate for a difference in the radial shrinkage of the ultrahard material compared to the substrate material during a sintering process. The method may further includes subjecting the assembled compact to a high pressure high temperature process mat results in the forming of an ultrahard compact including an ultrahard layer integrally bonded with a substrate.
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