INTERMETALLIC BONDED DIAMOND COMPOSITE COMPOSITION AND METHODS OF FORMING ARTICLES FROM SAME
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United States of America Patent
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Issued Date -
Dec 5, 2013
app pub date -
Aug 7, 2013
filing date -
Apr 1, 2005
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Abandoned
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Abstract
An intermetallic bonded diamond composite composition and methods of processing such a composition are provided by the present invention. The intermetallic bonded diamond composite composition preferably comprises a nickel aluminide (Ni.sub.3Al) binder and diamond particles dispersed within the nickel aluminide (Ni.sub.3Al) binder. Additionally, the composite composition has a processing temperature of at least about 1,200.degree. C. and is processed such that the diamond particles remain intact and are not converted to graphite or vaporized by the high-temperature process. Methods of forming the composite composition are also provided that generally comprise the steps of milling, pressing, and sintering the high-temperature intermetallic binder and diamond particles.
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