Components of earth-boring tools including sintered composite materials and methods of forming such components
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United States of America Patent
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Nov 9, 2010
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app pub date -
Jun 11, 2007
filing date -
Dec 5, 2001
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Abstract
C or carbides or borides of W, Ti, Mo, Nb, V, Hf, Ta, Zr, and Cr in combination with an iron-based, nickel-based, nickel and iron-based, iron and cobalt-based, aluminum-based, copper-based, magnesium-based, or titanium-based alloy for a binder material. Commercially pure elements such as aluminum, copper, magnesium, titanium, iron, or nickel may also be used for the binder material. The mixture of the hard particles and the binder material may be consolidated at a temperature below the liquidus temperature of the binder material using a technique such as rapid omnidirectional compaction (ROC), the CERACON™ process, or hot isostatic pressing (HIP). After sintering, the consolidated hard material may be treated to alter its material properties.
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