Composite articles comprising spinodal copper-nickel-tin-manganese-phosphorus alloy matrix material
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United States of America Patent
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Apr 10, 2018
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Aug 21, 2015
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Aug 21, 2014
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Abstract
A spinodal copper-nickel-tin-manganese alloy is disclosed that contains from 0.001 to about 2 weight percent phosphorus. When combined with small hard particles, the alloy has sufficient fluidity to infiltrate and fill at least 90% of the interstices of the hard particles, resulting in a composite article having superior strength and toughness. This composite article can be used in drilling bits and other cutting tools, either as a support body for cutting elements or as the cutting element itself.
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