prov:value
| - More particularly, U.S. Pat. No. 4,431,448 teaches preparation of a dense, hard alloy by intermixing powders of titanium, boron, carbon, and a Group I-B binder metal or alloy, such as an alloy of copper or silver, compression of the mixture, local ignition thereof to initiate the exothermic reaction of titanium with boron and carbon and propagation of the ignition, resulting in an alloy comprising
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