Method and composition for producing hard surface carbide insert tools
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United States of America Patent
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Jul 28, 1987
Issued Date -
N/A
app pub date -
Jul 15, 1985
filing date -
Apr 16, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A hard surfaced heavy duty cutting tool having an abrasive insert and method for hard surfacing and bonding metallic materials. The composition used in hard surfacing comprises a slurry coating including a high nickel, metal alloy powder and a fluxing agent. The slurry composition is fused at temperatures of about 1830.degree.-1925.degree. F. to bond an abrasive cutting element, such as tungsten carbide in a base metal matrix, to a cutting tool to form the primary working element thereof. The slurry composition is also fused at the same temperature range to form a wear surface of the tool adjacent to the abrasive insert as a hard surface, wear resistant coating in which abrasive compounds and other materials may be incorporated.
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