Composite sintered powder metal articles

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United States of America Patent

PATENT NO 8790439
APP PUB NO 20120285293A1
SERIAL NO

13558769

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Abstract

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A composite sintered powder metal article including a first region including a cemented hard particle material such as, for example, cemented carbide. The article includes a second region including: a metallic material selected from a steel, nickel, a nickel alloy, titanium, a titanium alloy, molybdenum, a molybdenum alloy, cobalt, a cobalt alloy, tungsten, a tungsten alloy; and from 0 up to 30 percent by volume of hard particles. The first region is metallurgically bonded to the second region, and each of the first region and the second region has a thickness of greater than 100 microns. The second region comprises at least one mechanical attachment feature so that the composite sintered powder metal article can be attached to another article. The article comprises one of an earth boring article, a metalcutting tool, a metalforming tool, a woodworking tool, and a wear article.

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Patent Owner(s)

Patent OwnerAddress
KENNAMETAL INC1600 TECHNOLOGY WAY LATROBE PA 15650-0231

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chandler, Morris E Santa Fe, US 12 314
Mirchandani, Prakash K Houston, US 54 1908

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