Method for producing a powder-metallurgical product

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United States of America Patent

PATENT NO 11090720
SERIAL NO

16439695

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Abstract

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A method for producing a powder-metallurgical product may include providing a powder mixture, forming the powder mixture into a green body, and sintering the green body to form a resulting powder-metallurgical product. The powder mixture may include a first hard phase, a second hard phase, 0 to 1.8% by weight of graphite, 0 to 5% by weight each of cobalt, tri-iron phosphide, copper, bronze, phosphorous, sulphur, calcium fluoride and molybdenum, 0.1 to 1.8% by weight of a pressing aid and a flow improver, and a remaining proportion that is an iron-base powder. The first hard phase may include 52 to 78% by weight of molybdenum, 0 to 2% by weight of silicon, 0 to 1.5% by weight of copper, and a remaining weight proportion of iron and production-related contaminations. The second hard phase may include 0 to 0.8% by weight of manganese and less than 0.1% by weight of carbon.

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Patent Owner(s)

  • MAHLE INTERNATIONAL GMBH

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Heckendorn, Heiko Schopfheim, DE 8 11
Ruch, Roland Schopfheim, DE 6 9
Suetterle, Rene Hausen, DE 1 2
Sutter, Patrick Schopfheim, DE 11 9
Wintrich, Klaus Schopfheim, DE 16 17

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