Hard-metal body

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United States of America Patent

PATENT NO 9394592
APP PUB NO 20140115974A1
SERIAL NO

14147069

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Abstract

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The invention relates to hard-metal body comprising a hard-metal, the hard-metal comprising tungsten carbide grains and metal binder comprising cobalt having a concentration of tungsten dissolved therein, the body comprising a surface region adjacent a surface and a core region remote from the surface, the surface region and the core region being contiguous with each other; the mean binder fraction of the core region being greater than that of the surface region; the mean carbon concentration within the binder being higher in the surface region than in the core region; to tools comprising same and methods of making same.

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Patent Owner(s)

Patent OwnerAddress
ELEMENT SIX GMBHBURGHAUN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hlawatschek, Sebastian Ralf Burghaun, DE 4 28
Konyashin, Igor Yuri Burghaun, DE 12 115
Lachmann, Frank Friedrich Burghaun, DE 37 350
Ries, Bernd Heinrich Burghaun, DE 51 375

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