Heraeus Deutschland Gmbh & Co Kg

Werner Feuring

Bernd Spaniol

Norbert Traeger

Egbert Stiedl

Friedhold Schölz

The invention relates to a method for cutting refractory metals, in which a solid body () made of a refractory metal is mechanically machining cut with a cutting apparatus (), wherein the cutting apparatus () is wetted for cutting with a fluid () having at least 50 weight % water, wherein the cutting apparatus () is brought to a positive electrical potential in relation to the solid body () during cutting. The invention also relates to a disc produced from a refractory metal using such a method, and such a disc that has an oxide layer with a thickness of between 2 nm and 1,000 nm on the cutting surface.

Growing community of inventors

Hanau, Germany

Werner Feuring