Wear resistant hard metal free of tungsten carbide

US4481166A · kind A · utility

Assignee

• Kernforschungszentrum Karlsruhe GmbH · DE

Inventors

• Helmut Holleck · Karlsruhe, DE
• Fritz Thuemmler · Karlsruhe, DE
• Leo Prakash · Karlsruhe, DE

Key dates

• Filing date: Apr 1, 1981
• Grant date: Nov 6, 1984
• Expiry date: Apr 1, 2001

Classification

• Technology area (CPC —): General

Abstract

A wear-resistant hard metal free of tungsten carbide. The hard metal comprises: molybdenum carbide; a carbide of another transition metal; boron, boron nitride, boron carbide, or a mixture thereof, in an amount of 0.1 to 1% by weight boron, based on the weight of the molybdenum carbide, other transition metal carbide and boron-containing material, and a binder metal selected from the group consisting of metals of the iron group of the Periodic Table of Elements, and alloys thereof.