| 摘要 |
Method for producing a hard metal body having increased wear resistance, the body containing at least one of the binder metals iron, cobalt and nickel and at least one carbide of the elements titanium, zirconium, hafnium, vanadium, niobium, tantalum, chromium, molybdenum and tungsten, the body being produced by way of sintering and having a nitrogen containing surface, comprises subjecting a hard metal body containing the binder metal and carbide to a pressure between 2 bar and 5000 bar in a sintering autoclave at a high temperature and in a nitrogen containing atmosphere, after final sintering, to enrich the hard metal body with nitrogen and to form the nitrogen containing surface.
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