Abstract
Comparative tests of the relative wear resistance of press molds with various coatings carried out while pressing abrasive disks on a ceramic binder under industrial conditions are described. It is shown that boronizing, nitriding, and carburizing do not provide substantial growth of the abrasion strength. Plasma, gas-flame, and laser hardening, electrophoresis, and chrome-plating approximately double the wear resistance, whereas the method of powder metallurgy increases it by a factor of 3–8. The most promising materials are metal-ceramic and mineral-ceramic composites that can provide a more than 8-fold increase in the wear resistance. It is noteworthy that tungsten-free alloys and mineral-ceramic materials can become adequate substitutes for scarce tungsten-bearing ones.
Published Version
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