Increasing the wear resistance of equipment in pressing parts from high-hardness powder materials

Increasing the wear resistance of equipment in pressing parts from high-hardness powder materials 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. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Refractories and Industrial Ceramics Springer Journals

Increasing the wear resistance of equipment in pressing parts from high-hardness powder materials

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Publisher
Springer US
Copyright
Copyright © 1999 by Kluwer Academic/Plenum Publishers
Subject
Chemistry; Characterization and Evaluation of Materials; Materials Science; Ceramics, Glass, Composites, Natural Methods
ISSN
1083-4877
eISSN
1573-9139
D.O.I.
10.1007/BF02770594
Publisher site
See Article on Publisher Site

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.

Journal

Refractories and Industrial CeramicsSpringer Journals

Published: Nov 29, 2007

References

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