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Development of optimum wear-resistant materials relies on design of the total tribosystem based on the mechanical, chemical and thermal demands of the triboenvironment. Further material refinement is based on knowledge of the wear and degradation mechanisms, with material parameters such as composition and microstructure becoming vitally important. Wear-resistant metallic and elastomeric materials...
An investigation has been carried out into the manufacture and field trial of alloy white iron beater plates used to process coal in a KSG coal pulveriser mill. The components were made by the cast bonding process, which involves casting a wear layer onto a steel substrate to form a bimetallic composite product. Four alloy white irons, containing primary and/or eutectic carbide volume fractions ranging...
The paper reports the first part of a project aimed at developing methodologies for the evaluation of wear-resistant materials in mining and mineral processing operations. A review of the literature revealed that almost no systematic studies have been made of wear phenomena in operating mining and mineral processing plants. There have been a multitude of laboratory studies of abrasive wear phenomena...
The effect of the temperature and time of the destabilization and sub-critical heat treatments on the abrasive wear behaviour of two high-chromium white iron alloys (15-3 Cr-Mo and 27 Cr) was investigated. The response of each alloy to the destabilization heat treatment and, therefore, the microstructures developed, differed significantly. Pin abrasion tests were conducted, and showed the wear resistance...
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