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Laboratory testing procedures used to evaluate materials for their resistance to adhesive wear and dry abrasion under low stress conditions are presented. The abrasion test described utilizes a gravity-fed silica sand stream conveyed between the specimen and a rotating rubber wheel to produce the wear. The adhesive wear test uses a block-on-ring machine, and wear and friction under dry or boundary lubrication are evaluated. The effects of test variables on the reproducibility of the results and the determination of the wear rate are discussed.
wear tests, adhesive wear, abrasive wear, sanding, boundary lubrication, friction
Manager, Materials Development, Union Carbide Corporation, Indianapolis, Ind.
Associate professor of Metallurgical Engineering and Materials Science, University of Notre Dame, Notre Dame, Ind.