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The abrasive wear of machine components used in mining, mineral dressing, and earth moving machinery has long been recognized as a major problem in material design. This problem has been studied on a laboratory scale using four types of tests which simulate abrasion conditions ranging from severe gouging wear to low-stress erosion. These tests, namely, the jaw crusher test, the pin test, the rubber wheel abrasion test, and the impeller test, are described; the data obtained from the tests are interpreted in terms of the effects of those metallurgical variables that influence the abrasion resistance of an alloy. The results demonstrate the usefulness of the tests in assessing the magnitude of the metallurgical effects and the usefulness of the data for the design of better abrasion-resistant alloys.
wear tests, erosion, corrosion, iron alloys, wear, gouging, abrasion
Senior metallurgist, Climax Molybdenum Company of Michigan, Ann Arbor, Mich.