1970-02-01

Rubber Wheel Abrasion Test 700687

A laboratory test was developed to evaluate materials for their resistance to low-stress abrasion. The abrasion is caused by a silica sand slurry conveyed between the specimen and a 7 in. diameter steel wheel, having a neoprene rubber rim, rotating at a speed of 240 rpm. The specimen is pressed against the wheel with a force of 50 lb. The wear test was used to determine and to compare the abrasion resistance of a variety of materials ranging from constructional steels to sintered carbides. The effects of test variables, metallurgical variables, and reproducibility of results are discussed. The test proved to be highly reproducible.

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