Galling

Galling is a type of wear caused by a combination of friction and adhesion between sliding surfaces typically under compressive loading. The wear is a result of tearing and slipping of the crystal structure at the surface. When material begins to tear it may become stuck or welded to the mating surface. In general the harder the material, the more galling resistant the material behaves. Many stainless steel metal-on-metal applications in food manufacturing and production, industrial fluid handling, fastener, and medical device industry require outstanding corrosion resistance coupled with non-galling behavior. Bodycote’s S³P treatments can provide a solution for these systems resulting in superior performance.

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