Abstract
In this study, the effect of shallow cryogenic treatment on the friction coefficient of AISI 430 ferritic stainless steel was investigated. The friction coefficient experiments were carried out in a ball-on-disc wear tester under 5 N load at 400 rpm. As a result of the tests, the study examined the surface topography of the wear traces, the abrasion profile, microscopic images of the wear traces, and the hardness change of the wear traces. After applying shallow cryogenic treatment, the friction coefficient of the samples was increased by 7.5%. The micro hardness value around the wear traces of the cryogenic (Cryo) samples was 28.4% higher than the value for the commercial samples. The width of the wear trace of the Cryo samples was reduced by 44%. The average roughness value of the wear trace was 33.3% improved in the Cryo sample compared to the commercial sample.
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