Investigation of friction performance and surface integrity of cryogenically treated AISI 430 ferritic stainless steel
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Tarih
2021
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info:eu-repo/semantics/openAccess
Özet
In this study, the effect of shallow cryogenic treatment on the friction coefficient of AISI 430ferritic stainless steel was investigated. The friction coefficient experiments were carried out in aball-on-disc wear tester under 5 N load at 400 rpm. As a result of the tests, the study examined thesurface 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, thefriction coefficient of the samples was increased by 7.5%. The micro hardness value around thewear traces of the cryogenic (Cryo) samples was 28.4% higher than the value for the commercialsamples. The width of the wear trace of the Cryo samples was reduced by 44%. The averageroughness value of the wear trace was 33.3% improved in the Cryo sample compared to thecommercial sample.
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International Advanced Researches and Engineering Journal
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5
Sayı
2
