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Effect of Deep Cryogenic Treatment on Wear and Galling Properties of High-Speed Steels
Patricia Jovičević-Klug1,2, Marko Sedlaček2, Matic Jovičević-Klug3
1Institute of Metals and Technology, Lepi pot 11, 1000 Ljubljana, Slovenia.
Abstract:
New approaches to improving wear resistance with an affordable and noncomplex technology, such as deep cryogenic treatment, (DCT0), are receiving attention. The aim of this study is to investigate the effect of DCT on the friction and wear performance of high-speed steels. AISI M2, AISI M3:2 and AISI M35 were heat-treated under different conditions, and then investigated under dry sliding conditions. Tribological testing involved different contact conditions, prevailing wear mechanisms and loading conditions. The DCT effect on sliding wear resistance depends on HSS steel grade, as well as contact conditions and wear mode, whereas it improves the dynamic impact of the wear and galling resistance.
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