Browsing by Author "Пырцак, Константин"

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    СХОДСТВО И РАЗЛИЧИЕ СПЕЦИФИКИ ДЕФОРМИРОВАНИЯ СТАЛИ AISI 316L В УСЛОВИЯХ ТРЕНИЯ И УДАРНОЙ НАГРУЗКИ
    (CEP USM, 2024) Грабко, Дарья; Пырцак, Константин; Присакару, Андриан; Топал, Дарья; Вилотич, Марко; Вилотич, Драгиша; Шикимака, Ольга
    The paper studies the formation of a hardened nano-microstructured (NMS) surface layer on AISI 316L stainless steel using two methods: light friction and light impact loading. The studies have shown that the forming NMS layer has both common and different features that can affect the properties of the modified material in different ways. The common features of the NMS layer under friction and impact loading include the fragmentation of the grain structure, the appearance of slip bands inside the grains, an increase in the strength and plasticity parameters. On the other hand, some differences are noted: a different degree of hardening in the NMS layer compared to the original undeformed surface, different sizes of the NMS layer, etc. Based on the obtained results, it can be assumed that the friction method can be used to obtain a slightly strengthened NMS layer with a thickness of about 500 μm. The impact load method is preferable for obtaining a more strengthened NMS layer of thickness ≈15-20 μm.