Please use this identifier to cite or link to this item: https://elib.belstu.by/handle/123456789/45632
Title: Realization of the innovative potential of radial-shear rolling for forming the structure and mechanical properties of AISI-321 austenitic stainless steel
Authors: Naizabekov, Abdrakhman
Lezhnev, Sergey
Panin, Evgeniy
Volokitina, Irina
Kasperovich, Andrey
Keywords: severe plastic deformation
ultra-fine grained structure
radial-shear rolling
microstructure
mechanical properties
austenitic stainless steel
AISI-321 steel
сталь AISI-321
аустенитная нержавеющая сталь
интенсивная пластическая деформация
сверхмелкозернистая структура
радиально-сдвиговая прокатка
микроструктура
механические свойства
Issue Date: 2021
Citation: Realization of the innovative potential of radial-shear rolling for forming the structure and mechanical properties of AISI-321 austenitic stainless steel / A. Naizabekov [et al.] // Revista Matéria. - V. 26, n.3.
Abstract: In this paper the grain structure and mechanical properties of AISI-321 austenitic stainless steel subjected to 7 passes of radial-shear rolling at 1000 °С were investigated. The tensile strength (1076 MPa) and Vickers microhardness (322 HV) after 7 passes increased by 2.2 times and 2 times, respectively, relative to the initial annealed state (480 MPa, 160 HV). Ultra-fine grained structure (200-700 nm) formed in the bar section area from its surface to a depth of 0.25 of the radius. The transition zone is located in the area between 0.5 R and 0.25 R of the bar section. Anything deeper is a rolling texture. The 7-pass radial-shear rolling process is an effective way to form UFG structure and improved mechanical properties in AISI-321 austenitic stainless steel.
URI: https://elib.belstu.by/handle/123456789/45632
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