Abstract
The properties of austenitic–martensitic VNS9-Sh (23Kh15N5AM3-Sh) sheet TRIP steel during static and cyclic loading are studied. The specific features of the mechanical behavior of the steel during static tension that are related to shearing, twinning, and martensite formation processes are detected. The static stress–strain curve of the steel has a developed microyield stage, a long yield plateau, and a serrated stage of strain hardening (Portevin–Le Chatelier effect). The shear mechanisms at the initial stages of cyclic deformation and fatigue crack propagation mechanisms are investigated.
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Original Russian Text © V.F. Teren’tev, D.V. Prosvirnin, A.K. Slizov, L.I. Kobeleva, A.Yu. Marchenkov, A.A. Ashmarin, V.P. Sirotinkin, 2017, published in Deformatsiya i Razrushenie Materialov, 2017, No. 8, pp. 39–47.
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Teren’tev, V.F., Prosvirnin, D.V., Slizov, A.K. et al. Behavior of an Austenitic–Martensitic VNS9-Sh Sheet TRIP Steel during Static and Cyclic Deformation. Russ. Metall. 2018, 389–396 (2018). https://doi.org/10.1134/S0036029518040195
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DOI: https://doi.org/10.1134/S0036029518040195