Effect of the strain rate on the mechanical properties of a sheet TRIP steel with a high martensite content

E. A. Eliseev; V. F. Terent’ev; N. M. Voznesenskaya; A. K. Slizov; V. P. Sirotinkin; A. S. Baikin; G. S. Seval’nev

doi:10.1134/S0036029517040036

Effect of the strain rate on the mechanical properties of a sheet TRIP steel with a high martensite content

Authors: Eliseev E.A.¹, Terent’ev V.F.², Voznesenskaya N.M.¹, Slizov A.K.², Sirotinkin V.P.², Baikin A.S.², Seval’nev G.S.¹
Affiliations:
1. FGUP All-Russia Institute of Aviation Materials VIAM
2. Baikov Institute of Metallurgy and Materials Science
Issue: Vol 2017, No 4 (2017)
Pages: 319-321
Section: Diagnostics and Mechanical Test Techniques
URL: https://journals.rcsi.science/0036-0295/article/view/171447
DOI: https://doi.org/10.1134/S0036029517040036
ID: 171447

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Abstract

The laws of changing the mechanical properties of sheet austenitic–martensitic VNS9-Sh (23Kh15N5AM3-Sh) TRIP steel are studied when the static strain rate changes in the range 0.1–20 mm/min (8.3 × 10^–5–17 × 10^–3 s^–1). The 0.35-mm strip under study is characterized by a high martensite content (≈100%) in the surface layer at an average content of 80–85%. The transformation induced plasticity effect is maximal at a strain rate of 0.1 mm/min (8.3 × 10^–5 s^–1).