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Effect of the removal of the surface layer of a TRIP steel sheet on its phase composition after static tension at various strain rates

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Abstract

The effect of the removal of the surface layer of a thin strip made of austenitic–martensitic VNS9-Sh (23Kh15N5AM3-Sh) TRIP steel on the phase composition of the strip surface is studied after static tension at various strain rates. An increase in the strain rate is shown to increase the austenite content in the surface layer of the metal. The removal of a 10-μm-thick surface layer by electropolishing results in an increase in the austenite content due to the initial nonuniform phase composition of the thin TRIP steel strip across its thickness after cold rolling.

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Correspondence to V. F. Terent’ev.

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Original Russian Text © V.F. Terent’ev, A.K. Slizov, V.P. Sirotinkin, D.V. Prosvirnin, L.I. Kobeleva, E.A. Eliseev, O.V. Rybal’chenko, A.A. Ashmarin, 2016, published in Metally, 2016, No. 1, pp. 40–45.

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Terent’ev, V.F., Slizov, A.K., Sirotinkin, V.P. et al. Effect of the removal of the surface layer of a TRIP steel sheet on its phase composition after static tension at various strain rates. Russ. Metall. 2016, 34–38 (2016). https://doi.org/10.1134/S0036029516010122

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  • DOI: https://doi.org/10.1134/S0036029516010122

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