Effect of cold rolling on the structure and mechanical properties of austenitic corrosion-resistant 10Kh18N8D3BR steel

Ya E. Shakhova, Zh Ch Yanushkevich, A. N. Belyakov

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11 Citations (Scopus)

Abstract

The effect of section rolling of austenitic corrosion-resistant 10Kh18N8D3BR steel at room temperature on its structure and mechanical properties is studied. During section rolling, the steel acquires a lamellar-type structure consisting of α′-martensite lamellas and retained austenite, and the fraction of α′ martensite increases to 70% at a true strain e{open} ≈ 4. In the initial state, the yield strength of the steel is 285MPa and the relative elongation is 60%. Cold plastic deformation to e{open} ≈ 0.4 increases the yield strength to 1010 MPa. Further deformation is accompanied by higher hardening of the steel: the yield strength increases to 2050 MPa at e{open} ≈ 4, and the relative elongation decreases to 2%.

Original languageEnglish
Pages (from-to)772-778
Number of pages7
JournalRussian Metallurgy (Metally)
Volume2012
Issue number9
DOIs
Publication statusPublished - Sep 2012
Externally publishedYes

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