Effect of pre-deformation on the tensile properties of a metastable austenitic steel

Yeon Seung Jung, Young Kook Lee

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

The effect of pre-deformation on the tensile properties of an ultrafine-grained metastable austenitic steel was investigated. The pre-deformation greatly improves the yield stress and austenite stability. However, the pre-deformation has little effect on the rate of martensitic transformation with the true strain or on the strain hardening rate at large strains. The higher yield stress and unimproved strain hardening rate in the warm-rolled specimen cause premature plastic instability and smaller uniform ductility.

Original languageEnglish
Pages (from-to)47-50
Number of pages4
JournalScripta Materialia
Volume59
Issue number1
DOIs
Publication statusPublished - 2008 Jul 1

Fingerprint

Austenitic steel
tensile properties
Tensile properties
strain hardening
steels
Strain hardening
Yield stress
Martensitic transformations
martensitic transformation
austenite
ductility
Austenite
Ductility
plastics
Plastics
causes
austenitic steel

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys

Cite this

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Effect of pre-deformation on the tensile properties of a metastable austenitic steel. / Jung, Yeon Seung; Lee, Young Kook.

In: Scripta Materialia, Vol. 59, No. 1, 01.07.2008, p. 47-50.

Research output: Contribution to journalArticle

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AB - The effect of pre-deformation on the tensile properties of an ultrafine-grained metastable austenitic steel was investigated. The pre-deformation greatly improves the yield stress and austenite stability. However, the pre-deformation has little effect on the rate of martensitic transformation with the true strain or on the strain hardening rate at large strains. The higher yield stress and unimproved strain hardening rate in the warm-rolled specimen cause premature plastic instability and smaller uniform ductility.

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