Bainitic stabilization of retained austenite for enhanced ductility in low alloy sheet steels

M. L. Brandt*, Gregory B Olson

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Thermodynamic principles were utilized to study the stabilization of retained austenite via bainitic transformation in a 0.26C-1.52Si-1.2Mn steel. The volume fraction and stability of retained austenite are varied via thermo-mechanical processing. A plane-strain uniform ductility of 25% with a 3% flow strength of 570 MPa was achieved. The austenite stability appears to be less than the theoretical optimum, and further ductility enhancement should be achievable with increased stability via increased manganese content or decreased particle size.

Original languageEnglish (US)
Title of host publicationMechanical Working and Steel Processing Conference Proceedings
PublisherPubl by Iron & Steel Soc of AIME
Pages427-434
Number of pages8
Volume31
ISBN (Print)0932897878
StatePublished - Dec 1 1993
EventProceedings of the 35th Mechanical Working and Steel Processing Conference - Pittsburgh, PA, USA
Duration: Oct 24 1993Oct 27 1993

Other

OtherProceedings of the 35th Mechanical Working and Steel Processing Conference
CityPittsburgh, PA, USA
Period10/24/9310/27/93

ASJC Scopus subject areas

  • Metals and Alloys

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