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Effect of deformation schedule on the microstructure and mechanical properties of a thermomechanically processed C-Mn-Si transformation-induced plasticity steel

Timokhina, I.B., Hodgson, Peter and Pereloma, E.V. 2003, Effect of deformation schedule on the microstructure and mechanical properties of a thermomechanically processed C-Mn-Si transformation-induced plasticity steel, Metallurgical and materials transactions. A, vol. 34A, no. 8, pp. 1599-1609, doi: 10.1007/s11661-003-0305-8.

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Title Effect of deformation schedule on the microstructure and mechanical properties of a thermomechanically processed C-Mn-Si transformation-induced plasticity steel
Author(s) Timokhina, I.B.
Hodgson, Peter
Pereloma, E.V.
Journal name Metallurgical and materials transactions. A
Volume number 34A
Issue number 8
Start page 1599
End page 1609
Publisher ASM International
Place of publication Warrendale, PA
Publication date 2003-08
ISSN 1073-5623
1543-1940
Keyword(s) steel
metallurgy
Summary Thermomechanical processing simulations were performed using a hot-torsion machine, in order to develop a comprehensive understanding of the effect of severe deformation in the recrystallized and nonrecrystallized austenite regions on the microstructural evolution and mechanical properties of the 0.2 wt pct C-1.55 wt pct Mn-1.5 wt pct Si transformation-induced plasticity (TRIP) steel. The deformation schedule affected all constituents (polygonal ferrite, bainite in different morphologies, retained austenite, and martensite) of the multiphased TRIP steel microstructure. The complex relationships between the volume fraction of the retained austenite, the morphology and distribution of all phases present in the microstructure, and the mechanical properties of TRIP steel were revealed. The bainite morphology had a more pronounced effect on the mechanical behavior than the refinement of the microstructure. The improvement of the mechanical properties of TRIP steel was achieved by variation of the volume fraction of the retained austenite rather than the overall refinement of the microstructure.
Language eng
DOI 10.1007/s11661-003-0305-8
Field of Research 091207 Metals and Alloy Materials
Socio Economic Objective 970109 Expanding Knowledge in Engineering
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2003, ASM International
Persistent URL http://hdl.handle.net/10536/DRO/DU:30002321

Document type: Journal Article
Collections: School of Engineering and Technology
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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.