Effect of prestrain on microstructures and properties of Si-Al-Mn TRIP steel sheet with niobium

Tang, Zheng-you, Ding, Hua, Ding, Hao, Cai, Ming-hui and Du, Lin-xiu 2010, Effect of prestrain on microstructures and properties of Si-Al-Mn TRIP steel sheet with niobium, Journal of iron and steel research international, vol. 17, no. 4, pp. 59-65.

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Title Effect of prestrain on microstructures and properties of Si-Al-Mn TRIP steel sheet with niobium
Author(s) Tang, Zheng-you
Ding, Hua
Ding, Hao
Cai, Ming-hui
Du, Lin-xiu
Journal name Journal of iron and steel research international
Volume number 17
Issue number 4
Start page 59
End page 65
Total pages 7
Publisher Gangtie Yanjiu Xuebao
Place of publication Beijing, China
Publication date 2010-04
ISSN 1006-706X
Keyword(s) baking-hardening
prestrain
retained austenite
TRIP steel sheet
Summary Paint baking treatment was carried out in a silicon oil bath at 170 °C for 20 min for Si-Al-Mn TRIP Steel sheet with different prestrains, and effect of prestrain on microstructures and properties was studied before and after baking. The results show that with the increasing of prestrain amount during prestraining and baking, the volume fraction of retained austenite decreases, and the volume fraction of martensite and bainite increases as well as yield strength increases; as prestrain ranges from 0 to 4%, the baking-hardening (BH) value increases; while the prestrain ranges from 4% to 16%, the BH value decreases; when the prestrain amount is 4%, the highest BH value is about 70 MPa for Si-Al-Mn TRIP steel sheet with niobium, which displays excellent baking-hardening behavior.
Language eng
Field of Research 099999 Engineering not elsewhere classified
Socio Economic Objective 970109 Expanding Knowledge in Engineering
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2010, Central Iron and Steel Research Institute
Persistent URL http://hdl.handle.net/10536/DRO/DU:30048024

Document type: Journal Article
Collection: Institute for Frontier Materials
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