Transformation behavior of low carbon steels containing two different Si contents

Cai, Ming-hui, Ding, Hua, Zhang, Jian-su, Li, Long, Li, Xiao-bin and Du, Lin-xiu 2009, Transformation behavior of low carbon steels containing two different Si contents, Journal of iron and steel research international, vol. 16, no. 2, pp. 55-60, doi: 10.1016/S1006-706X(09)60028-5.

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Title Transformation behavior of low carbon steels containing two different Si contents
Author(s) Cai, Ming-hui
Ding, Hua
Zhang, Jian-su
Li, Long
Li, Xiao-bin
Du, Lin-xiu
Journal name Journal of iron and steel research international
Volume number 16
Issue number 2
Start page 55
End page 60
Total pages 6
Publisher Gangtie Yanjiu Xuebao
Place of publication Beijing, China
Publication date 2009-03
ISSN 1006-706X
Keyword(s) bainitic morphology
cooling rate
low carbon steel
Si content
transformation behavior
Summary Continuous cooling transformation behaviors of low carbon steels with two Si contents (0.50% and 1. 35%) were investigated under undeformed and deformed conditions. Effects of Si contents, deformation, and cooling rates on y transformation start temperature (A,r3), phase microstructures, and hardness were studied. The results show that, in the case of the deformation with the true strain of 0. 4, the length of bainitic ferrite laths is significantly decreased in low Si steel, whereas, the M/A constituent becomes more uniform in high Si steel. An increase in cooling rates lowers the A,r3 greatly. The steel with higher level of Si exhibits higher A,r3, and higher hardness both under undeformed and deformed conditions compared with the steel with a lower Si content. Especially, the influence of Si on Ar3 is dependent on deformation. Such effects are more significant under the undeformed condition. The hardness of both steels increases with the increase of cooling rates, whereas, the deformation involved in both steels reduces the hardness.
Language eng
DOI 10.1016/S1006-706X(09)60028-5
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 ©2009, Central Iron and Steel Research Institute
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Document type: Journal Article
Collection: Institute for Frontier Materials
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