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Modelling effect of hot rolling process variables on microstructure and mechanical properties of low carbon strip steels
Sha, XC; Li, DZ; Zhang, YT; Zhang, XG; Li, YY
Corresponding AuthorLi, DZ()
2004-04-01
Source PublicationIRONMAKING & STEELMAKING
ISSN0301-9233
Volume31Issue:2Pages:169-175
AbstractThe microstructure and mechanical properties of hot rolled strip are determined by the chemical composition and the hot rolling process. Slab reheating temperature and time, roughing delivery temperature, finishing delivery temperature and coiling temperature are the four main variables to be controlled during hot rolling. In the present work a computer aided model has been developed, combining metallurgical phenomena and the thermal evolution process, which can be used to simulate the microstructural evolution and predict the mechanical properties of low carbon steel strip with 0.05-0-25 wt-% C. The developed model has been employed to analyse the effect of the hot rolling process on the microstructure and mechanical properties of the final product. It is shown that slab reheating temperature and time has little influence on the above. Roughing delivery temperature has a small influence on recrystallisation and grain evolution during roughing passes, but no influence on the microstructure and mechanical properties of the final product. Finishing delivery temperature has a larger influence, not only on recrystallisation between finishing passes, but also on subsequent phase transformation after rolling. Coiling temperature has the strongest influence on the microstructure and mechanical properties of the final product, through changing the cooling rate during phase transformation. The present work is helpful for both prediction of mechanical properties and optimisation of the hot strip rolling process.
Keywordmodelling hot rolling low carbon steels process variables microstructure mechanical properties
Indexed BySCI
Language英语
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000222755300008
PublisherMANEY PUBLISHING
Citation statistics
Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/119233
Collection中国科学院金属研究所
Corresponding AuthorLi, DZ
Affiliation1.Chinese Acad Sci, Met Res Inst, Shenyang 110016, Peoples R China
2.Anshan Iron & Steel Grp Corp, Anshan 140021, Peoples R China
Recommended Citation
GB/T 7714
Sha, XC,Li, DZ,Zhang, YT,et al. Modelling effect of hot rolling process variables on microstructure and mechanical properties of low carbon strip steels[J]. IRONMAKING & STEELMAKING,2004,31(2):169-175.
APA Sha, XC,Li, DZ,Zhang, YT,Zhang, XG,&Li, YY.(2004).Modelling effect of hot rolling process variables on microstructure and mechanical properties of low carbon strip steels.IRONMAKING & STEELMAKING,31(2),169-175.
MLA Sha, XC,et al."Modelling effect of hot rolling process variables on microstructure and mechanical properties of low carbon strip steels".IRONMAKING & STEELMAKING 31.2(2004):169-175.
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