Microstructures of an Ultrafine Grained SS400 Steel in an Industrial Scale

材料科学技术（英）, 2006, 22(2): 145-148.

^1, , ^2, , ^3, , ^4, , ^5,

1.School of Materials and Metallurgy, Northeastern University, Shenyang 110004, China;State Key Laboratory of Rolling and Automation, Northeastern University, Shenyang 110004, China

2.School of Materials and Metallurgy, Northeastern University, Shenyang 110004, China

3.School of Materials and Metallurgy, Northeastern University, Shenyang 110004, China

4.School of Materials and Metallurgy, Northeastern University, Shenyang 110004, China

5.State Key Laboratory of Rolling and Automation, Northeastern University, Shenyang 110004, China

基金项目: Shanghai BaoSteel(50271015) the National Natural Science Foundation of China

Microstructures of an Ultrafine Grained SS400 Steel in an Industrial Scale

Keywords： SS400 steel

The microstructures of a SS400 steel after thermomechanical control process (TMCP) in an industrial production were observed by optical microscope, scanning electron microscope (SEM) and transmission electron microscope (TEM). The results indicated that the size of ferrite grains was 4～5μm, and the volume fraction of ferrite was around 70%. The types of the ultrafine ferrite grains were analyzed and the strengthening mechanisms were discussed. The results show that the ultrafine ferrite grains came from three processes, i.e.deformation induced ferrite transformation (DIFT), dynamic recrystallization of ferrite and accelerated cooling process. The increase in the strength of the material was mainly due to the grain refining.

参考文献

[1]	P.D.Hodgson;M.R.Hickson;R.K.Gibbs .ULTRAFINE FERRITE IN LOW CARBON STEEL[J].Scripta materialia,1999(10):1179-1184.
[2]	M R Hickson;R K Gibbs;P D Hodgson .[J].ISIJ International,1999,39(11):1176.
[3]	Y S Torizuka;O Umezawa;K Tsuzaki;K Nagai .[J].Materials Science Forum,1998,225:284.
[4]	Y. D. Huang;W. Y. Yang;Z. Q. Sun .Formation of ultrafine grained ferrite in low carbon steel by heavy deformation in ferrite or dual phase region[J].Journal of Materials Processing Technology,2003(1):19-25.
[5]	M. Niikura;M. Fujioka;Y. Adachi;A. Matsukura;T. Yokota;Y. Shirota;Y. Hagiwara .New concepts for ultra refinement of grain size in super metal project[J].Journal of Materials Processing Technology,2001(3):341-346.
[6]	P. J. Hurley;G. L. Kelly .Ultrafine ferrite formation during hot strip rolling[J].Materials Science and Technology: MST: A publication of the Institute of Metals,2000(11/12):1273-1276.
[7]	B.Q. Han;S. Yue .Processing of ultrafine ferrite steels[J].Journal of Materials Processing Technology,2003(1/3):100-104.
[8]	Y.D. Huang;L. Froyen .Important factors to obtain homogeneous and ultrafine ferrite-pearlite microstructure in low carbon steel[J].Journal of Materials Processing Technology,2002(1/2):216-226.
[9]	Zhongmin YANG;Yan ZHAN;Ruizhen WANG;Yanwen MA, Yanmin CHEN .[J].Acta Metallurgica Sinica,2000,36(08):818.
[10]	Z.Q.Sun,W.Y.Yang,A.M.Hu,P.Yang.DEFORMATION ENHANCED FERRITE TRANSFORMATION IN PLAIN LOW CARBON STEEL[J].金属学报(英文版),2001(02):115-121.
[11]	Z Q Sun;W Y Yang;J J Qi;A M Hu .[J].Materials Science and Engineering,2002,334:201.
[12]	Guodong WANG;Xianghua LIU;Weijuan LI;Linxiu DU, Hongmei ZHANG, Jianguang YUAN, Peijun ZHANG .[J].Iron and Steel,2001,36(05):39.
[13]	Yuqing WENG .[J].Iron and Steel,2003,38(05):1.
[14]	Han DONG;Xinjun SUN;Qingyou LIU;Yuqing WENG .[J].Iron and Steel,2003,38(10):56.
[15]	Linxu DU;Xianghua LIU;Guodong WANG .[J].Acta Metallurgica Sinica,2002,38:196.
[16]	R Z Wang;T C Lei .[J].Scripta Metallurgica et Materialia,1994,31(09):1193.
[17]	N Zadeh;J J Jonas;S Yue .[J].Metallurgical and Materials Transactions,1992,23:2607.

上一张下一张

计量

下载量()
访问量()

作者相关

在本站搜索
在百度学术搜索
在万方数据库搜索
在CNKI搜索

文章评分

您的评分：
1

0%
2

0%
3

0%
4

0%
5

0%

材料期刊网

Microstructures of an Ultrafine Grained SS400 Steel in an Industrial Scale

参考文献