Factors Influencing High Temperature Thermo Plasticity of BNbRE Steel at the Third Brittle Zone

稀土学报(英文版), 2007, 25(z1): 250-253.

^1, , ^2, , ^3, , ^4, , ^5, , ^6, , ^7,

1.Material and Metallurgy School, Inner Mongolia University of Science and Technology, Baotou 014010, China

2.Material and Metallurgy School, Inner Mongolia University of Science and Technology, Baotou 014010, China

3.Material and Metallurgy School, Inner Mongolia University of Science and Technology, Baotou 014010, China

4.Material and Metallurgy School, Inner Mongolia University of Science and Technology, Baotou 014010, China

5.Material and Metallurgy School, Inner Mongolia University of Science and Technology, Baotou 014010, China

6.Material and Metallurgy School, Inner Mongolia University of Science and Technology, Baotou 014010, China

7.Material and Metallurgy School, Inner Mongolia University of Science and Technology, Baotou 014010, China

基金项目: The Inner Mongolian Autonomous Region Educational Department(NJ050667)

Factors Influencing High Temperature Thermo Plasticity of BNbRE Steel at the Third Brittle Zone

Chen Lin ^1, , Liu Yuyan ^2, , Bao Xirong ^3, , Gao Michao ^4, , Zong Wei ^5, , Tian Zhongliang ^6, , Ren Huiping ^7,

1.Material and Metallurgy School, Inner Mongolia University of Science and Technology, Baotou 014010, China

2.Material and Metallurgy School, Inner Mongolia University of Science and Technology, Baotou 014010, China

3.Material and Metallurgy School, Inner Mongolia University of Science and Technology, Baotou 014010, China

4.Material and Metallurgy School, Inner Mongolia University of Science and Technology, Baotou 014010, China

5.Material and Metallurgy School, Inner Mongolia University of Science and Technology, Baotou 014010, China

6.Material and Metallurgy School, Inner Mongolia University of Science and Technology, Baotou 014010, China

7.Material and Metallurgy School, Inner Mongolia University of Science and Technology, Baotou 014010, China

Keywords： heavy rail

In view of fine cracks occurred on the surface of BNbRE continuous casting slabs for heavy rail in the practiced production, the effect of two factors, i. e. deformation temperature, deformation velocity, on thermo plasticity of BNbRE steel at the third brittle zone was quantitatively investigated on GLEEBLE-1500D thermal-mechanical simulator after measuring the RA-T curve of BNbRE steel. The results provide experimental data for optimizing the technology of continuous casting secondary cooling zone and avoiding the occurrence of fine surface cracks.

参考文献

[1]	Wu Gang.Research on corner crack of SS400M slabs[A].北京:冶金工业出版社,2001:818.
[2]	陈永.含钒微合金化重轨钢连铸二冷技术的研究[J].钢铁,2003(09):18-21,61.
[3]	肖锋,徐楚韶,赵克文,伍兵.600～1200℃温度范围内含钒低合金钢高温热塑性影响因素的研究[J].钢铁钒钛,1998(02):1.

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