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Experimental study on Ti+Nb bearing ultra-low carbon bake hardening sheet steel hot-rolled in the ferrite region |
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| Authors: | Ji-ping Chen Yong-lin Kang Ying-min Hao Guang-ming Liu Ai-ming Xiong School of Materials Science Engineering University of Science Technology Beijing Beijing China The State Key Laboratory for Advanced Metals Materials China Steel Research Institute of Shougang Beijing China |
| Affiliation: | Ji-ping Chen1),Yong-lin Kang1,2),Ying-min Hao1),Guang-ming Liu3),Ai-ming Xiong3) 1) School of Materials Science , Engineering,University of Science , Technology Beijing,Beijing 100083,China 2) The State Key Laboratory for Advanced Metals , Materials,China 3) Steel Research Institute of Shougang,Beijing 100041,China |
| Abstract: | A Ti+Nb bearing ultra-low carbon bake hardening sheet steel hot-rolled in the conventional austenite region and in the ferrite region with lubrication was experimentally studied.Subsequent cold rolling and continuous annealing processes were also conducted.The results show that microstructures of ultra-low carbon bake hardening hot strips at room temperature are basically irregular polygonal ferrites.The yield strength,ultimate tensile strength,n value,and r value of the No.2 specimen hot-rolled in the ferr... |
| Keywords: | ultra low carbon steel bake hardening texture microstructure mechanical properties |
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