Development of Ti-Microalloyed 600 MPa Hot Rolled High Strength Steel |
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| Authors: | YI Hai-long LIU Zhen-yu WANG Guo-dong WU Di |
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| Affiliation: | State Key Laboratory of Rolling and Automation,Northeastern University,Shenyang 110004,Liaoning,China |
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| Abstract: | A high strength steel with yield strength on the order of 600 MPa was developed successfully with only addition of titanium alloying element based on a low-carbon steel.The results showed that the hot deformation accelerated ferrite and pearlite transformation and retarded bainite transformation under continuous cooling condition.The microstructure of this steel was mainly composed of fine grained ferrite and carbides distributing along the ferrite grain boundaries.The yield and tensile strengths of steels ... |
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| Keywords: | hot rolled high strength steel TMCP(thermomechanical control process) precipitate carbide |
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