Study on CCT Curve and Microstructure Evolution of a Vanadium-Containing Steel Rebar

Peng Tian; Zhi Yong Zhong; Rui Guo Bai; Xing Li Zhang; Hai Gao; Chun Liang Han; Bao Hua Wang

doi:10.4028/www.scientific.net/AMM.488-489.708

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 488-489Study on CCT Curve and Microstructure Evolution of...

Study on CCT Curve and Microstructure Evolution of a Vanadium-Containing Steel Rebar

Abstract:

The microstructure evolution and hardness change were studied for a vanadium-containing steel rebar at different cooling rates. The experimental results show that bainite and martensite gradual emerged with the increasing cooling rate and resulted in an increasing micro-hardness. Bainite or ferrite and peartite should gradually disappear when the cooling rate increased to a certain value. The cooling rate should be controlled below 10°C/s to ensure good performances. The CCT curve of HRB400E measured with the inflation method and metallographic-Hardness method could provide the theoretical basis for controlled cooling process.

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Periodical:

Applied Mechanics and Materials (Volumes 488-489)

Pages:

708-711

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.488-489.708

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Online since:

January 2014

Authors:

Peng Tian*, Zhi Yong Zhong, Rui Guo Bai, Xing Li Zhang, Hai Gao, Chun Liang Han, Bao Hua Wang

Keywords:

CCT Curve, Microstructure Evolution, Steel Rebar, Vanadium-Containing

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References

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