Study on CCT Curve and Microstructure Evolution of HRB500E

Peng Tian; Zhi Yong Zhong; Rui Guo Bai; Xing Li Zhang; Quan Li Wang; Hai Gao; Jun Fen Zhang

doi:10.4028/www.scientific.net/AMM.470.699

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 470Study on CCT Curve and Microstructure Evolution of...

Study on CCT Curve and Microstructure Evolution of HRB500E

Abstract:

The microstructure evolution and hardness change were studied for vanadium containing high strength seismic rebar HRB500E at different cooling rates. The experimental results showed that bainite and martensite gradual emerged with the increasing cooling rate and resulted in an increasing micro-hardness. The cooling rate should be controlled at 0.5°C/s to 7°C/s to ensure good performances of steel rebar. The CCT curve of HRB500E 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 (Volume 470)

Pages:

699-702

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.470.699

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Online since:

December 2013

Authors:

Peng Tian*, Zhi Yong Zhong, Rui Guo Bai, Xing Li Zhang, Quan Li Wang, Hai Gao, Jun Fen Zhang

Keywords:

CCT Curve, HRB500E, Microstructure Evolution, Vanadium-Containing

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* - Corresponding Author

References

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[3] C. F. Yang: Proceedings of International Seminar on Production and Application of High Strength Seismic Grade Rebar Containing Vanadium (China, June 23, 2010). Vol. 1, p.58.

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