Excellent mechanical properties and resistance to cavitation erosion for an ultra-low carbon CrMnN stainless steel through quenching and partitioning treatment

Ze-an Zhou; Wan-tang Fu; Zhe Zhu; Bin Li; Zhong-ping Shi; Shu-hua Sun

doi:10.1007/s12613-018-1601-z

Volume 25 Issue 5

May 2018

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Article Navigation > International Journal of Minerals, Metallurgy and Materials > 2018 > 25(5): 547-553

Ze-an Zhou, Wan-tang Fu, Zhe Zhu, Bin Li, Zhong-ping Shi, and Shu-hua Sun, Excellent mechanical properties and resistance to cavitation erosion for an ultra-low carbon CrMnN stainless steel through quenching and partitioning treatment, Int. J. Miner. Metall. Mater., 25(2018), No. 5, pp. 547-553. https://doi.org/10.1007/s12613-018-1601-z

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Ze-an Zhou, Wan-tang Fu, Zhe Zhu, Bin Li, Zhong-ping Shi, and Shu-hua Sun, Excellent mechanical properties and resistance to cavitation erosion for an ultra-low carbon CrMnN stainless steel through quenching and partitioning treatment, Int. J. Miner. Metall. Mater., 25(2018), No. 5, pp. 547-553. https://doi.org/10.1007/s12613-018-1601-z

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Research Article

Excellent mechanical properties and resistance to cavitation erosion for an ultra-low carbon CrMnN stainless steel through quenching and partitioning treatment

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Corresponding author:
Shu-hua Sun E-mail: sshh@ysu.edu.cn
Received: 14 December 2017; Revised: 12 February 2018; Accepted: 13 February 2018

Abstract

Abstract

The retained austenite content (RAC), the mechanical properties, and the resistance to cavitation erosion (CE) of the 00Cr13Mn8MoN steel after quenching and partitioning (Q&P) processing were investigated. The results show that the Q&P process affected the RAC, which reached the maximum value after partitioning at 400℃ for 10 min. The tensile strength of the steel slightly decreased with increasing partitioning temperature and time. However, the elongation and product of strength and elongation first increased and then decreased. The sample partitioned at 400℃ for 10 min exhibited the optimal property: a strength-ductility of 23.8 GPa·%. The resistance to CE for the 00Cr13Mn8MoN steel treated by the Q&P process was improved due to work hardening, spalling, and cavitation-induced martensitic transformation of the retained austenite.
- CrMnN steel;
- quenching and partitioning process;
- retained austenite;
- mechanical property;
- cavitation erosion

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References

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