Compression Stability of Reversed Austenite in 9Ni Steel

J Mater Sci Technol ›› 2012, Vol. 28 ›› Issue (6): 558-561.

• Iron and Steel • Previous Articles Next Articles

Compression Stability of Reversed Austenite in 9Ni Steel

S.H. Chen, M.J. Zhao, X.Y. Li, L.J. Rong

Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China

Received:2011-07-11 Revised:2011-09-21 Online:2012-06-28 Published:2012-07-02
Contact: sheng-hu chen
Supported by:
the National Natural Science Foundation of China under Grant No. 50871110

Abstract

Abstract: The effect of compressive stress on the stability of reversed austenite in 9Ni steel was investigated by uniaxial and hydrostatic compression. It was found that the uniaxial compressive pressure promoted the γ→α transformation, while the hydrostatic pressure suppressed the γ→α transformation. The pressure dependent transformation behavior can be explained according to thermodynamic analysis.

Key words: 9Ni steel, Martensite, Reversed austenite, Hydrostatic pressure, Uniaxial compressive pressure

S.H. Chen, M.J. Zhao, X.Y. Li, L.J. Rong. Compression Stability of Reversed Austenite in 9Ni Steel[J]. J Mater Sci Technol, 2012, 28(6): 558-561.

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