Compression Stability of Reversed Austenite in 9Ni Steel

材料科学技术（英）, 2012, 28(6): 558-561.

Compression Stability of Reversed Austenite in 9Ni Steel

^1, , ^2, , ^3, , ^4,

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

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

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

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

关键词：逆转奥氏体 , 压缩应力 , 9Ni钢 , 稳定性 , 压缩压力 , 热力学分析 , 静水压力 , 相变行为

Compression Stability of Reversed Austenite in 9Ni Steel

S.H. Chen ^1, , M.J. Zhao ^2, , X.Y. Li ^3, , L.J. Rong ^4,

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

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

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

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

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

The effect of compressive stress on the stability of reversed austenite in gNi steel was investigated by uni- axial and hydrostatic compression. It was found that the uniaxial compressive pressure promoted the Υ-α transformation, while the hydrostatic pressure suppressed the -Υ-α transformation. The pressure dependent transformation behavior can be explained according to thermodynamic analysis.

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Compression Stability of Reversed Austenite in 9Ni Steel

Compression Stability of Reversed Austenite in 9Ni Steel

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