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THERMODYNAMICS OF MARTENSITIC TRANSFORMATION IN β-Cu BASE ALLOYS
作者姓名:T.Y.Hsu
作者单位:Department of
摘    要:An approach for the thermodynamics of the thermoelastic martensitic transformation in β-Cu base alloys is suggested.Driving forces for martensitic transformation,T_0 and M_s tempera- tures in Cu-Zn,Cu-Al and Cu-Zn-Al alloys were calculated and the calculated M_s are in good agreement with the experimental ones.Ordering of the parent phase lowers M_s(T_0)in Cu-Zn and Cu-Zn-Al alloys,but raises M_s(T_0)in Cu-Al alloys.Two methods for the es- timation of the critical driving force for the thermoelastic martensitic transformation are also introduced.

关 键 词:β-Cu  base  alloy  martensitic  transformation  thermodynamics
收稿时间:1991-12-25
修稿时间:1991-12-25

THERMODYNAMICS OF MARTENSITIC TRANSFORMATION IN β-Cu BASE ALLOYS
T.Y.Hsu.THERMODYNAMICS OF MARTENSITIC TRANSFORMATION IN β-Cu BASE ALLOYS[J].Acta Metallurgica Sinica(English Letters),1991,4(6):401-406.
Authors:XU Zuyao  ZHOU Xiaowang
Affiliation:XU Zuyao (T.Y.Hsu) ZHOU Xiaowang~ Department of Materials Science,Shanghai Jiaotong University,Shanghai,China Now at Department of Materials Strength (Department No.),Shanghai Research Institute of Materials,Shanghai,China
Abstract:An approach for the thermodynamics of the thermoelastic martensitic transformation in β-Cu base alloys is suggested.Driving forces for martensitic transformation,T_0 and M_s tempera- tures in Cu-Zn,Cu-Al and Cu-Zn-Al alloys were calculated and the calculated M_s are in good agreement with the experimental ones.Ordering of the parent phase lowers M_s(T_0)in Cu-Zn and Cu-Zn-Al alloys,but raises M_s(T_0)in Cu-Al alloys.Two methods for the es- timation of the critical driving force for the thermoelastic martensitic transformation are also introduced.
Keywords:β-Cu base alloy  martensitic transformation  thermodynamics
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