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Martensitic Transformation and Magnetic Properties of Cu Ga Mn β Alloys

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Figure

Fig. 2Phase transformation behavior of the prepared Cu-Ga-Mn � alloys,where the alloys shown by open circles and crosses are those withmartensite and austenite structures at room temperature, respectively
Fig. 6(a) TEM bright-field image and (b) the corresponding SAD pattern obtained from the parent phase of Cu-21 at%Ga-14 at%Mnalloy, and (c) TEM bright-field image and (d) the corresponding SAD pattern obtained from the martensite phase of Cu-21 at%Ga-13 at%Mn alloy.
Fig. 7Magnetic properties of Cu-Ga-Mn � alloys: (a) thermomagnetiza-tion curve during heating under an external magnetic field of 8000 Am�1and (b) M-H curves of the martensite phase at �60�C and of the parentphase at 30�C for the Cu-21 at%Ga-14 at%Mn alloy, and (c) temperaturedependences on the saturation magnetization of Cu-21 at%Ga-13 at%Mnand Cu-21 at%Ga-14 at%Mn alloys.

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