Magnetic and Magnetovolume Properties of the Cu_3Au Type Ordered Fe-Pt Alloys around the γ-αPhase Boundary
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概要
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Magnetization, thermal expansion and forced volume magnetostriction have been measured for Fel-*Pt* ordered alloys (x=0.23 -0.27). In the fcc alloys (x~0.25), the atomic moment and the spontaneous volume magnetostriction increase monotonically with decreasing x, implying the FchPt Invar alloys to be homogeneous and strong ferromagnets even around the y-cc phase boundary. On the other hand, the magnetic moment of the cc phase (x <0.25) is a little larger than that of the y phase, suggesting a very weak magnetic field dependence of the M* temperature. The observed large spontaneous volume magnetostriction may play an important role in determining the favorable conditions for the thermoelastic martensite transformation in the Fe-Pt alloys.
- 社団法人日本物理学会の論文
- 1981-10-15
著者
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SHIGA Masayuki
Department of Materials Science and Engineering, Kyoto University
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Nakamura Yoji
Department of mechanical and System Engineering,Ryukoku University
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Shiga Masayuki
Department Of Material Science And Engineering Kyoto University
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Nagashima Yoshihiko
Graduate School Of Frontier Sciences The Univ. Of Tokyo
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Nakashima Yousuke
Graduate School Of Energy Science Kyoto University
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Nakamura Yoji
Faculty Of Science And Technology Ryukoku University
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Sumiyama Kenji
Department of Metal Science and Technology, Kyoto University
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Emoto Yoshiaki
Hitachi Ltd.
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Nakamura Yoshimichi
Venture Business Laboratory Kyushu University
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Sumiyama Kenji
Department Of Metal Science And Technology Kyoto University
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Nakamura Yoji
Department Of Material Science And Technology Kyoto University
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Sumiyama Kenji
Department Of Material Science And Technology Kyoto University
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SUMIYAMA Kenji
Department of Frontier Materials Graduate School of Engineering, Nagoya Institute of Technology
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