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Phase Stability and Magnetic Properties of E21-(Co, Ni)3AlC Based Alloys

Published online by Cambridge University Press:  11 February 2011

Yoshisato Kimura ,
Kaoru Iida  and
Yoshinao Mishima
Yoshisato Kimura
Affiliation:
also Fellow of PREST, Japan Science and Technology Co., Kawaguchi, Saitama 332–0012, JAPAN
Kaoru Iida
Affiliation:
Graduate student now with Konica Co., Tokyo, JAPAN.
Yoshinao Mishima
Affiliation:
Materials Science and Engineering, Tokyo Institute of Technology, Yokohama 226–8502, JAPAN.
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Abstract

Phase stability of E21 (Co, Ni)3AlC was investigated from the viewpoint of magnetic properties in the Co-Ni-Al-C quaternary system. Isotherms of the Co-Al-C and Ni-Al-C ternary systems at 1373 K were revised and evaluated by means of electron probe microanalysis. Magnetic properties measurement revealed that discontinuity appearing on the chemical concentration dependence of Curie temperature and saturation magnetization of E21 (Co,Ni)3AlC indicates the existence of two types of E21 phase in the Co-Ni-Al-C quaternary system.

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References

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