日本金属学会誌

J. Japan Inst. Metals, Vol. 45, No. 4 (1981),
pp. 341-346

Effect of Magnetic Transition on the Solubility of Alloying Elements in Cobalt

Takemori Takayama1, Myeong Yong Wey2 and Taiji Nishizawa1

1Department of Materials Science, Faculty of Engineering, Tohoku University, Sendai
2Graduate School, Tohoku University, Sendai

Abstract:

Solubility of Al, Ti, Mo and W in fcc Co was determined by X-ray diffraction and micro-probe analysis. It was observed that the solubility of these elements was reduced considerably near and below the Curie temperature. The reduction was conspicuous for the alloying elements which reduced the Curie temperature effectively. These results were similar to those found in bcc Fe alloys. Thermodynamic analysis was performed on the solubility data, taking into account the effect of magnetic transition on the free energy of fcc Co-X solid solution.


(Received 1980/09/3)

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