日本金属学会誌

J. Japan Inst. Metals, Vol. 50, No. 12 (1986),
pp. 1023-1031

Experimental Determination of the Phase Boundaries of Intermetallic Compounds in the Ternary Fe-Cr-Mo System

Shicheng Liu1, Yoshikazu Hamaguchi2 and Hisashi Kuwano2

1Research Student, Muroran Institute of Technology, Muroran: on leave from Materials Engineering Department, Dairen Railway Institute, Dairen, People's Republic of China
2Department of Metallurgical Engineering, Muroran Institute of Technology, Muroran

Abstract:

Stable ranges concerning composition and temperature have experimentally been determined for the intermetallic compounds in the ternary Fe-Cr-Mo system. The existence of stable and intermediate R-phases in the ternary alloy is confirmed and the relation with that in the Fe-Mo binary alloy is experimentally established. The χ -phase does not exist above 1473 K (1200°C). The isothermal sections of the equilibrium phase diagram in the Fe-Cr-Mo ternary system at 1523 K (1250°C) and 1123 K (850°C), which are different in part from those shown in the literature, are proposed.


(Received 1986/6/19)

Keywords:

phase diagram, iron-chromium-molybdenum alloy, χ -phase, R-phase, intermetallic compound, X-ray diffraction


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