The present study was carried out in an attempt to examine what factors affect the activity curves of molten alloys showing the tendency to two-phase liquid separation.
(1) It was revealed that the tendency to two-phase liquid separations in two concentration ranges becomes larger as the electric resistance of the base-element increases.
(2) It was also found that the tendency to the phase separation is governed by the condition that the component of higher atomic number has a lower melting point.
(3) From the relationship of the volume of mixing with the two-liquid separation tendency, it was concluded that the inflection point of liquidus, maximum or minimum melting point in solid solution, maximum solid solubility limit, eutectic or monotectic point and compound are the important factors for solution behavior.
(Received June 8, 1974)
* Department of Metallurgy, Faculty of Engineering, Nagoya University, Nagoya 464, Japan.
© 2002 The Japan Institute of Metals
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