| 摘要 |
A manufacturing method for an isothermal evaporation casting process is disclosed and to design the manufacturing method for the simple atmospheric casting. The present invention can melt the Mg-Ni alloy with the aspect of totally different melting points thereof, and the other elements can be added during melting simultaneously. Through the Mg-Ni alloy with a suitable weight ratio, the eutectic alloy of Mg/Mg<SUB>2</SUB>Ni and high purified gamma-phase Mg<SUB>2</SUB>Ni can be made. Then adding other elements are to produce the composition of Mg/Ni/M. By way of the manufacturing method of the present invention, the melting equipment is simplified; and, through different manufacturing steps, the purposes of time-saving and low cost are reached; further that, a large amount of the eutectic alloy of Mg/Mg<SUB>2</SUB>Ni with different kinds of ratios of Mg, high purified gamma-phase Mg<SUB>2</SUB>Ni, or the composition of Mg/Ni/M can be obtained.
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