用热分析法研究了Al-Cu-Ag体系中Al-Al_2Cu-Ag_2Al角的液相限。本体系属共晶类型。三元共晶点的温度为500℃,组成(wt-％)分别是Al(40),Cu(19.3),Ag(40.7)。
Thermal analytical study of the liquidus of Al-Al_2Cu-Ag_2Al corner in the phase diagram of Al-Cu-Ag system was made if possible to ascertain a suitable fillet metal in Al brazing at medium temperature range. The system belongs to a eutectic type. The composition of the eutectic point is: Al 40.0%, Cu 19.3%, Ag 40.7% and its temperature 500℃. A phase diagram has been figured.
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