The phase equilibria in the Ni-Al-Bi ternary system at 800 and 1000 °C were experimentally determined by x-ray diffraction and electron probe microanalysis. The results show that: Bi is almost insoluble in any Ni-Al compounds and (Ni) phase. There are five and four three-phase regions existing in the isothermal section at 800 and 1000 °C, respectively. The Ni-Al binary compounds are all in equilibrium with the liquid phase in these two isothermal sections. No ternary compound was found at 800 and 1000 °C.

中文翻译：

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Ni-Al-Bi三元体系中的相平衡

通过X射线衍射和电子探针显微分析，通过实验确定了Ni-Al-Bi三元体系在800和1000°C下的相平衡。结果表明：Bi几乎不溶于任何Ni-Al化合物和（Ni）相。等温区分别在800和1000°C下存在五个和四个三相区域。在这两个等温区中，Ni-Al二元化合物均与液相处于平衡状态。在800和1000°C下未发现三元化合物。