The phase diagram of the binary Ni-Se system has been modelled by the CALPHAD approach for the first time. The modelled phase diagram is based on a known experimental phase diagram, enthalpy of formation of the NiSe phase and heat capacity of the NiSe₂ phase. All calculated data (the Ni-Se phase diagram, the standard enthalpy of mixing of the NiSe phase at 298 K and 1050 K and the heat capacity of NiSe₂ in the temperature range 298-1000 K) reveal very good agreement with the experimental results.

中文翻译：

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二元系统镍-硒的热力学描述

二元 Ni-Se 系统的相图已首次通过CALPHAD方法建模。建模的相图基于已知的实验相图、NiSe 相的形成焓和 NiSe ₂相的热容量。所有计算数据（Ni-Se 相图、NiSe 相在 298 K 和 1050 K 的标准混合焓以及 NiSe ₂在温度范围 298-1000 K的热容）与实验结果非常吻合.