The structures and phase compositions of a series of refractory alloys of the Co – Al – Mo – Nb system (the cobalt angle) are studied by differential scanning calorimetry (DSC) and scanning microscopy. The effect of the contents of niobium and molybdenum on the phase composition and the temperature boundaries of the range of existence of the Co3(Al, Mo, Nb) intermetallic phase are determined.

中文翻译：

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Co-Al-Mo-Nb系难熔合金的组织和相组成

通过差示扫描量热法 (DSC) 和扫描显微镜研究了一系列 Co-Al-Mo-Nb 系（钴角）难熔合金的结构和相组成。确定了铌和钼的含量对Co3(Al、Mo、Nb)金属间相存在范围的相组成和温度边界的影响。