通过金相分析、扫描电镜、能谱分析,同时结合热力学及动力学计算的方法,对Ni-22Cr-12Co镍基高温合金电渣重熔TiN变化行为进行研究,结果表明:在试验条件下,真空锭和电渣锭中的夹杂物均为以Al2O3为核心的TiN夹杂物；电渣重熔过程中,计算所得TiN回溶时间为1.17s;电渣重熔对去除TiN夹杂物几乎不起作用；计算所得TiN析出尺寸约为5μm,略小于试验值.
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