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目的 研究合金元素在 GH91 58合金各析出相中的分配及浓度的变化规律 .方法 采用电解萃取相分析方法 .结果 测定和计算了不同时效温度下析出相的类型、数量、组成结构 .结论 析出相 M6 C,Laves在 ( 72 0～ 82 0 )℃时效过程中是稳定的
OBJECTIVE To study the distribution and concentration variation of alloying elements in each precipitated phase of GH91 58 alloy.METHODS The method of electrolytic extraction and phase analysis was used.Results The type, amount and composition of the precipitates were determined and calculated at different aging temperatures.Conclusion The precipitates M6 C, Laves in the (72 0 ~ 82 0) ℃ aging process is stable