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应用综合分析手段对不同W、Mo、Al、Ti含量的GH220合金相的溶解、析出规律进行了研究。找出了主要合金元素对析出相的影响,进一步揭示了合金中微量相的变化规律,给出了不同热处理工艺下相的含量。为合金的研制和使用提供了重要依据。
The dissolution and precipitation regularity of GH220 alloy with different contents of W, Mo, Al and Ti were studied by comprehensive analysis. The influence of the main alloying elements on the precipitated phase was found, the variation regularity of the micro phase in the alloy was further revealed, and the content of the phase in different heat treatment processes was given. It provides an important basis for the research and application of the alloy.