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主要综述了采用钨极氩弧焊、激光焊、钎焊与粉末冶金修复再制造等焊接方式进行高温合金精铸件的补焊的研究现状及发展趋势。总结了采用不同补焊方法时焊接工艺对焊接性能的影响。指出了今后铸造高温合金精铸件的补焊的研究方向。
The research status and development trend of repairing welding of high temperature alloy castings by TIG welding, laser welding, brazing and powder metallurgy repair and remanufacturing are reviewed in this paper. Summarizes the different welding methods welding process on the welding performance. It is pointed out that the research direction of repairing welding of casting high temperature alloy casting in the future.