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对GH220合金一级涡轮叶片经过700小时台架试车后的合金组织与性能进行了全面分析,结果表明:合金组织稳定,性能良好,可继续试车。
The microstructure and properties of GH220 alloy turbine after a 700-hour bench test have been analyzed. The results show that the alloy has stable structure and good performance, and can continue the test.