由于电厂大型燃气涡轮机市场需求不断扩大,导致了高效低成本大型机组的剧烈竞争,其结果是单晶一类先进高温合金被用于新型机组.根据航空涡轮发动机与电厂燃气涡轮机(UGT)在尺寸、运转环境和负载要求方面的重大差异,讨论了UGT叶片和导向叶片用单晶合金的成分、力学性能和抗氧化与热腐蚀性能.
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