工业燃气轮机涡轮叶片用铸造高温合金研究及应用进展
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摘要
工业燃气轮机具有热效率高、污染低等突出优点,成为未来发电机组与大型水面舰船动力的首选设备。铸造高温合金是工业燃气轮机涡轮叶片等热端部件的关键材料,其性能和制备水平在一定程度上决定了先进燃气轮机的功率、效率、寿命等性能。本文重点综述了工业燃气轮机及其涡轮叶片用铸造高温合金材料的研究及应用现状,并对工业燃气轮机涡轮叶片用铸造高温合金及涡轮叶片制造技术的发展趋势进行了展望。未来,先进定向凝固,"材料基因工程"等技术将逐渐应用到工业燃气轮机涡轮叶片用铸造高温合金的研制中;此外,先进工业燃气轮机上定向/单晶高温合金的应用将越来越广泛。
Advanced industrial gas turbines are becoming preferred devices for worldwide power generations and large ship power in recent decades due to its outstanding advantages of high thermal efficiency and low pollution. Casting superalloy is the key material for industrial gas turbine blades in hot section components, and to a certain extent their performance and preparation level determine the levels of power, efficiency and service life of the industrial gas turbines. This paper outlines the current research and application status and shows the development trends of manufacturing technology of casting superalloy for industrial gas turbines and turbine blades. In the future, technologies such as advanced directional solidification and "materials genome engineering" will be used in the research and manufacture of casting superalloy for industrial gas turbine blades. Meanwhile, the directional and single crystal superalloy will be used more and more widely in advanced industrial gas turbines.
Advanced industrial gas turbines are becoming preferred devices for worldwide power generations and large ship power in recent decades due to its outstanding advantages of high thermal efficiency and low pollution. Casting superalloy is the key material for industrial gas turbine blades in hot section components, and to a certain extent their performance and preparation level determine the levels of power, efficiency and service life of the industrial gas turbines. This paper outlines the current research and application status and shows the development trends of manufacturing technology of casting superalloy for industrial gas turbines and turbine blades. In the future, technologies such as advanced directional solidification and "materials genome engineering" will be used in the research and manufacture of casting superalloy for industrial gas turbine blades. Meanwhile, the directional and single crystal superalloy will be used more and more widely in advanced industrial gas turbines.
引文
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[24] 李辉,任建军,楼琅洪,等.固溶处理对DSM11合金显微组织和力学性能的影响[J].钢铁研究学报,2003,15(7):212-215.LI H,REN J J,LOU L H,et al.Effect of solution treatment on microstructure and properties of DSM11 alloy[J].Journal of Iron and Steel Research,2003,15(7):212-215.
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