| NICKEL-BASED ALLOYS IN GE AIRCRAFT TURBINES：PAST,PRESENT ＆ FUTURE |
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| 作者姓名： | D. Chang R. Schafrik |
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| 作者单位： | GE Aircraft Engines, Cincinnati, OH 45241, USA |
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| 摘 要： | 1. Introduction Freedom to travel anywhere in the world, both quickly and inexpensively, defines our modern era. Despite year-to-year variation, the long term demand for travel by airplane continues to grow. Three ma- jor systems comprise the modern airplane: the aircraft structure that encompasses the fuselage, wings, and landing gear; the avionics that enable flight through crowded skies in nearly all weather conditions; and the propulsion system that powers the aircraft. Improvements in mat…
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| 关 键 词： | 航行器 涡轮 镍合金 力学性能 显微组织 发动机 |
| 收稿时间： | 2005-09-02 |
NICKEL-BASED ALLOYS IN GE AIRCRAFT TURBINES: PAST, PRESENT & FUTURE |
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| D. Chang R. Schafrik.NICKEL-BASED ALLOYS IN GE AIRCRAFT TURBINES: PAST, PRESENT & FUTURE[J].Acta Metallurgica Sinica(English Letters),2005,18(5):561-574. |
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| Authors: | D Chang and R Schafrik |
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| Affiliation: | GE Aircraft Engines, Cincinnati, OH 45241, USA |
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| Abstract: | Improvements in materials have been critical to advances in the propulsion system. Over the past 50 years, many improvements have been made to nickel-based superalloys to satisfy design requirements; several key developments will be highlighted. Today, millions of pounds of superalloys are annually produced for use in turbine blades, vanes, disks, cases, and frames throughout the engine. Looking to the future, several themes emerge, although predicting the future is inherently risky. |
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| Keywords: | jet engine nickel superalloy |
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