NICKEL-BASE ALLOY SHEET ALLOYS USED IN AEROSPACE APPLICATIONS

Abstract

Abstract: Many gas turbine components are made from nickel alloy sheet. Most are used for directing or containing gases at high temperatures and pressures where metal temperatures can be as high as 1090℃ (2000°F). These applications included combustor systems, casings and liners, transition and exhaust ducting, afterburners, and thrust reversere. Light weight components and sub-assemblies call for alloy sheet with high levels of stength and oxidation resistance. Complex component design calls for excellent ductility and ease of fabrication.The wide range of nickel alloy sheet alloys presently used in aircraft and land-based gas turbines is briefly described and typical properties presented. New sheet alloy developments, involving INCONEL~* alloys 625LCF, 718SPF and MA754, are presented including the process routes involved and material properties.

Key words: aerospace, sheet products, nickel-base alloys, INCONEL alloy 625LCF, INCONEL alloy 718SPF, INCONEL alloy MA754, low cycle fatigue, superplastic forming, oxide dispersion strengthened

J.H. Tundermann(Inco Alloys International,Inc.,Huntington,WV 25705,USA Manuscript received 26 August 1996). NICKEL-BASE ALLOY SHEET ALLOYS USED IN AEROSPACE APPLICATIONS[J]. Acta Metallurgica Sinica (English Letters), 1996, 9(6): 423-432.

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[9]	T.L. Wang 1,2) , J.T. Guo 1) , D.S. Xia 2) , Y.Wang 1) and H.C. Yang 2) 1) Institute of Metal Research, Chinese Academy of Science, Shenyang 110015,China 2) Material and Metallurgical Institute Northeastern University, Shenyang 110006,China. EFFECT OF REVERT RECYCLE TIMES ON MICROSTRUCTURE AND FATIGUE PROPERTIES IN COBALT BASE SUPERALLOY K640S [J]. Acta Metallurgica Sinica (English Letters), 1999, 12(5): 899-902.
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NICKEL-BASE ALLOY SHEET ALLOYS USED IN AEROSPACE APPLICATIONS

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