J.H. Tundermann(Inc. Alloys International
,
Inc.
,
Huntington
,
WV 25705
,
USA Manuscript received 26 August 1996)
金属学报(英文版)
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.
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