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Long Time Stability of a Wrought Alloy 718 Disk
1989
Superalloys 718 Metallurgy and Applications (1989)
unpublished
Preserved Fulltext
Many of the gas turbine disks currently in operation have experienced exposures of up to 30,000 hours. Other than the early work of Barker, et al., and more recently that of Brooks and Bridges, very little has been published about the effects of longtime stresses and temperatures on microstructural stability of alloy 7 18. A gas turbine disk of alloy 718 with 28,000 hours of engine service time was used in this study. Structures at the top of the firtree and varying distances from the top were
doi:10.7449/1989/superalloys_1989_257_268
fatcat:kvjh7w7aircfhfiadgekhvfawi