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contributor authorWu, Xijia
contributor authorSeo, Dongyi
contributor authorHead, Marc
contributor authorChan, Stephen
date accessioned2019-03-17T10:57:05Z
date available2019-03-17T10:57:05Z
date copyright11/22/2018 12:00:00 AM
date issued2019
identifier issn0742-4795
identifier othergtp_141_05_052101.pdf
identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4256452
description abstractRoom-temperature fatigue tests were conducted on Ti 834 with prior creep strains accumulated under constant load at 550 °C and 600 °C, respectively. Microstructural and fractographic examinations on specimens with prior creep strain > 3% revealed the failure process consisting of multiple surface crack nucleation and internal void generation by creep, followed by fatigue crack propagation in coalescence with the internally distributed damage, leading to the final fracture. The amount of prior creep damage increased with creep strain. The fatigue life of Ti 834 was significantly reduced by prior creep straining. The behavior is rationalized with the integrated creep-fatigue theory.
publisherThe American Society of Mechanical Engineers (ASME)
titleEffect of Prior Creep Strain on High Cycle Fatigue Life of TI 834
typeJournal Paper
journal volume141
journal issue5
journal titleJournal of Engineering for Gas Turbines and Power
identifier doi10.1115/1.4041872
journal fristpage52101
journal lastpage052101-6
treeJournal of Engineering for Gas Turbines and Power:;2019:;volume( 141 ):;issue: 005
contenttypeFulltext


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