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Analysis of Crack Growth in Compressor Blade Root Subjected to Fatigue
Thomre Muktai,
Published in Springer International Publishing
Pages: 109 - 113

In the current study, experiments are performed on the aero-engine compressor blade model which is fastened to the disc using dovetail joint. Using the technique of photoelasticity, the highly stressed zone is found to be at the interface of the disc and the blade. Cyclic loading is then applied to the disc-blade assembly. Initial experimental observations showed formation of small cracks leading to crack growth and subsequent failure. In this region, a small crack is put and then the growth of crack during cyclic loading is studied till the failure of the specimen. The variation of stress intensity factor with respect to crack length and the number of cycles is evaluated for crack perpendicular to the contact length. © 2020, Society for Experimental Mechanics, Inc.

About the journal
JournalData powered by TypesetConference Proceedings of the Society for Experimental Mechanics Series
PublisherData powered by TypesetSpringer International Publishing
Open AccessNo