Advanced laser shearography inspection of turbo-fan engine composite fan cases

Dale Lape; John W. Newman; David Craig

doi:10.1117/12.213566

7 July 1995 Advanced laser shearography inspection of turbo-fan engine composite fan cases

Dale Lape, John W. Newman, David Craig

Proceedings Volume 2455, Nondestructive Evaluation of Aging Aircraft, Airports, Aerospace Hardware, and Materials; (1995) https://doi.org/10.1117/12.213566
Event: Nondestructive Evaluation of Aging Infrastructure, 1995, Oakland, CA, United States

Abstract

Shearography inspection techniques have been developed and implemented for the inspection of aluminum honeycomb turbofan aircraft engine fan cases for the JT15D-5D. Shearography has yielded improved sensitivity to unbonds and throughput over ultrasonic techniques formerly used in the production inspection. This paper discusses vacuum stress shearography, test method verification on the JT15D-5D fan case and shearography data correlation with destructive evaluation of test parts.

Citation Download Citation

Dale Lape, John W. Newman, and David Craig "Advanced laser shearography inspection of turbo-fan engine composite fan cases", Proc. SPIE 2455, Nondestructive Evaluation of Aging Aircraft, Airports, Aerospace Hardware, and Materials, (7 July 1995); https://doi.org/10.1117/12.213566

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