SYMPOSIA PAPER Published: 01 January 1991
STP19090S

Acoustic Emission Detection of Crack Presence and Crack Advance During Flight

Source

Results are presented which show that it is possible to detect crack growth and crack presence in airframe components during flight. To accomplish this, a data acquisition system has been developed specifically for in-flight applications. It is shown that crack advance of less than 1 mm2 was readily detected during flight and the fracture-related acoustic emission signals unambiguously identified.

Author Information

McBride, SL
Pollard, MD
MacPhail, JD
Bowman, PS
Peters, DT
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Details
Developed by Committee: E07
Pages: 146–155
DOI: 10.1520/STP19090S
ISBN-EB: 978-0-8031-5160-4
ISBN-13: 978-0-8031-1389-3