Automated Source Identification Using Modal Acoustic Emission
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Begun in 1973, the Review of Progress in Quantitative Nondestructive Evaluation (QNDE) is the premier international NDE meeting designed to provide an interface between research and early engineering through the presentation of current ideas and results focused on facilitating a rapid transfer to engineering development.
This site provides free, public access to papers presented at the annual QNDE conference between 1983 and 1999, and abstracts for papers presented at the conference since 2001.
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Abstract
As defense budgets are reduced, military aircraft are being flown well beyond their expected lifetimes. An example of this is the Boeing B-52 bomber. Introduced in 1954, the B-52 is still one of the Air Force’s primary bomber aircraft, as evidenced in Desert Storm. Currently, it is expected to fly until the year 2024, well past is original design goal. Because of this extended duty, fatigue crack growth in the airframe has become a concern, and methods to detect these defects are being implemented.