Program Comments

Date
1981-09-01
Authors
Buckley, Michael
Moyzis, J.
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Altmetrics
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Abstract

I just want to give you a little history because I think we tend to forget where we started from, not that many years ago, in this technology and what led up to the approach which is described in the film. I think this program really had its origins in the Air Force. 1970 to 1972 was a good period, particularly 1970, when you had the crash of the F111 and a major increase in concern about the safety of aircraft structures. A lot of things changed and, basically, what happened was that there was the recognition that nondestructive evaluation or nondestructive inspection had to change from simply the problem of detection to the problem of measurement in order to incorporate fracture mechanics into life prediction. It changed from a zero-defects philosophY to a damage-tolerant philosophy.

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Nondestructive Evaluation
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