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Can acoustic emission detect the initiation of fatigue cracks: Application to high-strength light alloys used in aeronauticsAcoustic emission was used for the detection of fatigue cracking in a number of high-strength light alloys used in aeronautical structures. Among the features studied were: the influence of emission frequency, the effect of surface oxidation, and the influence of grains. It was concluded that acoustic emission is an effective nondestructive technique for evaluating the initiation of fatigue cracking in such materials.
Document ID
19780018550
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Bathias, C. (NASA Headquarters Washington, DC United States)
Brinet, B. (NASA Headquarters Washington, DC United States)
Sertour, G. (NASA Headquarters Washington, DC United States)
Date Acquired
September 3, 2013
Publication Date
June 1, 1978
Subject Category
Structural Mechanics
Report/Patent Number
NASA-TM-75306
Report Number: NASA-TM-75306
Accession Number
78N26493
Funding Number(s)
CONTRACT_GRANT: NASW-2790
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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