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Application of ultrasonic stress measurements to nondestructive evaluation of the J integral in elastic-plastic deformation

✍ Scribed by R.B. King; G. Herrmann

Publisher: Elsevier Science
Year: 1982
Tongue: English
Weight: 427 KB
Volume: 16
Category: Article
ISSN: 0013-7944
DOI: 10.1016/0013-7944(82)90151-5

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✦ Synopsis

A technique was proposed in [1] for nondestructively evaluating the J integral in cracked specimens through use of ultrasonic measurements of stress, and tested on several specimen configurations with the deformation confined to linear elastic fracture mechanics [l, 2]. In this paper the application of this procedure to the evaluation of J in the presence of elastic-plastic deformation is described. Experimental results are presented for the case of an edge-cracked panel in tension, which compare favorably with numerical predictions.

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