Abstract
An exploratory investigation was conducted to evaluate the applicability of state-of-the-art eddy current nondestructive evaluation techniques to the characterization of applied and residual stresses in structural steels. Eddy current response versus stress measurements were developed for ASTM Type A533B and A471 steels under tensile, bending and residual stress loading conditions. A “shrink fit” specimen was used to establish applicability to residual stresses. Results show that an eddy current approach can be used to provide an accurate quantitative measure of surface stresses. The technique can also be used to map surface stress contours. Details of the procedure are described along with the test results and proposed applications. Recommendations for further work needed to optimize and expand the technique are included.
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References
C.O. Rudd, “Review and Evaluation of Nondestructive Methods for Residual Stress Measurement,” EPRI Research Report NP-1971, September 1981.
C.O. Rudd, “A Review of Nondestructive Methods for Residual Stress Measurement,” Journal of Metals, July 1981, pp. 35–40.
C.O. Rudd, “A Review of Selected Nondestructive Methods for Residual Stress Measurement,” NDI International, February 1982, Vol. 15, No. 1, pp. 15–23.
L. Mordfin, “Measurement of Residual Stresses: Problems and Opportunities,” presented at the ASM Conference on Residual Stress for Designers and Metallurgists, April 9–10, 1980.
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© 1983 Plenum Press, New York
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Junker, W.R., Clark, W.G. (1983). Eddy Current Characterization of Applied and Residual Stresses. In: Thompson, D.O., Chimenti, D.E. (eds) Review of Progress in Quantitative Nondestructive Evaluation. Library of Congress Cataloging in Publication Data, vol 2A. Springer, Boston, MA. https://doi.org/10.1007/978-1-4613-3706-5_82
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DOI: https://doi.org/10.1007/978-1-4613-3706-5_82
Publisher Name: Springer, Boston, MA
Print ISBN: 978-1-4613-3708-9
Online ISBN: 978-1-4613-3706-5
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