NASA NTRS · 19850000230
Detecting Cracks in Rough Metal Surfaces
Abstract
Test based on eddy-current probe technique identifies cracks in swaged metals. Hinged collar with spring-loaded latch holds probe in place on part tested. For repeated measurements on same or similar parts, collar loosened and moved to various measuring positions. Method suitable for many kinds of metal parts, including swaged fittings, tubing, and pipes. Used for rapid crack/no-crack determinations in suspect parts already installed.
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Zuver, N. T., Sugg, F. E., Stuckenberg, F. H., Morrissey, E. T.. 1985-10-01. Detecting Cracks in Rough Metal Surfaces. https://ntrs.nasa.gov/citations/19850000230
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