1980•University of North Texas Digital Library (University of North Texas)Open access

Acoustic emission. Flaw relationship for in-service monitoring of nuclear pressure vessels

P.H. Hutton, R.J. Kurtz

Abstract

Acoustic emission (AE) testing has the potential of being a valuable NDI method with capability for continuous monitoring, high sensitivity, and remote flaw location. Tests of the method were carried out on ASTM A533 Grade B, Class 1 steel. Crack growth AE signals could be recognized. An AE/fracture mechanics relation was developed for flaw interpretation. Two intermediate vessel tests at ORNL under the HSST program were analyzed. A simulated reactor vessel test and installation of an AE sensing system on a reactor are planned. (DLC)

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Key concepts: Acoustic emission, Pressure vessel, Service (business), Acoustics, Environmental science, Materials science, Forensic engineering, Business