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Proceedings Paper

Acoustic emission for detection of process-related damage in pressure vessels and piping
Author(s): Martin Peacock
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Paper Abstract

Although acoustic emission testing is generally grouped with other nondestructive evaluation techniques (NDE) such as magnetic particle testing, it differs fundamentally in the way it detects defects. While common NDE methods seek to illuminate a defect using some sort of energy source, acoustic emission detects deformation processes as they occur. That is to say, only so called 'active' cracks are detected. In other words, acoustic emission testing is sensitive to sharp, process related defects and insensitive to fabrication or other blunt defects at normal service or test loads. It is this property, sensitivity to service related damage, that makes AE a good candidate for detection and monitoring of inservice equipment.

Paper Details

Date Published: 14 November 1996
PDF: 9 pages
Proc. SPIE 2947, Nondestructive Evaluation of Utilities and Pipelines, (14 November 1996); doi: 10.1117/12.259158
Show Author Affiliations
Martin Peacock, Matrix Inspection and Engineering Inc. (United States)


Published in SPIE Proceedings Vol. 2947:
Nondestructive Evaluation of Utilities and Pipelines
Martin Prager; Richard M. Tilley, Editor(s)

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