ASTM E 1139 - 97. Standard Practice for Continuous Monitoring of Acoustic Emission from Metal Pressure Boundaries

American Society for Testing and Materials (ASTM). 1997, 6 pages.
This practice provides guidelines for continuous monitoring of acoustic emission (AE) from metal pressure boundaries in industrial systems during operation. Examples are pressure vessels, piping, and other system components which serve to contain system pressure. Pressure boundaries other
than metal, such as composites, are specifically not covered by this document