What is BS EN 15495 - Zone location of AE sources about?
BS EN 15495 discusses non-destructive testing for acoustic emission.
The objective of AE testing is to provide 100 % volumetric testing to define and grade zones of the structure which are acoustically active with burst type AE.
The method is regarded as supplementary to planar location. The method described in BS EN 15495 identifies the need for further evaluation or follow-up by other NDT in localized zones.
Note: Zone location may also be applied in such cases where location of AE sources by planar location procedures according to EN 14584 is not possible.
Who is BS EN 15495 - Zone location of AE sources for?
BS EN 15495 on Zone location of AE sources is useful for:
- Local authorities
- Acoustic emission testing personnel
- Engineers
- Manufacturers of metallic pressure equipment
- Quality control personnel
- Health and safety bodies
Why should you use BS EN 15495 - Zone location of AE sources?
The Acoustic emission (AE) test identifies, and monitors zones of high acoustic emission activity and intensity caused by phenomena, e.g., crack growth and yielding, generated by the applied load to the equipment.
The purpose of BS EN 15495 is to describe the methods for conducting an acoustic emission (AE) examination of metallic pressure equipment during acceptance pressure testing using a zone location procedure. The properties and structural state of the material, the type and magnitude of the applied stress, and stress rate are significant factors affecting the emission.
The test described in BS EN 15495 ensures that AE data is collected during pressurisation, is free from extraneous noises and without significant event overlap.
BS EN 15495 provides guidance on the attenuation measurements that are performed on the structure to determine the maximum sensor spacing. BS EN 15495 contributes towards health and safety of personnel working in high-noise areas.
