Observations of acoustic emission activity during gear defect diagnosis

It is widely recognised that acoustic emission (AE) is gaining ground as a non-destructive technique (NDT) for health diagnosis on rotating machinery. The source of AE is attributed to the release of stored elastic energy that manifests itself in the form of elastic waves that propagate in all direc...

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Bibliographic Details
Published in:NDT & E international : independent nondestructive testing and evaluation 2003-10, Vol.36 (7), p.471-477
Main Authors: Toutountzakis, Tim, Mba, David
Format: Article
Language:English
Subjects:
Acoustic emission
Analysing. Testing. Standards
Applied sciences
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Gear defect diagnosis
Industrial metrology. Testing
Materials science
Materials testing
Mechanical engineering. Machine design
Metals. Metallurgy
Micro-pitting
Non-destructive testing: methods and equipments
Nondestructive testing
Nondestructive testing: ultrasonic testing, photoacoustic testing
Physics
Pitting
Testing for defects
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Summary:It is widely recognised that acoustic emission (AE) is gaining ground as a non-destructive technique (NDT) for health diagnosis on rotating machinery. The source of AE is attributed to the release of stored elastic energy that manifests itself in the form of elastic waves that propagate in all directions on the surface of a material. These detectable AE waves can provide useful information about the health condition of a machine. This paper reports on part of an ongoing experimental investigation on the application of AE for gear defect diagnosis. Furthermore, the possibility of monitoring gear defects from the bearing casing is examined. It is concluded that AE offers a complimentary tool for health monitoring of gears.
ISSN:0963-8695
1879-1174
DOI:10.1016/S0963-8695(03)00063-X