Appraising the Service Life of Dangerous Engineering Equipment by Acoustic Emission Diagnosis

This article presents an analysis of trends in the development of techniques for appraising the service life of engineering equipment exposed to destruction; describes a multilevel information–kinetic diagnosing technique relying on information optimization principles, the micromechanics of destruct...

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Bibliographic Details
Published in:Journal of machinery manufacture and reliability 2020-12, Vol.49 (12), p.1072-1083
Main Author: Nosov, V. V.
Format: Article
Language:English
Subjects:
Acoustic emission
Destruction
Diagnostics
Emission analysis
Engineering
Experimental Mechanics
Machines
Manufacturing
Micromechanics
Optimization
Parameters
Processes
Service life
Structural members
Testing
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Summary:This article presents an analysis of trends in the development of techniques for appraising the service life of engineering equipment exposed to destruction; describes a multilevel information–kinetic diagnosing technique relying on information optimization principles, the micromechanics of destruction, the kinetic concept of strength, and the modeling of time dependences of acoustic emission parameters; and shows the methodological connection of this technique to the conventional experimental technique of service-life appraisal. Information-bearing multimodel diagnostic parameters are provided that are linked with the strength characteristics of the structural materials and the service life of engineering equipment on different scales. Examples of appraising the service life of various types of welded seams and structural elements of machinery and equipment are considered.
ISSN:1052-6188
1934-9394
DOI:10.3103/S1052618820120110