Acoustic Emission in Friction
A special issue of Lubricants (ISSN 2075-4442).
Deadline for manuscript submissions: closed (31 May 2023) | Viewed by 2949
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Special Issue Editor
Special Issue Information
Dear Colleagues,
Acoustic emissions (AEs) refer to the transient mechanical waves (ultrasound) produced by the release of elastic energy from irreversible processes occurring in materials under stress. In sliding contacts, AE can be generated from sources associated with various tribological mechanisms, e.g., interfacial plastic deformation, cracks propagation, material transfers, and allotropic transformations.
One challenge in tribology is in obtaining access to the blinded sliding interface. AE technique is a noninvasive and promising technique that could potentially lead to major breakthroughs in the field of friction, wear, and lubrication. Presently, thanks to AE device acquisition rate and calculation capabilities, in situ and real-time monitoring of tribological mechanisms seems attainable. However, this objective needs clearer relationships to be established between tribological mechanisms and AE signals using qualitative or quantitative correlations among AE parameters and tribological, innovative experimental setups and data processing.
For the current Special Issue, “Acoustic Emission in Friction”, original papers dealing with AEs of tribological systems are welcomed. This Special Issue aims to bring new insights concerning in situ measurement in the field of tribology.
Dr. Malik Yahiaoui
Guest Editor
Manuscript Submission Information
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Keywords
- acoustic emission
- adhesive wear
- abrasive wear
- adhesion
- ploughing
- cutting
- allotropic transformation
- third body approach
- interfacial rheology
- tribological surface transformation
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