Bi-Gaussian stratified effect of rough surfaces on acoustic emission under a dry sliding friction

Bi-Gaussian stratified effect of rough surfaces on acoustic emission under a dry sliding friction Bi-Gaussian stratified theory is introduced into the field of acoustic emission (AE). A deterministic AE RMS model under a sliding friction is established referring to the existing Fan's statistical model. The Johnson and the modified Pawlus approaches are performed on real worn surfaces, yielding non-Gaussian and bi-Gaussian reconstructed surfaces. The deterministic model is applied to the above surfaces, finding that the bi-Gaussian stratified characteristic is close to a real sliding friction. The superiority of the modified Pawlus reconstruction approach is revealed. With respect to the improper assumption of Fan's model on the Gaussian distribution, a further investigation on re-establishing a bi-Gaussian statistical AE model under a sliding friction is expected. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Tribology International Elsevier

Bi-Gaussian stratified effect of rough surfaces on acoustic emission under a dry sliding friction

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Publisher
Elsevier
Copyright
Copyright © 2017 Elsevier Ltd
ISSN
0301-679X
eISSN
1879-2464
D.O.I.
10.1016/j.triboint.2017.11.010
Publisher site
See Article on Publisher Site

Abstract

Bi-Gaussian stratified theory is introduced into the field of acoustic emission (AE). A deterministic AE RMS model under a sliding friction is established referring to the existing Fan's statistical model. The Johnson and the modified Pawlus approaches are performed on real worn surfaces, yielding non-Gaussian and bi-Gaussian reconstructed surfaces. The deterministic model is applied to the above surfaces, finding that the bi-Gaussian stratified characteristic is close to a real sliding friction. The superiority of the modified Pawlus reconstruction approach is revealed. With respect to the improper assumption of Fan's model on the Gaussian distribution, a further investigation on re-establishing a bi-Gaussian statistical AE model under a sliding friction is expected.

Journal

Tribology InternationalElsevier

Published: Mar 1, 2018

References

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