The Influence of Humidity on the Fretting Wear of Steel Surfaces Using Thin Layer Activation

It is generally known that the humidity in the surrounding atmosphere influences wear processes in general. For fretting wear several authors examined the influence of humidity on the wear scar morphology and the composition of the wear debris. No agreement between the different results has been fou...

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Bibliographic Details
Published in:Journal of tribology 1997-10, Vol.119 (4), p.840-845
Main Authors: De Baets, P, Kalacska, G, Strijckmans, K
Format: Article
Language:English
Subjects:
Applied sciences
Bearings, bushings, rolling bearings
Contact of materials. Friction. Wear
Drives
Exact sciences and technology
Mechanical engineering. Machine design
Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology
Metals. Metallurgy
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Summary:It is generally known that the humidity in the surrounding atmosphere influences wear processes in general. For fretting wear several authors examined the influence of humidity on the wear scar morphology and the composition of the wear debris. No agreement between the different results has been found, yet. In the present study, a distinction is made between running-in and steady-state fretting wear. Especially for the running-in stage, the influence of the humidity in ambient air on the friction and wear behavior and material transfer of steel surfaces subjected to contact vibrations has been investigated. The fretting experiments were conducted with a spherical against a flat specimen under gross-slip regime. The fretting wear and accompanying material transfer between the contacting specimens quantitatively are measured with Thin Layer Activation method. It has been observed that high ambient humidity has a beneficial influence on the running-in fretting wear of steel surfaces. It has also been found that the results of several authors concerning the influence of humidity on the fretting wear of steel have to be treated with great care, as classical wear measuring techniques can give erroneous wear results.
ISSN:0742-4787
1528-8897
DOI:10.1115/1.2833894