The effect of humidity on friction and wear of an aluminium-silicon eutectic alloy

The sliding wear of an aluminium–silicon eutectic alloy against cast iron counterface in 3–100% relative humidity range has been investigated. The results show that the moisture content has a significant effect on the friction and wear of the Al–Si alloy. The wear rate decreases by two orders of mag...

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Bibliographic Details
Published in:Journal of materials science 1997-02, Vol.32 (3), p.821-828
Main Author: YEN, B. K
Format: Article
Language:English
Subjects:
Adhesive wear
Aluminum base alloys
Applied sciences
Cast iron
Coefficient of friction
Contact of materials. Friction. Wear
Eutectic alloys
Exact sciences and technology
Friction
Frictional wear
Humidity
Materials science
Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology
Metals. Metallurgy
Moisture content
Relative humidity
Sliding friction
Wear rate
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Summary:The sliding wear of an aluminium–silicon eutectic alloy against cast iron counterface in 3–100% relative humidity range has been investigated. The results show that the moisture content has a significant effect on the friction and wear of the Al–Si alloy. The wear rate decreases by two orders of magnitude as the relative humidity increases from 3% to 100%. At low humidity conditions adhesive wear is predominant, whilst at high humidity conditions a layer of compacted oxide–metal debris film is formed on the Al–Si slider surface, which reduces the direct metal–metal contact. The friction coefficient is maximum at 3% and 100% relative humidity conditions.
ISSN:0022-2461
1573-4803
DOI:10.1023/A:1018581028433