Analysis of Friction and Wear Mechanisms Occuring During Durability Tests of Connector Contact Pairs

Performances and reliability of connectors depend on many factors such as design and operating conditions (especially contact pressure and environment). They can be optimized with a proper choice of final coatings: gold, silver, gold flash over palladium-nickel and other layers. Numerous studies hav...

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Bibliographic Details
Main Authors: Noel, S., Oudot, A. Brezard, Leblanc, Thierry, Karam, A. Fares, Comte, D., Toran, J.
Format: Conference Proceeding
Language:English
Subjects:
adhesion
Coatings
Connectors
Contacts
durability
Electrical connector
Friction
Gold
platings
Reliability engineering
Silver
silver coatings
Surface resistance
Surface treatment
transfer
Volume measurement
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Summary:Performances and reliability of connectors depend on many factors such as design and operating conditions (especially contact pressure and environment). They can be optimized with a proper choice of final coatings: gold, silver, gold flash over palladium-nickel and other layers. Numerous studies have shown that friction and wear phenomena were a major cause of reliability issues. This paper presents an analysis of the durability of some of the usual coatings used for connectors based on the tribological properties of symmetrical and dissymmetrical configurations of contacts. Friction, wear and electrical behavior during large amplitude friction tests are compared. Additional results from a micro-friction test with a diamond sphere are presented and help to understand the role of the different wear mechanisms involved.
ISSN:2158-9992
DOI:10.1109/HOLM56222.2024.10768396