NDLI: Vibration-induced deterioration of tin-coated connectors studied by using a force controlled fretting bench-test

Content Provider	IEEE Xplore Digital Library
Author	Hammam, T. Kassman-Rudolphi, A. Lundstrom, P.
Copyright Year	2005
Description	Author affiliation: KIMAB, Stockholm, Sweden (Hammam, T.)
Abstract	The deterioration of tin-coated connectors caused by vibration was studied by using a new approach. In order to simulate the true contact situation during vibration, a controlled oscillating tangential force was applied on a model tin-contact, while the displacement was free to vary. This study shows that the friction and the amplitude of the tangential force acting on the contact are critical parameters for a contact subjected to vibration, since they have a significant impact on the relative slip at the contact interface. Almost any slip (>1 /spl mu/m) resulted in an increased contact resistance in the performed experiments. Initial slip caused an increase of the contact resistance, and also an increase of the contact area with a subsequent increase in friction force. The slip came to stop, as the friction force became equal to the applied tangential force. Provided the slip was stopped before the contact failed as described, a stable contact resistance was achieved despite an applied oscillating tangential force. In all other, cases the slip continued and the contact inevitably failed. With a force controlled fretting bench test the critical tangential force for a specific contact can easily be determined, and the results can be used to predict the risk for fretting corrosion.
Sponsorship	Components, Packaging and Manufacturing Technol. Soc. of the Instit. of Electr. and Electron. Eng. Inc
Starting Page	97
Ending Page	106
File Size	2080198
Page Count	10
File Format	PDF
ISBN	0780391136
DOI	10.1109/HOLM.2005.1518229
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-09-26
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Force control Vibration control Connectors Testing Corrosion Thermal force Friction Thermal expansion Contact resistance Automotive engineering
Content Type	Text
Resource Type	Article

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