Motion triggered contact insufficiency
- Motion triggered contact insufficiency
Motion triggered contact insufficiency (MTCI) describes the effect of increased contact resistance occurring during or after mechanical stress or movement of an electrical contact system, sometimes appearing after a considerable amount of use, independent of electric current, difficult to detect due to temporary nature.
It covers effects related to:
* fretting corrosion, a wear-off of the contacting surface
* passivation
* rolling of contacts
* contamination
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