Engineering:Motion-triggered contact insufficiency
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Revision as of 10:00, 5 August 2021 by imported>PolicyEnforcerIA (attribution)
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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