Applicability of normalized resistance rate model for predicting fatigue life and resistance evolution in composite conductive inks
Qiushi Li,
Olivier Pierron,
Antonia Antoniou
Abstract:The electrical resistance of metal-polymer conductive inks increases as they undergo cyclic loading, posing a major challenge to their reliability as interconnect materials for flexible electronic devices. To characterize an ink’s fatigue performance, extensive electro-mechanical testing is usually performed. Phenomenological models that can accurately predict the resistance increase with cyclic loading can save time and be useful in flexible conductor design against fatigue failure. One such model was recentl… Show more
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