Enabling contactless rapid on-demand debonding and rebonding using hysteresis heating of ferrimagnetic nanoparticles
2021
Abstract Rapid and contactless on-demand debonding and rebonding of high-strength joints is a promising solution for quick attachment, repairs, disassembly, and recycling of structural systems. Herein we show that rapid and contactless on-demand debonding and rebonding can be achieved by incorporating ferrimagnetic iron oxide nanoparticles (Fe3O4) into poly(ethylene-methacrylic acid) (EMAA). When subjected to an external alternating magnetic field, the ferrimagnetic nanoparticles generate localized heat which melt the EMMAA, resulting in quick (
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