Sangmin M. Lee

Jun 3, 2023 | biorxiv.org | Ross C. Bretherton |Justin Decarreau |Sangmin M. Lee |Rubul Mout

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Apr 24, 2023 | link.aps.org | Richard Weaver |Sangmin M. Lee

Abstract The contact stiffness of an aluminum bead confined between two slabs diminishes upon mechanical conditioning, and then recovers as log(t) after the conditioning ceases. Here that structure is evaluated for its response to transient heating and cooling, with and without accompanying conditioning vibrations. It is found that, under heating or cooling alone, stiffness changes are mostly consistent with temperature-dependent material moduli; there is little or no slow dynamics.