Performance of a machine augmented composite
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An advanced machine augmented composite was fabricated and tested. This composite is composed of rigid Polyurethane machines with pre-buckled walls as a reinforcement and soft polyurethane as a matrix. Dynamic properties of the composite were measured in the frequency of 0.1 -100 Hz range at room temperature by load-controlled cyclic testing. Measured tan 5 values and loss modulus showed noticeably higher values than the matrix did at the frequency range of 0.1-40 Hz.
author list (cited authors)
Kim, J., Creasy, T. S., Hawkins, G. F., & O'Brien, M. J.