Abstract
An experimental method is presented for the rapid evaluation of structured solids with microelastic degrees of freedom associated with the microstructure. By contrast with earlier methods based on size effect studies, the present method makes use of a single specimen subjected to holographic interferometry. Results are presented for polymethyl methacrylate and for a dense polyurethane foam, which in previous studies were demonstrated to behave, respectively, as classically elastic and Cosserat solids.
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Lakes, R.S., Gorman, D. & Bonfield, W. Holographic screening method for microelastic solids. J Mater Sci 20, 2882–2888 (1985). https://doi.org/10.1007/BF00553052
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DOI: https://doi.org/10.1007/BF00553052