volume 34, issue 9, P726-733 1994
DOI: 10.1002/pen.760340905
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Abstract: Abstract The effective flexural properties of integral skin foams (ISF), are modeled using Euler‐Bernouli beam theory along with a power law empirical equation relating the properties of a homogeneous foam to its density. The optimal density profile that maximizes the effective flexural modulus of an ISF beam of fixed overall density, and with the density constrained to lie in a given range, is continuous when the power law exponent (n) is less than 1. For n > 1, the optimal density profile is discontinuous w…

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