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    Description

    A brief description of the progress on mechatronic multi-degree of freedom material testers developed at the US Naval Research Laboratory (US-NRL) is given to describe the enabling technology for acquiring data that encapsulate both the recoverable and the dissipative behaviors of various composite material systems under quasi-static multiaxial loading conditions. The notion of material equivalence is then explored from the perspective of the data-driven dissipative behavior of multiaxially tested composite laminates. Emphasis is given by considering the same ber within the same resins and vice versa. The e ect of di erent curing conditions is also examined. As a follow-up, an overview of a multiscale computational framework is also outlined for the purpose of introducing multiscale implications of how macro- scale behavior in terms of experimental data can yield information about the behavior of materials at lower length scales.

    Publication Notes

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    • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

    Citation

    Michopoulos, J.G.; Iliopoulos, A.P.; Steuben, J.C.; Hermanson, J.C. 2018. Multiaxial and multiscale implications of dissipative behavior of composites. IOP Conference Series: Materials Science and Engineering. 388: 1-22.

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    Keywords

    Inverse problem, optimization, data-driven methodology, multi-scale, length scale- macro scale, material characterization, material equivalence

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https://www.fs.usda.gov/treesearch/pubs/57574