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Creators/Authors contains: "Barrett, Connor"

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  1. ; ; ; ; ; ; (, Physical Review E)
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  2. ; ; ; ; ; (, Journal of Applied Polymer Science)
    ABSTRACT Shape transformation upon annealing of fused filament fabrication additively manufacturing structures is investigated as a one‐way shape memory strategy using commodity thermoplastics. Irreversible thermal strain, which is a measurement of shape transformation upon annealing, is shown to depend on both raster angle and layer thickness, both of which are parameters than can be easily adjusted on most FFF printers. We present an algorithm based on our understanding of the underlying micromechanics of the system that allows for input of desired final dimensions and output the necessary print parameters. We also demonstrate that this approach is extensible to other materials and report more complex shape memory geometries. © 2019 Wiley Periodicals, Inc. J. Appl. Polym. Sci.2019,136, 48239. 
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