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      Residual alignment and its effect on weld strength in material-extrusion 3D-printing of polylactic acid 

      Costanzo, Andrea; Spotorno, Roberto; Candal, María Virginia; Fernández San Martín, Mercedes; Müller Sánchez, Alejandro Jesús ORCID; Graham, Richard; Cavallo, Dario; McIlroy, Claire (Elsevier B.V, 2020-06-30)
      Gaining a molecular understanding of material extrusion (MatEx) 3D printing is crucial to predicting and controlling part properties. Here we report the direct observation of distinct birefringence localised to the ...