#7735. Discussion on the microscale geometry as the dominant factor for strength anisotropy in material extrusion additive manufacturing

September 2026publication date
Proposal available till 24-05-2025
4 total number of authors per manuscript0 $

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Journal’s subject area:
Engineering (miscellaneous);
Industrial and Manufacturing Engineering;
Biomedical Engineering;
Materials Science (all);
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Abstract:
This discussion draws different conclusions based on the microscale filament geometry of interlayer bonds as opposed to molecular-scale bonding (diffusion and entanglement of polymer chains), which is predominantly considered in the review. Four complementary arguments on the matter are proposed, demonstrating that microscale geometry rather than incomplete molecular bonding is the predominant cause of strength anisotropy in material extrusion additive manufacturing (MEAM).
Keywords:
Bond strength; Fused filament fabrication; Interlayer bond; Mechanical anisotropy; Mechanical performance

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