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Cited by 308

The DOI matches its Crossref record; 39 of the 39 references it cites were found in a registry or an index.

Disentanglement effects on welding behaviour of polymer melts during the fused-filament-fabrication method for additive manufacturing

Open access
McIlroy, C., Olmsted, P.D.·2017·Polymer
DOI 10.1016/j.polymer.2017.06.051
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Abstract

Although 3D printing has the potential to transform manufacturing processes, the strength of printed parts often does not rival that of traditionally-manufactured parts. The fused-filament fabrication method involves melting a thermoplastic, followed by layer-by-layer extrusion of the molten viscoelastic material to fabricate a three-dimensional object. The strength of the welds between layers is controlled by interdiffusion and entanglement of the melt across the interface. However, diffusion slows down as the printed layer cools towards the glass transition temperature. Diffusion is also affected by high shear rates in the nozzle, which significantly deform and disentangle the polymer microstructure prior to welding. In this paper, we model non-isothermal polymer relaxation, entanglement recovery, and diffusion processes that occur post-extrusion to investigate the effects that typical printing conditions and amorphous (non-crystalline) polymer rheology have on the ultimate weld structure. Although we find the weld thickness to be of the order of the polymer size, the structure of the weld is anisotropic and relatively disentangled; reduced mechanical strength at the weld is attributed to this lower degree of entanglement.

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Metadata

Authors
McIlroy, C., & Olmsted, P. D.
Venue
Polymer
Publisher
Elsevier BV
Published
2017-08
Volume
123
Pages
376-391
ISSN
0032-3861 (ISSN-L)
DOI
10.1016/j.polymer.2017.06.051
OpenAlex
W2724156092
Cited by
308
References
39
FWCI
19.32
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Disentanglement effects on welding behaviour of polymer melts during the fused-filament-fabrication method for additive manufacturing. https://app.cochat.ai/papers/10.1016/j.polymer.2017.06.051
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McIlroy, C., & Olmsted, P. D. (2017). Disentanglement effects on welding behaviour of polymer melts during the fused-filament-fabrication method for additive manufacturing. Polymer. https://doi.org/10.1016/j.polymer.2017.06.051

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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.

Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.