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Experimental and numerical analysis of additively manufactured foamed sandwich beams

Research output: Contribution to Journal/Magazine › Journal article › peer-review

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Experimental and numerical analysis of additively manufactured foamed sandwich beams. / Yousefi Kanani, A.; Kennedy, A.
In: Composite Structures, Vol. 312, 116866, 15.05.2023.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Yousefi Kanani, A & Kennedy, A 2023, 'Experimental and numerical analysis of additively manufactured foamed sandwich beams', Composite Structures, vol. 312, 116866. https://doi.org/10.1016/j.compstruct.2023.116866

APA

Yousefi Kanani, A., & Kennedy, A. (2023). Experimental and numerical analysis of additively manufactured foamed sandwich beams. Composite Structures, 312, Article 116866. https://doi.org/10.1016/j.compstruct.2023.116866

Vancouver

Yousefi Kanani A, Kennedy A. Experimental and numerical analysis of additively manufactured foamed sandwich beams. Composite Structures. 2023 May 15;312:116866. Epub 2023 Mar 8. doi: 10.1016/j.compstruct.2023.116866

Author

Yousefi Kanani, A. ; Kennedy, A. / Experimental and numerical analysis of additively manufactured foamed sandwich beams. In: Composite Structures. 2023 ; Vol. 312.

Bibtex

@article{305465d938e7475d9b1e8bc2ccf84faa,
title = "Experimental and numerical analysis of additively manufactured foamed sandwich beams",
abstract = "This work examines the feasibility of using foamable polymer filaments to create lightweight composite beams using additive manufacturing. To accomplish this, monolithic and sandwich beams, with non-foamed face sheets and a foam core were fabricated using MEX 3D printers. The non-foamed and foamed PLA components were created by extruding foamable PLA with nozzle temperatures of 200 °C and 220 °C, respectively. Tensile testing samples were printed and tested and used to provide data for numerical models. A range of different sandwich structures were printed and tested in 3-point bending and their performance was compared to monolithic non-foamed and foam beams and to analytical and numerical models.The stiffness, yield load, and maximum load of sandwich beams with non-foamed face sheets and foamed cores are much greater than those of pure foamed beams. With sandwich foam beams, weight reductions of around 30 % are both observed and predicted compared to non-foamed beams with equivalent stiffness. Analytical and numerical models using experimental data show value in aiding the design of sandwich structures of this type.",
keywords = "Additive manufacturing, Fused deposition modelling, Foamable polylactic acid filament, Porous structures, Lightweight composite beam",
author = "{Yousefi Kanani}, A. and A. Kennedy",
year = "2023",
month = may,
day = "15",
doi = "10.1016/j.compstruct.2023.116866",
language = "English",
volume = "312",
journal = "Composite Structures",
issn = "0263-8223",
publisher = "Elsevier Ltd",

}

RIS

TY - JOUR

T1 - Experimental and numerical analysis of additively manufactured foamed sandwich beams

AU - Yousefi Kanani, A.

AU - Kennedy, A.

PY - 2023/5/15

Y1 - 2023/5/15

N2 - This work examines the feasibility of using foamable polymer filaments to create lightweight composite beams using additive manufacturing. To accomplish this, monolithic and sandwich beams, with non-foamed face sheets and a foam core were fabricated using MEX 3D printers. The non-foamed and foamed PLA components were created by extruding foamable PLA with nozzle temperatures of 200 °C and 220 °C, respectively. Tensile testing samples were printed and tested and used to provide data for numerical models. A range of different sandwich structures were printed and tested in 3-point bending and their performance was compared to monolithic non-foamed and foam beams and to analytical and numerical models.The stiffness, yield load, and maximum load of sandwich beams with non-foamed face sheets and foamed cores are much greater than those of pure foamed beams. With sandwich foam beams, weight reductions of around 30 % are both observed and predicted compared to non-foamed beams with equivalent stiffness. Analytical and numerical models using experimental data show value in aiding the design of sandwich structures of this type.

AB - This work examines the feasibility of using foamable polymer filaments to create lightweight composite beams using additive manufacturing. To accomplish this, monolithic and sandwich beams, with non-foamed face sheets and a foam core were fabricated using MEX 3D printers. The non-foamed and foamed PLA components were created by extruding foamable PLA with nozzle temperatures of 200 °C and 220 °C, respectively. Tensile testing samples were printed and tested and used to provide data for numerical models. A range of different sandwich structures were printed and tested in 3-point bending and their performance was compared to monolithic non-foamed and foam beams and to analytical and numerical models.The stiffness, yield load, and maximum load of sandwich beams with non-foamed face sheets and foamed cores are much greater than those of pure foamed beams. With sandwich foam beams, weight reductions of around 30 % are both observed and predicted compared to non-foamed beams with equivalent stiffness. Analytical and numerical models using experimental data show value in aiding the design of sandwich structures of this type.

KW - Additive manufacturing

KW - Fused deposition modelling

KW - Foamable polylactic acid filament

KW - Porous structures

KW - Lightweight composite beam

U2 - 10.1016/j.compstruct.2023.116866

DO - 10.1016/j.compstruct.2023.116866

M3 - Journal article

VL - 312

JO - Composite Structures

JF - Composite Structures

SN - 0263-8223

M1 - 116866

ER -