Measurement of the mechanical and dynamic properties of 3D printed polylactic acid reinforced with graphene

In this paper, three-dimensional (3D) printing system based on fused deposition modeling (FDM) is used for the fabrication of polylactic acid (PLA) specimens with and without graphene and to measure their dynamic mechanical properties. In particular, 3D printed PLA/graphene nanocomposites containing...

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Bibliographic Details
Published inPolymer-plastics technology and engineering Vol. 58; no. 11; pp. 1234 - 1244
Main Authors Mansour, M., Tsongas, K., Tzetzis, D.
Format Journal Article
LanguageEnglish
Published New York Taylor & Francis 24.07.2019
Taylor & Francis Ltd
Subjects
3D printing
Additive manufacturing
compression
Compression tests
Compressive strength
Damping
Dynamic characteristics
Dynamic mechanical properties
Fused deposition modeling
Graphene
indentation tests
Mechanical properties
Mechanical tests
modal tests
Nanocomposites
Nanoindentation
Polylactic acid
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Summary:In this paper, three-dimensional (3D) printing system based on fused deposition modeling (FDM) is used for the fabrication of polylactic acid (PLA) specimens with and without graphene and to measure their dynamic mechanical properties. In particular, 3D printed PLA/graphene nanocomposites containing 10wt% graphene in PLA matrix were characterized by compression tests, cyclic compression tests, nanoindentation and modal tests. The results of the mechanical tests reveal that the incorporation of multifunctional graphene has improved the modulus, the strength and the hardness of the 3D printed nanocomposites. The damping as calculated by cyclic compression and modal tests was substantially increased compared to neat PLA samples.
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ISSN:2574-0881
0360-2559
2574-089X
1525-6111
DOI:10.1080/03602559.2018.1542730