Mechanical properties of PLA-graphene filament for FDM 3D printing

Fused deposition modelling is an additive manufacturing technology that is widely employed to produce good quality products with complex geometries at a low cost and with efficient manufacturing and delivery logistics. The mechanical properties can be enhanced by studying the numerous FDM parameters...

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Bibliographic Details
Published in:International journal of advanced manufacturing technology 2019-08, Vol.103 (5-8), p.2423-2443
Main Authors: Camargo, José C., Machado, Álisson R., Almeida, Erica C., Silva, Erickson Fabiano Moura Sousa
Format: Article
Language:English
Subjects:
CAE) and Design
Computer-Aided Engineering (CAD
Engineering
Flexural strength
Fused deposition modeling
Graphene
Industrial and Production Engineering
Logistics
Mechanical Engineering
Mechanical properties
Media Management
Original Article
Parameters
Rapid prototyping
Tensile strength
Thickness
Three dimensional models
Three dimensional printing
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Summary:Fused deposition modelling is an additive manufacturing technology that is widely employed to produce good quality products with complex geometries at a low cost and with efficient manufacturing and delivery logistics. The mechanical properties can be enhanced by studying the numerous FDM parameters and by using new materials. In this work, was studied the mechanical properties tensile strength, flexural strength, and impact energy of 3D printed parts manufactured with FDM technology and PLA-graphene raw material by varying the infill and layer thickness parameters using a statistical technique CCD—central composite design. Due to the layered production process, 3D printed parts exhibit anisotropic behaviour. In the tests, the flat orientation and honeycomb infill pattern were maintained. The results showed that the mechanical properties improve as the linear layer thickness parameter increases. The behaviour was different in each test for the linear infill parameter. The mechanical properties, tensile strength and flexural strength, increased as the infill increased, while impact energy decreased as infill increased. The relationship between mechanical properties and printing time/weight was also evaluated.
ISSN:0268-3768
1433-3015
DOI:10.1007/s00170-019-03532-5