[en] This study explores the variation in mechanical properties of additively manufactured composite structures for robotic applications with different infill densities and layer heights using fused deposition modelling (FDM). Glass fibre-reinforced polyamide (GFRP), and carbon fibre-reinforced polyamide (CFRP) filaments are used, and the specimens are printed with 20%, 40%, 60% and 100% infill density lattice structures for tensile and three-point bending tests. These printed samples are examined in the microscope to gain more understanding of the microstructure of the printed composites. To characterise the mechanical properties, a set of tensile and three-point bend tests are conducted on the manufactured composite samples. Test results indicate the variations in tensile strength and Young’s modulus of specimens based on the printing parameters and reveal the tensile and bending behaviour of those printed composite structures against varying infill ratios and reinforcing fibres. The experimental findings are also compared to analytical and empirical modelling approaches. Finally, based on the results, the applications of the additively manufactured structure to the robotic components are presented.
Bisoi, Arnav; Department of Mechanical Engineering, Imperial College London, London, United Kingdom
Tüfekci, Mertol ; Department of Mechanical Engineering, Imperial College London, London, United Kingdom
Öztekin, Vehbi; Faculty of Mechanical Engineering, Istanbul Technical University, İstanbul, Turkey
Denimal Goy, Enora; Department of Mechanical Engineering, Imperial College London, London, United Kingdom ; Université Gustave Eiffel, COSYS-SII, Rennes, France
Salles, Loïc ; Université de Liège - ULiège > Département d'aérospatiale et mécanique > Mechanical aspects of turbomachinery and aerospace propulsion ; Department of Mechanical Engineering, Imperial College London, London, United Kingdom
Language :
English
Title :
Experimental Investigation of Mechanical Properties of Additively Manufactured Fibre-Reinforced Composite Structures for Robotic Applications
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