Abstract
Nowadays, it is very desirable to obtain the low cost polymeric material with the best material properties. For the best modification of the commodity and construction polymeric materials it is firstly necessary to know the basic material properties. In this study the bending and Charpy impact test specimens were fabricated via a professional FDM 3D printer Fortus 900mc, from company Stratasys, processing ABS-M30 in three build orientation XY, XZ-H and XZ-V. The 3D printed test specimens were examined to compare the effect of layer thickness and building orientation. Tensile test machine Zwick 1456 and impact pendulum Zwick HIT50P were used for bending and Charpy impact tests. Optical microscopy was utilized to perform fractography on impact test specimens to explore the effect of the layer thickness and building orientation on the fracture surface morphology of the failed specimens. This study demonstrates the need for material testing for specific processing as additive manufacturing technologies.
Highlights
Nowadays, 3D printing had become more and more used technology for the production of the prototypes, tools and models
In this study the bending and Charpy impact test specimens were fabricated via a professional fused deposition modelling (FDM) 3D printer Fortus 900mc, from company Stratasys, processing ABS-M30 in three build orientation XY, XZ-H and XZ-V
Bending test and Charpy impact test of specimens printed from ABS-M30 on a professional FDM 3D printer Fortus 900mc from company Stratasys yielded results which were statistically evaluated at each layer thickness and building orientation
Summary
3D printing had become more and more used technology for the production of the prototypes, tools and models. There are several commonly used technologies of 3D printing such as selective laser sintering (SLS), selective laser melting (SLM), stereolithography, direct metal laser sintering (DMLS) and the most often used technology fused deposition modelling (FDM) [1]. Another 3D printing technology is PolyJet material jetting process in which the layers of photopolymer are selectively deposited onto a platform via inkjet print heads. A scientific team investigated the 3D printed samples designed using double cantilever beam (DCB) and printed at three various nozzle temperatures They measured Youngs modulus from the filament tensile test. At the end of this article, the results were discussed and evaluated
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