STUDY ON THE INFLUENCE OF THE RADIUS OF CONNECTION OF THE SPECIMEN OBTAINED BY FDM ON THE AREA OF PROPAGATION OF THE RUPTURE

Gina Mihaela SICOE

Abstract


In order to determine the mechanical characteristics of the parts obtained by the additive manufacturing technology, FDM procedure, are used tensile specimens made according to the European standard D638 - 14, printed with different parameters, so that the results obtained are as conclusive as possible. Because in many situations it was found that the breaking of the specimens occurs outside the calibrated area, the results not showing a high degree of confidence, in this study we investigated the influence of some parameters, (the radius of the specimen connection and the printing direction) on the position of the breaking area. In the study, following a plan of experiments, 12 samples of Z-Ultrat material were made using a Zortrax M200 printer.


Keywords


FDM; Z-ULTRAT; mechanical characteristics; connection radius; printing direction

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