Journal of Manufacturing and Materials Processing, Volume 8, Issue 6
December 2024 - 64 articles
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Cover Story: Additive manufacturing (AM) encompasses various techniques, including powder bed fusion (PBF), such as selective laser sintering (SLS) and multi-jet fusion (MJF). In this paper, we present our work demonstrating the presence of anisotropy in fracture behaviour due to the build orientation. To evaluate this anisotropy, the fracture behaviour of polyamide 12 polymer manufactured by SLS and MJF were investigated with experiments and numerical modelling of Mode I compact tension (CT) specimens. Experiments were monitored by digital image correlation (DIC) and infrared thermography (IRT). Comparative analyses between SLS and MJF technologies unveiled dissimilar trends in mechanical strength, build-orientation effects, and fracture properties. View this paper