Abstract
In the light of its versatility, the additive manufacturing technology is shaping up to be a boon for the fabrication of advanced structures. As demands soar for the accelerated adoption of this emerging technology, understanding the mechanics of parts derived from the process is crucial to reaping its full potential. In this study, six different unit cells are used to build up different architected structures with artificially introduced missing unit cells. The six structures are screened using the finite element analysis after which focus is restricted to two, which are then produced via the fused filament fabrication method. Assessments of the compressive resistance of the architected structures are conducted. Results indicate a considerable gradual deterioration of the buckling and compressive resistance with an increasing number of missing cells. At higher compressive loads, rupture of unit cells, cracks, minor wrinkling and tearing of the architected structures were observed.
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Acknowledgements
This work was supported in part by Malaysia’s Ministry of Education (MOE) under the Fundamental Research Grant Scheme (FRGS/1/2018/TK03/UNIM/02/1). The authors acknowledge the support of the technical staff of the M3 workshop (especially Mr. Muhammad Nasuha Mazha) and the FOSE 3D Printing Hub team (Mr. Noor Hashimi Mohamad Nor and Mr. Mohd Saiful Bahrin).
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Mustapha, K.B., Saad, M., Abakr, Y.A. (2020). Flatwise Compression and Buckling Characterizations of Adhesive-Free Additively Manufactured Defected Architected Structures. In: Rajendran, P., Mazlan, N., Rahman, A., Suhadis, N., Razak, N., Abidin, M. (eds) Proceedings of International Conference of Aerospace and Mechanical Engineering 2019 . Lecture Notes in Mechanical Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-15-4756-0_23
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