SEARCH RESULT

Additive manufacturing (AM) technology can be performed quickly without the expense of labor and mold. The design of the core materials have been playing a significant role on the production of sandwich composites besides as core material, the use of an auxetic pattern instead of honeycomb pattern can increase the compression strength of the sandwich composite materials. Therefore in this study, the effect of different geometry investigated on compression strength of Acrylonitrile butadiene styrene (ABS). The design of Re-entrant, Star and Missing rib patterns have been used as the auxetic patterns for the design of the core materials by FDM (fused deposition melting) type of 3D printer. The different geometry effects on the compression strength of the auxetic core material were evaluated with different cell lengths and wall thicknesses. After the manufacturing of solid core materials in the 3D printer, these materials have been subjected to edgewise compression tests. The obtained the results have been discussed presenting different values of the compression strength due to the effect different geometry and thicknesses. While the best compression properties were achieved with the ABS auxetic core material with the wall thickness of 1 mm and cell length 6 mm. Moreover, the best edgewise compression performance was achieved re-entrant pattern in the auxetic core structures and circle pattern in the cellular core structures.

International Congress on 3D Printing (Additive Manufacturing) Technologies and Digital Industry
3D-PTC2019

Mustafa ASLAN Kutay CAVA Ümit ALVER Hasan Gedikli