Enhanced mechanical performance of foam core sandwich composites with through the thickness reinforced core |
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| Affiliation: | 1. Dokuz Eylul University, The Graduate School of Natural and Applied Science, Buca, Izmir, Turkey;2. Dokuz Eylul University, Department of Mechanical Engineering, Buca Izmir, Turkey;3. Dokuz Eylul University, Department of Textile Engineering, Buca, Izmir, Turkey;1. Center for Composite Materials and Structures, Harbin Institute of Technology, Harbin 150001, China;2. Department of Mechanical and Industrial Engineering, Northeastern University, Boston, MA 02115, USA;3. Institute of Textiles and Clothing, The Hong Kong Polytechnic University, China;1. Faculty of Aerospace Engineering, Delft University of Technology, Kluyverweg 1, 2629 HS Delft, The Netherlands;2. BMW Group, Department, Research and Innovation Centre, Knorrstrasse 147, 80788 Munich, Germany;3. ACCIS, University of Bristol, Queen’s Building, University Walk, BS8 1TR Bristol, United Kingdom;1. Research Institute of Material Science and Technology (INTEMA) – National University of Mar del Plata (UNMdP), Mar del Plata, Argentina;2. Center for Composite Materials and Structures (CCMS), Harbin Institute of Technology, Harbin, China;1. University of Lille, Ensait, Gemtex, F-59000 Roubaix, France;2. Soochow University, 215006 Suzhou, China;3. University of Haute-Alsace, Ensisa, Lpmt, F-68000 Mulhouse, France;4. University of Strasbourg, France;1. College of Engineering, Peking University, Beijing 100871, China;2. School of Civil Engineering, Beijing Jiaotong University, Beijing 100044, China;3. Institute of Spacecraft System Engineering, Beijing 100094, China;4. Beijing Institute of Technology, Beijing 100081, China |
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| Abstract: | The purpose of this study is to improve the mechanical performance of the foam core sandwich composites with a rather simpler method of core reinforcement. With this aim; sandwich composite panels are manufactured using only-perforated foam and perforated-stitched foam as the core with multi-axial glass fabrics as the facesheet materials by vacuum infusion method using epoxy resin. Sandwich composites with perforated core, stitched core and plain core have been compared in terms of compressive, bending, shear and impact performances. It was seen that newly proposed perforated core specimens and stitched core specimens with relatively insignificant weight increase have superior mechanical performances than plain core specimens. Thus reinforcing foam core with perforation and stitching is proposed as simpler but very effective method in performance improvement for the sandwich composites. |
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| Keywords: | A Foams D Mechanical testing E Stitching Sandwich composites |
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