期刊
COMPOSITES PART B-ENGINEERING
卷 79, 期 -, 页码 383-391出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesb.2015.04.055
关键词
Foams; Mechanical testing; Stitching; Sandwich composites
资金
- TUBITAK Research Foundation [213M603]
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. (C) 2015 Elsevier Ltd. All rights reserved.
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