Topic
Sandwich-structured composite
About: Sandwich-structured composite is a research topic. Over the lifetime, 5853 publications have been published within this topic receiving 101126 citations.
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TL;DR: In this article, a full factorial experimental design was used to assess the importance of the drilling parameters, including feed rate and uncut fiber factor, and the results revealed that the both factors were increased by the increase of feed rate.
Abstract: A full factorial experimental design was used to assess the importance of the drilling parameters. Digital photography technique was used to evaluate the damages from drilling. The drilling operation was assessed based on two introduced factors, including the delamination factor (DF) and uncut fiber factor (UCFF). Analysis of the experimental results for DF indicated that feed rate was the most significant parameter. On the other sides, experimental results for UCFF showed that feed rate had the greatest influence. Also, the results revealed that the both factors were increased by the increase of feed rate and there was an optimum point of cutting speed and tool diameter in the evaluation of UCFF. Drilling of balsa wood composite sandwich panel had the best quality followed by corrugated foam and PVC foam sandwich panels.
40 citations
TL;DR: In this paper, the out-of-plane performance of honeycomb materials for sandwich panels was evaluated. But, the performance was not as good as that of other core materials, such as graphite.
Abstract: Compared to other core materials, honeycomb materials provide impressive mechanical performance for sandwich panels, but with less weight added to the structures. In this article, the out-of-plane ...
40 citations
TL;DR: In this paper, an experimental study of the in-plane compression failure of sandwich panels consisting of glass/epoxy face sheets over a range of PVC foam cores (H45, H100, and H200) and a balsa wood core containing one or two circular or square interfacial debonds is conducted.
Abstract: An experimental study of the in-plane compression failure of sandwich panels consisting of glass/epoxy face sheets over a range of PVC foam cores (H45, H100, and H200) and a balsa wood core containing one or two circular or square interfacial debonds is conducted. For the great majority of the specimens, failure occurred by local buckling of the debonded face sheet followed by rapid debond growth towards the panel edges, perpendicular to the applied load. Panels with the largest debond (10 cm diameter or 9 cm length) displayed some post-buckling strength. Examination of the face and core failure surfaces after total separation showed that the tendency for interface (core/resin) failure increases with increasing core density. It was found that the compression strength strongly decreases with decreasing core stiffness and increasing debond size. The compression strength of panels with H45 core decreased with reduced core thickness. Failure loads for panels with symmetric debonds at both face/core interfaces...
39 citations
TL;DR: In this paper, a numerical strategy for describing the textile/concrete bond behavior in textile-reinforced concrete (TRC) composites that separates the cohesive and coulomb friction contributions is presented.
39 citations
TL;DR: In this paper, the compressive performances of carbon-fibre-reinforced composite sandwich panels with chevron folded cores were investigated, and analytical expression based on energy approach were derived to predict their compressive elastic modulus and strength.
39 citations