Journal ArticleDOI
An investigation of the skin/core bond in honeycomb sandwich structures using statistical experimentation techniques
S.M. Grove,E. Popham,M.E. Miles +2 more
TLDR
In this article, the effect of processing parameters on the peel strength of Nomex honeycomb core/carbon fibre-epoxy prepreg skin sandwich panels, manufactured by vacuum bagging, was investigated.Abstract:
Experimental design has been used to investigate the effect of processing parameters on the peel strength of Nomex honeycomb core/carbon fibre-epoxy prepreg skin sandwich panels, manufactured by vacuum bagging. The four processing parameters considered were: (i) consolidation pressure; (ii) temperature cure cycle; (iii) temperature ramp rate and (iv) vacuum pressure application time. Each parameter was considered at three levels. It was found that (ii) was the dominant parameter. Panels manufactured under the optimum combination of processing parameters gave a mean peel strength more than twice that of the worst panels. Qualitative microscopy has associated the higher peel strengths with larger, regular shaped adhesive fillets between honeycomb cell walls and skin laminate.read more
Citations
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Journal ArticleDOI
Bioinspired engineering of honeycomb structure – Using nature to inspire human innovation
Qian-Cheng Zhang,Xiaohu Yang,Peng Li,Guoyou Huang,Shangsheng Feng,Cheng Shen,Bin Han,Xiaohui Zhang,Feng Jin,Feng Xu,Tian Jian Lu +10 more
TL;DR: A review of the interdisciplinary efforts to better understand the design principles for products with honeycomb structures, including their fabrication, performance (e.g., mechanical, thermal and acoustic properties) as well as optimization design is presented in this article.
Journal ArticleDOI
Investigation of progress of reactions and evolution of radial heterogeneity in the initial stage of thermal stabilization of PAN precursor fibres
Srinivas Nunna,Minoo Naebe,Nishar Hameed,Claudia Creighton,Sahar Naghashian,M. J. Jennings,Stephen Atkiss,Mohan Setty,Bronwyn Fox +8 more
TL;DR: In this paper, a combination of Taguchi approach and scientific evaluation techniques was used to establish the relationship between process parameters and structural transformations in the fibres at each stage of the carbon fiber manufacturing process.
Journal ArticleDOI
Prediction of the adhesive fillet size for skin to honeycomb core bonding in ultra-light sandwich structures
TL;DR: The formation of resin fillet between honeycomb core cell walls and skin in light sandwich structures was studied to gain a better understanding of the bonding process and to predict the size of the adhesive menisci.
Journal ArticleDOI
Bionic Prototyping of Honeycomb Patterned Polymer Composite and Its Engineering Application
TL;DR: Polymeric honeycombs have always enticed researchers due to their lightweight, high stiffness-to-weight ratio, and well developed energy absorption characteristics, owing which they find themselves in many applications as mentioned in this paper.
Journal ArticleDOI
Vacuum-bag processing of sandwich structures: role of honeycomb pressure level on skin-core adhesion and skin quality
TL;DR: In this paper, an initial range of skin permeability to air was explored by perforating the prepregs and adhesive layer selectively, and the role of the resulting pressure inside the honeycomb on skin?core adhesion and skin quality was evaluated.
References
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Journal ArticleDOI
Experimental study of drilling glass fiber reinforced plastics (GFRP) manufactured by hand lay-up
TL;DR: In this paper, a plan of experiments, based on the techniques of Taguchi, was established considering drilling with prefixed cutting parameters in a hand lay-up GFRP material.
Journal ArticleDOI
EDM machining of carbon–carbon composite—a Taguchi approach
TL;DR: In this article, the optimal setting of the process parameters on the electro-discharge machining (EDM) machine while machining carbon-carbon composites was determined through experiments planned, conducted and analysed using the Taguchi method.
Book
Care and repair of advanced composites
TL;DR: Care and Repair of Advanced Composites as mentioned in this paper is an outgrowth of the course syllabus developed by the Training Task Group of SAE's Commercial Aircraft Composite Repair Committee (CACRC), which was published as SAE AIR 4938, 'Composite and Bonded Structure Technician Training Document'.
Journal ArticleDOI
The role of the resin fillet in the delamination of honeycomb sandwich structures
Ryo Okada,Mark T. Kortschot +1 more
TL;DR: In this article, the role of resin fillets on energy absorption was elucidated, and a detailed stick/slip mechanism for crack advance was proposed, and its existence was supported by both the load traces and by fractography.
Journal ArticleDOI
An improved taguchi's method in design of experiments for milling cfrp composite
P. Y. Chao,Y.D. Hwang +1 more
TL;DR: In this article, the authors proposed two methods to avoid extra experiments: (1) confirming data and (2) screening effects, and they conducted experiments in milling CFRP composite as examples.
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The role of the resin fillet in the delamination of honeycomb sandwich structures
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