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Theoretical and experimental characterization of composites

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https://www.eduzhai.net International Journal of Composite M aterials 2013, 3(6A) DOI: 10.5923/s.cmaterials.201309 Theoretical and Experimental Characterization of Composites Roham Rafiee1, Mojtaba Haghighi-Yazdi2 1Composites Research Laboratory, Faculty of New Sciences and Technologies, University of Tehran, Tehran 1439955941, Iran 2School of M echanical Engineering, College of Engineering, University of Tehran, P.O. Box 11155-4563, Tehran, Iran Co mposite materials have played a major role in the field of materials and mechanical engineering since the emergence of this field. Due to the wide applicat ion of these materials in different industrial fields, characterization of co mposite materials subjected to various conditions has drawn the attention of scientists. Different methods, including both theoretical and experimental techniques, have been used to fully characterize co mposite materials. The use of composite materials has been extended dramat ically in recent years, leading to the creation of new co mposite materials such as nano-composites. The developed theoretical and e xperimental characterizat ion techniques have therefore been e xtended, modified, or even totally altered to suit the requirements of newly developed composites. This special issue focuses on theoretical and experimental characterizat ion techniques for both “traditionally” used composite materials and also newly developed composites. This special issue contains five articles which provide an interesting overview of research and developments in the field of composite materials. These papers have been submitted by authors fro m different parts of the globe and cover various interesting subjects. “Multi-phase carbon fiber-MWNT/epo xy co mposites” by Ávila et al. co mbines the advantages of mu lti-phase carbon fiber/nanotube and carbon fiber/epoxy laminated composites and observes improved behavior when characterizat ion tests are conducted using Raman spectroscopy, X-ray d iffraction, scanning electron microscopy, and tensile tests. “State-of-the-art rev iew on carbon nanotube reinforced metal matrix co mposites” by Silvestre focuses on modified mechanical, thermal, and electrical propert ies of CNT reinforced metal mat rix co mposites while reviewing the studies in the this field. Quantification of matrix and reinforcement effects on the Young’s modulus of carbon nanotube/epoxy co mposites using a design of experiments approach” by Rokni et al. uses a statistical study and offers a systematic approach towards fabrication of carbon nanotube/epoxy co mposites with improved values of Young’s modulus. “A rotation-free isogeometric analysis for composite sandwich thin plates: by Thai et al. employs a rotation-free isogeometric analysis with the classical laminate plate theory for static analysis of composite sandwich plates. “Dynamic responses of composite plates on the Pasternak foundation subjected to a moving mass by a cell-based smoothed discrete shear gap (CS-DSG3) method” by Nguyen-Thoi et a l. incorporates the CS-FEM-DSG3 method with spring systems for dynamic ana lyses of composite plates on the Pasternak foundation subjected to a moving mass and also through a parametric examinat ion determines the effects of various parameters on the dynamic response of the these composite plates. We especially thank all the authors for their submission of such high standard papers and also, for their time ly responses to the reviewer reco mmendations. We are also very grateful to the referees for their time and effort in the review process. Roham Rafiee Mojtaba Haghighi-Yazd i

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