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201 articles for “composite”
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HypothesisOpen accessEvery word in the titleSequences for Determination of Prime Numbers by Elimination of CompositesJonathan M. Dugas, Brian M. O’ConnorIn this study, sequences are used for direct computation of prime numbers. A single equation for generating all prime numbers with the exception of 2 and 3 and composite numbers that are not divisible by 2 or 3 is presented. A periodicity to the indices of the composites generated by that equation is determined. An equation to determine the indices … …Journal of Mathematics and Statistics, Vol. 13, Issue 3 · 20 Jul 2017 · 8,042 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleExperimental Study of Composite Beams Made of Steel Tubes Filled with Concrete under the Confinement Effect of U-Links and Stud-PlateMoayyad Al-Nasra, Madiha Ammari, Taher Abu-Lebdeh, Abdelqader NajmiConcrete strength improved substantially when lateral confinement stresses are provided. This effect has been exploited in this study in composite beams at the concrete compression zone. New type of confinement is used in this research. The confinement of concrete in the compression zone is accomplished by providing U-links and stud-plate systems. The U-links are steel bars in the shape of … …American Journal of Engineering and Applied Sciences, Vol. 10, Issue 1 · 20 Mar 2017 · 7,259 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleThe Physicochemical Properties and Sensory Evaluation of Bread Made with a Composite Flour from Wheat and Tempoyak (Fermented Durian)Fazilah Ariffin, Mohd Arif Baharom, Bhupinder Kaur, Maizura MuradComposite flour from wheat flour and Tempoyak Flour (TF) was produced in this study. Three different bread formulations from the composite flour were produced, containing 5% TF (TF5), 10% TF (TF10) and 15% TF (TF15). Bread samples were analyzed for their physicochemical properties and sensory characteristics compared with control bread made from 100% wheat flour. The resistant starch content increased … …American Journal of Applied Sciences, Vol. 12, Issue 11 · 6 Nov 2015 · 7,447 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleFinite Element Formulation for Active Composite LaminatesDragan Marinkovic, Manfred ZehnSmart structures are characterized by a synergistic integration of active materials into a passive structure connected by a control system to enable an automatic adaptation to changing environmental conditions. Piezoelectric materials are widely used as distributed sensors and actuators in smart structures, where especially hybrid composites - a combination of fiber-reinforced and piezoelectric laminae - are very powerful smart material … …American Journal of Engineering and Applied Sciences, Vol. 8, Issue 3 · 2 Jun 2015 · 7,778 accessesView PDFCite
Research ArticleOpen accessEvery word in the titlePOLYMER COMPOSITE MANUFACTURING USING A PULTRUSION PROCESS: A REVIEWA. M. Fairuz, S. M. Sapuan, E. S. Zainudin, C. N.A. JaafarPultrusion is the one of technologies to fabricate the polymer composites to be used in many industries such as in aerospace, automotive and construction industries. The high performance pultruded products that are produced by this technique offer high fibre content of at least 70%. In order to produce high quality pultruded profiles, there are variables such as fibre impregnation, resin … …American Journal of Applied Sciences, Vol. 11, Issue 10 · 29 Oct 2014 · 9,656 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleA New Approach to Damage Detection in Composite Body Structures Using Time Compensated Hyperspectral Image Analysis TechniqueMahmoud Zaki IskandaraniA novel approach to damage detection in composite car body structures using hyperspectral image index analysis algorithm is presented and discussed. The adapted technique allows the monitoring and analysis of a components structure based on correlation between time spaced thermal images. The technique produces several organized tables resulting from image fusion and frame deviation pixel redistribution calculations, which results in … …American Journal of Applied Sciences, Vol. 10, Issue 2 · 1 Feb 2013 · 7,267 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleIdentification of Defects in Composite Materials Using an Improved Wavelet Analysis AlgorithmYahiaoui Aicha, Si-Chaib Med, O.A. ChellilProblem statement: The present work carries on the use of a method based on the wavelet transform to detect internal flaws of composite materials. The objective of this work consists in working out a data processing sequence of an ultrasonic signal identifying nearly flaws in composite laminate materials and estimating their position. Approach: The use of a numerical signal processing … …Physics International, Vol. 2, Issue 2 · 12 Mar 2012 · 8,163 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleElectrical Properties of Novel Lead Zirconate/Synthetic Rubber Composite MaterialsChareumwut Pansa-Ard, Yanee Pornchaisiriarun, Nuchnapa TangboriboonProblem statement: Perovskite lead zirconate exhibits in an orthorhombic formation at a temperature below the Curie temperature, TC. Approach: The orthorhombic is non-centrosymmetric which is capable of spontaneous polarization (electronic, ionic and orientation), depending on their composition and volume fraction. Results: The results from FTIR spectroscopy, XRD patterns, and SEM indicate that the lead zirconate particles are dispersed in Acrylic … …Energy Research Journal, Vol. 2, Issue 2 · 20 Feb 2012 · 7,589 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleCalibration Coefficients for Residual Stress Measurement in Composite Materials Using Finite Element MethodA. G. Ghasemi, M. AkbarzadehProblem statement: Since the residual stresses can cause a scienificant reduction in strength of the mechanical components, having a semi-destructive measuring method that would predict and model theses stresses would be an advantage. The hole drilling method has been used, by many researches, for measurement of the residual stresses in different materials. In this article, the finite element method is … …American Journal of Engineering and Applied Sciences, Vol. 5, Issue 1 · 18 Feb 2012 · 9,015 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleComposite Pseudo Associative Cache with Victim Cache for Mobile ProcessorsLakshmi Deepika Bobbala, Monobrata Debnath, Byeong Kil LeeProblem statement: Multi-core trends are becoming dominant, creating sophisticated and complicated cache structures. One of the easiest ways to design cache memory for increasing performance is to double the cache size. The big cache size is directly related to the area and power consumption. Especially in mobile processors, simple increase of the cache size may significantly affect its chip area … …Journal of Computer Science, Vol. 7, Issue 10 · 4 Aug 2011 · 7,089 accessesView PDFCite