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Dissertations / Theses on the topic 'Composite material'

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Published: 4 June 2021

Last updated: 25 July 2025

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1

Freitas, Ricardo Luiz Barros de [UNESP]. "Fabricação, caracterização e aplicações do compósito PZT/PVDF." Universidade Estadual Paulista (UNESP), 2012. http://hdl.handle.net/11449/100281.

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Made available in DSpace on 2014-06-11T19:30:32Z (GMT). No. of bitstreams: 0 Previous issue date: 2012-08-31Bitstream added on 2014-06-13T20:21:16Z : No. of bitstreams: 1 freitas_rlb_dr_ilha.pdf: 3147438 bytes, checksum: 01acb2a6a67b2e11009fd170fd595861 (MD5)<br>Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)<br>Um material compósito é constituído pela combinação de dois ou mais materiais, onde se procura sintetizar um novo material multifásico, e que abrigue as melhores características individuais de cada um de seus constituintes. Compósitos de polímeros (matriz) e ferr

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2

Karlsson, Johan. "Composite material in car hood : Investigation of possible sandwich materials." Thesis, Karlstads universitet, Fakulteten för hälsa, natur- och teknikvetenskap (from 2013), 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-45633.

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3

Maman, Shmuel. "Composite material repair and reliability." Thesis, Monterey, California. Naval Postgraduate School, 1989. http://hdl.handle.net/10945/25759.

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Composite structure repair methodology has been developed to specific applications (typically in small area and limited to secondary structure) and is being extended to Large Area Composite Structure Repair (with target extension to primary structures). Therefore, the repair becomes more critical because we get redistribution of stresses that can also affect the zones outside of the repair area. For this reason, an analytic evaluation of the repair's reliability has to be performed to define a parameter which reflects on the effectiveness of the repair. In this work, we establish a principal g

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4

Ghaemi, Hamid. "The effective properties of composite material." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape3/PQDD_0020/MQ58036.pdf.

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5

Goel, Anjali 1978. "Economics of composite material manufacturing equipment." Thesis, Massachusetts Institute of Technology, 2000. http://hdl.handle.net/1721.1/31096.

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Thesis (S.B.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2000.<br>Includes bibliographical references (p. 43).<br>Composite materials are used for products needing high strength-to-weight ratios and good corrosion resistance. For these materials, various composite manufacturing processes have been developed such as Automated Tow Placement, Braiding, Diaphragm Forming, Resin Transfer Molding, Pultrusion, Autoclave Curing and Hand Lay Up. The aim of this paper is to examine the equipment used for these seven processes and to produce a cost analysis for each of the p

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Lloyd, Rachel Louise. "Recycling of carbon fibre composite material." Thesis, Cranfield University, 2002. http://dspace.lib.cranfield.ac.uk/handle/1826/11356.

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Different routes for recycling carbon fibre composites from the aircraft industry were investigated for feasibility., Literature analysis revealed little previous ·work in this area, with most composite recycling investigations concentrating on automotive industry wastes. The magnitude of disposal of carbon fibre composite materials from the aircraft industry is estimated to be in the region of 350,000 tonnes between the years 2000 and 2050. Landfill cost investigations concluded that the corresponding disposal cost will be in the region of £52 million. Experimentation indicated that the mater

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7

Counts, William Arthur. "Mechanical behavior of bolted composite joints at elevated temperature." Thesis, Georgia Institute of Technology, 2000. http://hdl.handle.net/1853/17315.

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8

Teh, Kuen Tat. "Impact damage resistance and tolerance of advanced composite material systems." Diss., This resource online, 1993. http://scholar.lib.vt.edu/theses/available/etd-06062008-170512/.

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9

Sinclair, Chad. "Co-deformation of a two-phase FCC/BCC material /." *McMaster only, 2001.

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10

Pacheco, João Felipe Mota. "Influencia do tratamento superficial na resistencia a tração da união polimero de vidro-cimento resinoso." [s.n.], 1997. http://repositorio.unicamp.br/jspui/handle/REPOSIP/288172.

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Orientador: Mario Fernando de Goes<br>Tese (doutorado) - Universidade Estadual de Campinas, Faculdade de Odontologia de Piracicaba<br>Made available in DSpace on 2018-07-23T01:41:39Z (GMT). No. of bitstreams: 1 Pacheco_JoaoFelipeMota_D.pdf: 4282811 bytes, checksum: 41703a5d88ddb80855223eb94057a90b (MD5) Previous issue date: 1997<br>Resumo: O objetivo deste estudo foi avaliar a influência de diferentes tratamentos na superfície do polímero de vidro Artglass (HERAEUS, Kulzer - Germany). Foi verificado também o efeito do agente de silanização (Porcelain Primer - BISCO, lnc. ltasca IL), do ativa

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11

Forconi, Mattia. "Experimental analysis of a hybrid composite material." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2017.

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The main aim of this thesis is to investigate the mechanical properties of a hybrid composite material under static loadings. The material is a composite laminate made by layers of carbon bars and a rubber layer. The thesis can be split into three main parts. In the first part a background about carbon bar composite is given and, subsequently, the research and main results on hybrid composites is introduced. The objective of this section is to provide a base on which built the main results of this work. In the second part it is explained how the test activities have been performed and the main

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12

Weibel, Nicolas. "Industrial implementation of novel composite material technologies /." Lausanne, 2002. http://library.epfl.ch/theses/?nr=2567.

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Thèse sciences techniques, EPF Lausanne en collab. avec IMD Lausanne, no 2567 (2002), Faculté des Sciences et Techniques de l'Ingénieur, Section Matériaux. Directeurs: J.-A. E. Månson (EPFL), T. E. Vollmann (IMD) ; rapporteurs: D. Bonner, S. Catsicas, P. Lorange.

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13

Ahmadi, Hoda. "Cellulose-Mycelia foam : novel bio-composite material." Thesis, University of British Columbia, 2016. http://hdl.handle.net/2429/59970.

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Demand for sustainable products is growing faster than ever before. Because of this, the development of novel sustainable materials is crucial to leverage our environmental resources and to ensure future growth of Canada's economy. In this study, we propose a technology to develop the use of fungal mycelium, the vegetative part of a fungus, through a porous scaffold of cellulose-based foam. A methodology for producing cellulose-mycelia foam (CMF) has been developed by mixing a surfactant with pulp suspension of 1% consistency and Pleurotus djamor spawn, mixing at high velocity to entrain air,

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Phillips, Steven. "Bio-composite material applications to musical instruments." Thesis, McGill University, 2009. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=66668.

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Bio-composite materials suitable for replacing wood for use in musical instruments were developed. The mechanical properties of Sitka spruce, the most widely used wood species for this application, were taken as a benchmark when developing the new materials. The materials were characterized by static and dynamic methods to determine the dynamic Young's modulus, shear modulus, internal friction and static mechanical properties. Based on the material characterization, a hand layup process with a two-part closed mould and internal pressure bladder was developed and a total of si

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Yao, Lining. "Shape changing composite material design for interactions." Thesis, Massachusetts Institute of Technology, 2017. http://hdl.handle.net/1721.1/109657.

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Thesis: Ph. D., Massachusetts Institute of Technology, School of Architecture and Planning, Program in Media Arts and Sciences, 2017.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 258-274).<br>This thesis is about designing shape change composite material for interactions. Interaction has gone beyond computer screens and electronics to enter the realm of physical materials. Shape changes at the micro level will cause shape changes and other physical property changes at the macro level. A design strategy for bioinspired shape-changing composite materials

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Bastidas, Erazo Pablo Daniel. "Degradation of composite insulators at material interfaces." Thesis, University of Manchester, 2018. https://www.research.manchester.ac.uk/portal/en/theses/degradation-of-composite-insulators-at-material-interfaces(69477a7e-9cc1-496e-a527-4bb64488493d).html.

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High-voltage (HV) outdoor composite insulators used in transmission lines are made of two polymers, comprising the core and housing, bonded together with metallic end-connections. The interface between these polymers is parallel to the electric field, which makes the insulators more prone to interfacial problems at these common points [1]. If interfacial ageing occurs, degradation and catastrophic breakdown can result [2]. Therefore, the design reliability of outdoor composite insulators depends on the high-strength bond between the core and the housing [3],[4]. Research findings by Kutil and

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Szpieg, Magdalena. "A novel composite material from recycled constituents /." Luleå : Luleå University of Technology, 2009. http://pure.ltu.se/ws/fbspretrieve/3350732.

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Freitas, Ricardo Luiz Barros de. "Fabricação, caracterização e aplicações do compósito PZT/PVDF /." Ilha Solteira, [s.n.], 2012. http://hdl.handle.net/11449/100281.

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Orientador: Aparecido Augusto de Carvalho<br>Coorientador: Antônio de Pádua Lima Filho<br>Banca: Cláudio Kitano<br>Banca: João Antonio Pereira<br>Banca: Adriano Rogério Bruno Tech<br>Resumo: Um material compósito é constituído pela combinação de dois ou mais materiais, onde se procura sintetizar um novo material multifásico, e que abrigue as melhores características individuais de cada um de seus constituintes. Compósitos de polímeros (matriz) e ferroelétricos (inclusões) podem manifestar piezoeletricidade, ou seja, a produção de uma resposta elétrica devido a uma excitação mecânica, e vice-ve

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19

Sacks, Serena. "Effects of thermal aging on the mechanical behavior of K3B matrix material and its relationship to composite behavior." Thesis, Georgia Institute of Technology, 1997. http://hdl.handle.net/1853/18865.

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Zhang, Bo. "Locally resonant composite material : analytical models and experiments /." View abstract or full-text, 2009. http://library.ust.hk/cgi/db/thesis.pl?CIVL%202009%20ZHANGB.

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Lee, Sang Jin. "Active, polymer-based composite material implementing simple shear." [College Station, Tex. : Texas A&M University, 2008. http://hdl.handle.net/1969.1/ETD-TAMU-2349.

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Kinard, Janet. "Material systems for rapid manufacture of composite structures." Thesis, Georgia Institute of Technology, 1999. http://hdl.handle.net/1853/16844.

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Manolakis, Ioannis. "Chemical modification of PEEK for composite material applications." Thesis, University of Reading, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.518223.

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Priston, Ann-Marie. "Evaluation of stress induced damage in composite material." Thesis, Nottingham Trent University, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.389766.

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Kim, Sungmin Mech E. Massachusetts Institute of Technology. "A study on cork-based plastic composite material." Thesis, Massachusetts Institute of Technology, 2011. http://hdl.handle.net/1721.1/68899.

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Thesis (Mech. E.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2011.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 115-116).<br>Sandwich panels are mainly used in construction for lightweight structures since their concept is appropriate due to extremely high in-plane and flexural stiffness to weight ratios. However, low structural freedom and high environmental burdens of core material in sandwich panels such as fiberglass, and chemically synthesized foams have retarded a wide use in various areas. Recently it has been suggeste

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Holt, Michael Dana. "Fatigue Microcracking of Composite Material IM7/977-2." ScholarWorks@UNO, 2007. http://scholarworks.uno.edu/td/1071.

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The application of an ultralight linerless composite fuel tank to a man-rated, reusable launch vehicle requires greater understanding of the micro-fracture behavior which can lead to propellant permeation through the tank wall. Transverse matrix cracks in unidirectional wound, or placed, plies can provide a path for permeation of pressurized fluid if the cracks interlink from the interior to the exterior of the tank wall. Following research on an energy based fracture mechanics approach to composite microcracking, experiments in fatigue were run on IM7/977-2 cross-ply laminates. Using a modifi

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Grosskopf, Paul P. "Mechanical behavior of a ceramic matrix composite material." Thesis, Virginia Tech, 1990. http://hdl.handle.net/10919/42214.

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<p>Monolithic ceramic materials have been used in industry for hundreds of years. These materials have proven their usefulness in many applications, yet, their potential for critical structural applications is limited. The existence of an imperfection in a monolithic ceramic on the order of several microns in size may be critical, resulting in catastrophic failure. To overcome this extreme sensitivity to sman material imperfections, reinforced ceramic materials have been developed. A ceramic matrix which has been reinforced with continuous fibers is not only less sensitive to microscopic flaws

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Hozić, Dženan. "Composite Structure Optimization using a Homogenized Material Approach." Licentiate thesis, Linköpings universitet, Mekanik, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-102316.

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The increasing use of bre-reinforced composite materials in the manufacturing of high performance structures is primarily driven by their superior strength-toweight ratio when compared to traditional metallic alloys. This provides the ability to design and manufacture lighter structures with improved mechanical properties. However, the specic manufacturing process of composite structures, along with the orthotropic material properties exhibited by bre-reinforced composite materials, result in a complex structural design process where a number of dierent design parameters and manufacturing issu

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Weber, Tobias [Verfasser]. "Numerical Field Simulations of Composite Material / Tobias Weber." Saarbrücken : Saarländische Universitäts- und Landesbibliothek, 2020. http://d-nb.info/1216877734/34.

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Tremaine, Kellie Michelle. "MODAL ANALYSIS OF COMPOSITE STRUCTURES WITH DAMPING MATERIAL." DigitalCommons@CalPoly, 2012. https://digitalcommons.calpoly.edu/theses/823.

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The purpose of this study is to develop an analytical solution for modal analysis of actively damped orthotropic composite plates in bending and to verify it with experimental analysis. The analytical modal analysis solution for composite plate dynamics is derived using Euler theory. This analysis applies to structures with orthotropic lamina of uniform material properties at any lamination angle. The bending-extensional coupling can be neglected for plates that are symmetric or approximately symmetric, which allows an exact solution for natural frequency and mode shape to be obtained. An exac

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31

Al-Taee, Shaymaa. "Evaluation of thermal and mechanical properties of the composite material of LignoBoost- lignin and recycled polyurethan : A preliminary feasibility study for a novel composite material from waste materials." Thesis, Karlstads universitet, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-65194.

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The purpose of this study was to investigate the possibility of producing a composite material of lignoBoost- lignin and recycled polyurethane. Also, the study evaluated the thermal and mechanical properties of the composite materials. These properties were investigated in a number of steps by applying different: additives, concentrations, conditions (temperature, time, and pressure), and equipment. The results from the preliminary trials show that it was impossible to produce a composite material from lignin/polyurethane blends. Hence, the blends were modified by adding acrylate and glycerol

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Foston, Marcus Bernard. "Cyclic, tethered and nanoparticulate silicones for material modification." Diss., Atlanta, Ga. : Georgia Institute of Technology, 2008. http://hdl.handle.net/1853/24762.

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Thesis (Ph.D.)--Polymer, Textile and Fiber Engineering, Georgia Institute of Technology, 2009.<br>Committee Chair: Dr. Haskell W. Beckham; Committee Member: Dr. Anselm Griffin; Committee Member: Dr. Johannes Leisen; Committee Member: Dr. Sankar Nair; Committee Member: Dr. Uwe Bunz.

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Cheuk, Ming Wai. "Study of composite material filler with different surface treatment /." access abstract and table of contents access full-text, 2004. http://libweb.cityu.edu.hk/cgi-bin/ezdb/dissert.pl?msc-ap-b21174106a.pdf.

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Thesis (M.Sc.)--City University of Hong Kong, 2004.<br>At head of title: City University of Hong Kong, Department of Physics and Materials Science, Master of Science in materials engineering & nanotechnology dissertation. Title from title screen (viewed on Aug. 31, 2006) Includes bibliographical references.

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Jack, David Abram. "Advanced analysis of short-fiber polymer composite material behavior." Diss., Columbia, Mo. : University of Missouri-Columbia, 2006. http://hdl.handle.net/10355/4363.

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Thesis (Ph. D.) University of Missouri-Columbia, 2006.<br>The entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file. Title from title screen of research.pdf file (viewed on August 2, 2007) Includes bibliographical references.

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Buggy, Stephen J. "Composite material process monitoring using optical fibre grating sensors." Thesis, Cranfield University, 2008. http://hdl.handle.net/1826/4035.

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In this thesis a long period grating (LPG) based sensor is investigated as a possible alternative to current process monitoring sensors used in the manufacture of composites to monitor cure. An LPG is demonstrated as a means of monitoring the cure of a UVcured epoxy resin. The wavelength shift of the attenuation bands were measured during the cure of the resin and compared with measurements made using a fibre optic Fresnel based refractometer. The results showed a good correlation (6 x 10 -3 rius) and illustrate the potential of the techniques for non-invasive composite material cure monitorin

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Hirst, Edward A. J. "Characterisation of hemp-line as a composite building material." Thesis, University of Bath, 2013. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.636516.

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Hemp-lime is a comparatively novel renewable insulation material in the construction industry. Its use was first documented in the 1980’s, however, recent increased interest and the release of popular publications has resulted in an increased need for scientific investigation into the material. The research conducted in this investigation firstly focussed on furthering the empirical characterisation of hemp-lime and its constituents with particular attention paid to minimising fabrication variables and increasing the accuracy of final specimen bulk densities. Secondly attempts were made to qua

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Ambrogio, Simone. "Finite Element Modeling of Short, Randomized Fiber Composite Material." Thesis, KTH, Lättkonstruktioner, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-290039.

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With the advent of hybrids and electric vehicles, the need for lightweight and highperformancematerials is growing. Sheet molding compound (SMC) is a compositemade of short and randomized bers that o ers a substantial weight reduction andgood mechanical properties while meeting the demand for large volume production.This thesis aims to develop a constitutive FE model of the SMC used in the bodyin black of an autonomous vehicle.To extract its properties, several physical tests were performed on specimens madeof the above-mentioned material. Both the tensile and three point bending testsresults

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Rezaizadeh, Mohammad Ali. "Pulsed-Laser Ultrasound Generation in Fiber-Reinforced Composite Material." Diss., Virginia Tech, 1998. http://hdl.handle.net/10919/26010.

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A laser-based ultrasonic technique using a pulsed laser for stimulating ultrasonic waves in fiber-reinforced composite materials is the subject of investigation. For convenience, the material is chosen to be homogeneous transversely isotropic. The study is strictly limited to the laser power regimes that are suitable for nondestructive evaluation. An elastodynamic methodology is presented based on integral formulation in order to develop a representation for the dynamic responses in terms of the characteristics of the source that originated the motion. This requires a computation of elastodyna

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Lane, Ryan Jeffrey. "Study of Wave Propagation in Damaged Composite Material Laminates." Thesis, Virginia Tech, 2018. http://hdl.handle.net/10919/86366.

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The characteristics of carbon fiber composites have enabled these materials to be accepted as replacements for metal parts in industry. However, due to their unsymmetrical material properties, carbon fiber composites are susceptible to damage, such as a delamination, which can cause premature failure in the structure. This has resulted in the need for nondestructive testing methods that can provide quick, reliable results so that these parts can be tested while in service. In this study, an approach was examined that involved a pencil lead break to excite multiple wave modes in a composite pla

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Zhang, Yanhong. "An investigation of shear response of composite material systems." Diss., This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-10042006-143846/.

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Lin, Chih-Hung, and 林志宏. "Identification of Material Constants of Composite Materials." Thesis, 1999. http://ndltd.ncl.edu.tw/handle/23415884646084014541.

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碩士<br>國立交通大學<br>機械工程系<br>87<br>A method for nondestructive evaluation of material properties of composite materials is presented. A multi-start algorithm for global constrained minimization is presented. In this algorithm the search trajectories are derived from the equation of motion of a particle in a conservative force field and the objective function which is the difference between the theoretically and experimentally predicted strains is treated as the potential energy of the particle. The applications of the proposed method are demonstrated by means of several examples on the identificat

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Guan, Ji Kong, and 管繼孔. "Composite material backed antennas." Thesis, 1995. http://ndltd.ncl.edu.tw/handle/94237815567742139234.

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Chi, Shyang-Ho, and 紀翔和. "The Study of Functional Gradient Material in composite Materials." Thesis, 1999. http://ndltd.ncl.edu.tw/handle/87870331266188623113.

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碩士<br>國立臺灣科技大學<br>營建工程系<br>87<br>The subject of this thesis mainly discusses the stress behaviors and stress intensity factors of cracks of composite material with functionally gradient material subjected to thermal loading by finite element method. There are five parts included in this thesis: (1)one material coating problem. (2)multi-layered homogeneous coating problem. (3)S-curve functionally gradient material problem. (4) anti-S-curve functionally gradient material problem. (5) the problem of FGM coating with a crack. This study indicates that the use of functionally gradient ma

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Umesh, K. "On The Effect Of Material Uncertainty And Matrix Cracks On Smart Composite Plate." Thesis, 2013. https://etd.iisc.ac.in/handle/2005/2603.

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Recent developments show the applications of smart structure in different engineering fields. Smart structures can be used for shape and vibration control, structural health monitoring etc. Smart materials can be integrated to composite structure to enhance its abilities. Fiber reinforced composites are the advanced materials of choice in aerospace applications due to its high strength and stiffness, light weight and ability to tailor according to the design requirements. Due to complex manufacturing process and varying operating conditions, composites are susceptible to variation in material

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Umesh, K. "On The Effect Of Material Uncertainty And Matrix Cracks On Smart Composite Plate." Thesis, 2013. http://etd.iisc.ernet.in/handle/2005/2603.

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Recent developments show the applications of smart structure in different engineering fields. Smart structures can be used for shape and vibration control, structural health monitoring etc. Smart materials can be integrated to composite structure to enhance its abilities. Fiber reinforced composites are the advanced materials of choice in aerospace applications due to its high strength and stiffness, light weight and ability to tailor according to the design requirements. Due to complex manufacturing process and varying operating conditions, composites are susceptible to variation in material

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WTWANG and 王文庭. "MATERIAL CONSTANTS IDENTIFICATION COMPOSITE STRUCTURES." Thesis, 2000. http://ndltd.ncl.edu.tw/handle/84179988213169077428.

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博士<br>國立交通大學<br>機械工程系<br>88<br>Composite laminates have been used extensively in the mechanical and aerospace industries for fabricating high performance structures. To ensure high reliability of the structures, the actual behaviors of the laminated composite parts in service must be accurately predicted and carefully monitored. It has also been pointed out that accurate determination of current stiffness or material properties of a laminated composite structure can help prevent sudden failure of the structure. The attainment of the actual behavioral predictions of the structures depends on th

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Lee, Jun-Yih, and 李俊毅. "MECHANICS PROPERTIES OF HYBRID COMPOSITE MATERIALS AND ESTABLISHMENT OF MATERIAL DATABASE." Thesis, 1997. http://ndltd.ncl.edu.tw/handle/90672414581916048690.

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碩士<br>國立臺灣大學<br>造船工程學系<br>85<br>The primary object of this paper is to study the mechanical properties of FRP composite materials which are frequently used in the ship-building yards of Taiwan. The properties are obtained via experiments of material test. Then the data obtained from the experiments is calculated by the principle of composite to predict the bending and tension properties of hybrid laminates . Another achievement of this paper is that the data base of FRP composite materials‘

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Chen, Juen-Chuen, and 陳俊村. "Composite Material Impact and Repair Study." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/50182169071611732910.

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碩士<br>中華科技大學<br>飛機系統工程研究所在職專班<br>100<br>ABSTRACT Materials industry has become more important as the progress of technology. Composite materials are widely applied in high-tech products nowadays. However, the panels with the sandwich structure of composite materials would be destroyed by the external loads or strikes. The purpose of this study is to explore whether composite materials used as materials of repairing structure would recover the original strength. This article discusses its impact behavior of composite glass fiber sandwich structure and structure performance after repair, desig

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Gu, Rong-Yao, and 古榮耀. "Nondestructive Evaluation for Sandwich Composite Material." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/98414161263548416529.

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Abstract:

碩士<br>中華科技大學<br>飛機系統工程研究所在職專班<br>100<br>ABSTRACT In this study, take composite materials as sample; evaluate the reliability of non-destructive testing and certification. Use the thermal imaging method to exam its internal defects by heat transfer characteristics of sandwich composite material. The detection method is to use an instantly heating device adding on a composite material, as well as infra-red thermal imaging apparatus. The infrared issued by the observation of the thermal imaging, from it can be identified by the detection of composite materials within the defects and normal area.

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50

Liu, Ren-Wei, and 劉人維. "Measurements of conductivity of composite material." Thesis, 1996. http://ndltd.ncl.edu.tw/handle/43937929502427658253.

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Abstract:

碩士<br>國立臺灣大學<br>電機工程研究所<br>84<br>The main point of this paper is the measurement of the attenuation of the microstripline that contains composite material and finding a method for estimating the conductivity of the composite material.The composite material that is under test is put under the dielectric slab of the microstripline ,regarded as the second medium .The attenuation constant of composite material is estimated by the S parameter of the two layer medium microstripline .It is the exp

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