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Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 56 for “"Advanced Composite"”.
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Forming of advanced composite materials
Two significant aspects of advanced composite material forming are examined. First, the fiber deformation of aligned fiber composites formed to double curvature parts is analyzed. Aligned fiber composite lay-ups were formed over hemispherical tools and the fiber deformation was mapped. The data …
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The applicability of advanced composite structural members
Thesis (M.Eng.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 1999.
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Design cost model for advanced composite structures
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1992.
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Strengthening of concrete members with advanced composite materials
… (CFRP) cables, whereas the second is by bonding composite straps on the tension side of the members. In the first investigation, a total of twelve partially prestressed concrete beams were tested. Nine of the beams were first subjected to loads large enough to cause considerable cracking and …
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Experimental Nanoengineering of Multifunctionality into an Advanced Composite Laminate
Advanced structural fiber composite materials have lightweight, multi-directional, and tailorable properties which are vital for weight-critical applications such as aerospace vehicles. Nanoengineered aerospace-grade composites have been developed to have integrated multifunctionalities while …
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Use of advanced composite materials for innovative building design solutions/
Advanced composite materials become popular in construction industry for the innovative building design solutions including strengthening and retrofitting of existing structures. The interface between different materials is a key issue of such design solutions as the structural integrity relies …
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Delamination dynamics and vibrothermographic-thermoelastic evaluation of advanced composite materials
… experimental testing of damaged composite plates, frequency dependent heat generation phenomena were observed. Local hot spots were formed around imperfection areas especially delaminations. Heat generation was also found to relate to the crack size. In order to explain the above …
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Impact damage resistance and tolerance of advanced composite material systems
… presented for nine laminated fiber reinforced composite material systems. The experiments employ a small scale specimen for assessing the impact damage resistance and impact damage tolerance of these materials. The damage area detected by C-scan is observed to develop linearly with the impact …
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Heat transfer in an anisotropic thermosetting advanced composite during its cure
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 1993.
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Production functions and cost models for fibers in advanced composite materials
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 1986.
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Cost modeling and design for manufacturing guidelines for advanced composite fabrication
… are almost none (excluding proprietary) for advanced composite materials. Therefore, the central objective of this thesis is to provide a comprehensive overview of the costs of common composite production technologies such as Hand Layup, Resin Transfer Molding, Automated Tow Placement, …
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Design analysis of single-span advanced composite deck-and-stringer bridge systems
The advantages of advanced composite materials (ACM) over conventional materials motivate their use in highway bridges for rehabilitation and replacement of structures. However, the complexity of the composites has created a need for simplified design analysis procedures that account for both the …
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Design and manufacture of advanced composite aircraft structures using automated tow placement
Thesis (S.M.)--Massachusetts Institute of Technology, Sloan School of Management; and, Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1996.
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Nanomaterial-enabled manufacturing for next-generation multifunctional advanced composite prepreg laminate architectures
Manufacturing of advanced aerospace-grade structural composites has traditionally utilized autoclaves to impart heat and pressure, in addition to vacuum, to create high-quality, void (defect)- free, reproducible structures. Carbon (micro) fiber reinforced polymer (CFRP) composites, which are …
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The formation of advanced composite materials over complex geometric shapes using inflated diaphragms
Thesis (B.S.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1997.
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Modeling and response analysis of thin-walled beam structures constructed of advanced composite materials
… mechanical and civil ones. With the advent of advanced composite material systems, there is a vital need to reformulate the classical theory of thin-walled beams in a wider framework. This dissertation is intended to incorporate several essential effects which have a considerable importance for …
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Application of acoustic emission sensing for the non-destructive evaluation of advanced composite materials
To evaluate the state of health of the composite, a real-time, in-situ acoustic emission (AE) damage detection system has been developed, where the monitoring of AE activity emitted from within a carbon/epoxy composite material (CFRP) is achieved using an all-fibre Mach-Zehnder interferometric …
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Strengthening of reinforced masonry walls subjected to out-of-plane pseudo-static cyclic load using advanced composite
… masonry walls (URM) strengthened with advanced composite materials. Consequently, the strengthening design guidelines are limited in their scope to URM. This research aimed to investigate the behavior of reinforced masonry walls strengthened with advanced composite and subjected to …
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Finite element simulation of Durelli's photoelastic stress minimization method for shape optimization
… optimal stress raiser profiles in isotropic and advanced composite structures. In Durelli's method, material in lowly stressed regions of the design domain is removed so as to make the sections of the discontinuity boundary become isochromatics of the same Tresca stress. The process of material …
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A study of tension, compression, and shear test methods for advanced composites
… of the literature pertaining to test methods for advanced composite materials has been carried out. Several test methods were discussed and compared for each of three areas of interest. These areas were uniaxial tension, uniaxial compression and in-plane shear. Test methods were selected for …
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