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Showing 1 to 20 of 534 for “"Laminated"”.
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Magnetoelectric laminated composites and devices
… magnetoelectric (ME) effects have been found in laminated composites of piezoelectric and magnetostrictive layers. Compared to ME single phase and two phase particulate composites, laminated composites have much higher ME coefficients and are also readily fabricated. In this thesis, I have …
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Engineered Alumina / Silicon Carbide Laminated Composites
… Several ceramic composites and, in particular, laminated structures have been developed in recent years to enhance strength, toughness and to improve flaw tolerance. Significant strength increase and improved mechanical reliability, in terms of Weibull modulus or minimum threshold failure …
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Point sources in cylindrically laminated rods
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 1998.
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Dynamic instability of composite laminated plates
Dynamic instability in a laminated composite plate is studied using the finite element technique. The governing equations are derived based on the first order shear deformation theory with a linear strain-displacement relationship. The regions of instability for the resulting set of coupled Mathieu …
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Nonlinear analysis of laminated fibrous composites
A computerized analysis of the nonlinear behavior of fibrous composite laminates including axial loading, thermal loading, temperature dependent properties, and edge effects is presented. Ramberg-Osgood approximations are used to represent lamina stress-strain behavior and percent retention curves …
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Secondary Buckling of Laminated Composite Plates
The postbuckling load carrying capacity of composite plates offers immense potential to their applications for loads exceeding their primary buckling load. However, such an efficient and economical usage of these plates can be reliable only if the nonlinear postbuckling behavior of these plates, …
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Thermoelastic stress analysis of laminated composite materials
… data from a variety of multi-directional laminated composites. In order to interpret the thermoelastic signal correctly the source of the thermoelastic response has been investigated in detail. In this thesis four possible routines to extract quantitative stress/strain information from …
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The tribology of laminated magnetic recording heads
… that lead to pole tip recession (PTR) in laminated magnetic recording heads (also known as "sandwich heads"). These heads provide a platform for the utilisation of advanced soft magnetic thin films in practical recording heads suitable for high frequency helical scan tape recording …
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Self-healing laminated composites from prepreg fabrics
Fiber-reinforced polymeric (FRP) composites are eminent engineering materials for structural applications due to their high strength-to-weight ratios. During their service life, FRP composites are often exposed to severe conditions leading to fatigue-induced damage. This damage mode is complex and …
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Mechanical characterisation of float and laminated glass
… characterisation of glass, particularly laminated glass (LG) and float glass (FG), which are the most commonly used types in various applications. Despite its growth, the understanding of the structural behaviour of glass and mechanical properties is still not as advanced as that of other …
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Modeling impact damage in laminated composite plates
Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 2003.
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Progressive failure analysis of laminated composite structures
A methodology for progressive failure analysis is presented that is applicable to thin composite structures undergoing large deformations. The method is based on a nonlinear shell theory that accounts for geometric and material nonlinearities. An isoparametric, displacement-based finite element …
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Lamb wave propagation in laminated composite plates
… phase velocities can be used to characterize laminated composite plates with and without damage since each material and stacking sequence gives distinct lowest symmetric and antisymmetric curves. Stiffness reduction of composite laminates caused by damage can be related to the change in Lamb …
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The finite element analysis of laminated composites
Laminated plates with homogeneous isotropic layers in bending and extension were investigated by an analytical method.
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Accelerated Durability Characterization of Laminated Polycarbonate Systems
… has become apparent. One such example is the laminated glass systems often used in automobiles where two sheets are bonded (laminated) together with a plastic interlayer. Several types of interlayers have been used for these laminated systems, with polyvinyl butyral (PVB) being the most …
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Flutter of laminated plates in supersonic flow
… for solving flutter problems of simply supported laminated plates using linear small deflection theory. The plate construction may be arbitrary as long as it satisfies the assumptions of linear small deflection theory. For such plates, the bending and extensional governing equations are coupled …
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Progressive Failure Analysis of Laminated Composite Structures
Laminated composite structures have started to play a very significant role in today's aircraft industry. The application of composite materials has now gone beyond the borders of aircraft design and has entered into such fields as automotive, athletics and recreational equipment, etc. The light …
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Half-Lap Cross Laminated Timber Pegged Joints
Cross laminated timber (CLT) is a panelized structural system consisting of odd layers of dimension sawn lumber stacked perpendicularly to the previous layer. Since the introduction of CLT to North America, man research projects have been conducted on the material properties of CLT panels as well …
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The Structure-Function Relationships in Laminated Barrier Films
… polyesters and polyolefins, as well as laminated films using these polymers. A wide variety of additives are used both in polymers and foodstuffs. Four additives were used in this study water, 3% acetic acid, butylated hydroxytoluene (BHT) and e-caprolactam. Techniques were developed to …
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