Results 291 to 300 of about 2,040,887 (358)
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Acoustic Emission in Composite Laminates

Journal of Nondestructive Evaluation, 1998
The response of a laminated plate to internal acoustic emission events is examined in detail. The plate consists of four layers of a unidirectional fiber composite material arranged in a cross-ply configuration. The sources considered include a vertical line couple, a horizontal line couple and a line double couple without moment.
openaire   +1 more source

Snapthrough and free vibration of bistable composite laminates using a simplified Rayleigh-Ritz model

Composite structures, 2018
The snapthrough and free vibration response of bistable cross-ply [ 90 n / 0 n ] composite laminates is investigated. Thin unsymmetric composite laminates possess more than one equilibrium position when cooled to room temperature due to the difference in
Samir A. Emam
semanticscholar   +1 more source

Strength of composites repaired by laminating with dissimilar composites

The Journal of Prosthetic Dentistry, 1988
D efective composite restorations are usually replaced by completely removing the existing material. However, certain clinical conditions may make it advisable to remove only a portion of the existing restoration before the addition of new material. For example, this technique might be preferred if the existing restoration is near the pulp, retained by
E C, Kao, H G, Pryor, W M, Johnston
openaire   +2 more sources

An investigation on composite laminates including shear thickening fluid under stab condition

Journal of composite materials, 2018
Shear thickening fluids have been extensively utilized in composite laminate structures to enhance the impact resistance in the last decade. Despite the contribution of shear thickening fluids to the protective systems, the mechanism behind the energy ...
Selim Gürgen
semanticscholar   +1 more source

INTELLIGENT TAILORING OF COMPOSITE LAMINATES

Carbon, 1989
Abstract A number of major failure modes in epoxy-matrix composites are reviewed including free edge opening mode delamination, free edge interlaminar shear controlled laminate failure, and impact damage. Methods for suppressing these failure modes through various laminate tailoring techniques are discussed.
openaire   +1 more source

Experimental and numerical investigation of low velocity impact on electrospun nanofiber modified composite laminates

Composite structures, 2018
Delamination is a common problem in composite laminates which is due to interlaminar crack growth. Toughening of composite laminates using interleaved nanofiber mats is a novel method for increasing the interlaminar fracture toughness of these materials.
Hesam Yademellat   +3 more
semanticscholar   +1 more source

The Consolidation of Laminate Composites

Journal of Composite Materials, 1987
A general mathematical model wich allows for three dimensional flow, and one dimen sional consolidation of the composite, is developed. The model assumes that the fibers make up a deformable, nonlinear elastic network. The resin flow is modelled using Darcy's Law for an anisotropic porous medium, with a resin of time varying viscosity. The general case
Timothy G. Gutowski   +2 more
openaire   +1 more source

Finite element modeling of damage development in cross-ply composite laminates subjected to low velocity impact

, 2017
Composite laminates are susceptible to low-velocity impact and the induced damage substantially reduces the residual mechanical performance and safe-service life of the composite structures. In this paper, a finite element model based on continuum damage
C. Zhang, E. A. Duodu, J. Gu
semanticscholar   +1 more source

A numerical homogenization of E-glass/acrylic woven composite laminates: Application to low velocity impact

Composite structures, 2018
For recyclability purposes, an acrylic resin (Elium 150) has been recently developed for the elaboration of laminated composites at room temperature.
G. Kinvi-Dossou   +5 more
semanticscholar   +1 more source

Composite Lamination to Wood

Polymers and Polymer Composites, 1996
In order to enhance the stiffness and strength characteristics of wood, hybrid laminates consisting of spruce wood with (a) graphite-epoxy and (b) polyester-glass cloth were made. These hybrid laminates were tested for tension, three-point bending and cantilever bending to estimate the effectiveness of the lamination.
R.M.V. Pidaparti, K. Johnson
openaire   +1 more source

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