Stress wave propagation in a metal–plastic bonded laminate immersed fluid is investigated based on linear viscoelastic theory. The reflection spectrum theoretically derived for normal incidence. For the incidence from plastic layer, amplitude of shown to have local minima at resonance frequencies every single layer. Resonance metal layer leads destructive interference reflected components, whil...

Re-establishing a patient's lost dental esthetic appearance is one of the most important topics for contemporary dentistry. New treatment materials and methods have been coming on the scene, day by day, in order to achieve such an aim. Most dentists prefer more conservative and aesthetic approaches, such as direct and indirect laminate veneer restorations, instead of full-ceramic crowns for ant...

• PEI film inclusions improve the Mode I and II interlaminar toughness performance of CF/PEEK laminates. laminates toughened with at delamination susceptible ply interfaces exhibited superior impact relative to baseline a smaller damage footprint Unlike thermoset based composite laminates, all tested on surface. This is useful attribute in aerospace structures, where barely visible (BVID) conce...

The literature shows that variable amplitude loading can be much more severe than constant in a fatigue damage context. However, the underlying physical explanations for this are still unknown. Therefore, paper investigates if local energy release rate at each intralaminar crack tip tension/tension loaded multidirectional laminate used to determine growth of these cracks subjected loading. is i...

Nevertheless, in order to respond to the economic and environmental criteria, hydrogen production and storage have to be improved. This work focuses on gaseous storage under high pressure (700 bar) using a type III vessel (figure 1) that is to say composed of a metal liner – which prevents gas diffusion – and of a composite laminate wrapped by filament winding – which is used as a mechanical st...