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Title: Modeling the effect of microstructure on elastic wave propagation in platelet-reinforced composites and ceramics
Authors: Le Ferrand, Hortense
Keywords: Microstructure
Engineering::Mechanical engineering
Elastic Waves
Issue Date: 2019
Source: Le Ferrand, H. (2019). Modeling the effect of microstructure on elastic wave propagation in platelet-reinforced composites and ceramics. Composite Structures, 111105-. doi:10.1016/j.compstruct.2019.111105
Journal: Composite Structures
Abstract: Dense ceramics are irreplaceable in applications requiring high mechanical stiffness, chemical and temperature resistance and low weight. To improve their toughness, ceramics can be reinforced with elongated inclusions. Recent manufacturing strategies have been developed to control the orientations of disc-like microparticles in polymeric and ceramic matrices and to build periodic microstructures. Given the infinite number of possible microstructures available, modeling tools are required to select the potentially best design. Periodic microstructures can be involved in elastic wave scattering to dissipate mechanical energy from vibrations. In this paper, a model is proposed to determine the frequency bandgaps associated to periodic architectures in composites and ceramics and the influence of microstructural parameters are investigated. The results are used to define guidelines for the future fabrication of hard bulk ceramic materials that combine traditional ceramic’s properties with high vibration resistance.
ISSN: 0263-8223
DOI: 10.1016/j.compstruct.2019.111105
Schools: School of Mechanical and Aerospace Engineering 
Rights: © 2019 Elsevier. All rights reserved. This paper was published in Composite Structures and is made available with permission of Elsevier.
Fulltext Permission: open
Fulltext Availability: With Fulltext
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