In-plane elastic wave propagation and band-gaps in layered functionally graded phononic crystals

Fomenko, Sergey I.; Golub, Mikhail V.; Zhang, Ch.; Bui, Tinh Quoc; Wang, Yue‐Sheng

doi:10.1016/j.ijsolstr.2014.03.017

Cited by 81 publications

(25 citation statements)

References 36 publications

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“…The higher the number of layers, which simulate the degraded part of the matrix, the better is the accuracy of the proposed model. A similar approach has been applied by Wu et al [8], Golub et al [9], and Fomenko et al [10] in order to model functionally graded materials.…”

Section: Arrangements and Mechanical Properties Of The Constituentsmentioning

confidence: 99%

“…In this article, the degraded matrix region is modeled by multiple layers with increasing or decreasing values of the mechanical properties. A similar approach has been applied by Wu et al [8], Golub et al [9], and Fomenko et al [10] to study the dispersion relation in one-dimensional phononic crystals with functionally graded materials, and by Burla et al [11] for the determination of effective composite properties.…”

Section: Introductionmentioning

confidence: 98%

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Shear wave propagation in layered composites with degraded matrices at locations of imperfect bonding

et al. 2018

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Biodegradable polymers find an increasing number of applications in different fields of engineering and medicine due to their environmental-friendly degradation. The process of degradation of biodegradable polymer constituents and the bonding quality between the constituents in composites can be identified by the analysis of the phononic band structure. The present article considers a layered composite, in which the matrix degradation is modeled by a multitude of layers with decreasing values of their mechanical properties. Bonding between the inclusion and the degrading matrix is taken into account by a linear elastic bonding model in the first case and by a viscoelastic model in the second case.

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Section: Arrangements and Mechanical Properties Of The Constituentsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 98%

Shear wave propagation in layered composites with degraded matrices at locations of imperfect bonding

et al. 2018

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“…In many cases the fibers in polymer matrices are surface-treated or coated by an interphase to improve the adhesion between the constituents mechanically of chemically (see, e.g., Wu et al [46]), and Karger-Kocsis et al [32] review the recent developments in fiber/matrix interphase engineering for polymer composites. In mechanical modeling, a single interphase layer or a multitude of interphase layers might simulate a graded or degraded part of the matrix (see, e.g., Fomenko et al [17], and Andrianov et al [4]), which might, for example, be the result of exposure to environmental conditions such as air or moisture. Yao et al [47] present a modified shear-lag model that considers a graded interphase with varying Young's modulus in the radial direction.…”

Section: Introductionmentioning

confidence: 99%

Local stress distribution in composites for pulled-out fibers with axially varying bonding

2020

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We present a study on the local stress distribution in a composite for a single-fiber pulled-out model. We consider an interphase between a fiber of finite length and the matrix, and we take into account varying bonding conditions in the axial direction between the fiber and the interphase and between the interphase and the matrix. Bonding is modeled by a modification of the classical spring-layer model, in which the quality of bonding between two constituents is quantified by a proportionality constant that describes the ratio of the displacements to the acting shear stresses in an interface. The problem is studied for linear elastic and for viscoelastic problems by the means of the elastic-viscoelastic correspondence principle. In numerical examples, we illustrate the development of the normal stresses in the constituents and of the interfacial shear stresses for different bonding conditions as well as for viscoelastic creep in the matrix.

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“…This failure can be attributed to impact during launch by a piece of heat insulated bushing weighing less than 2 kg. In order to avoid such catastrophic failures in the future, a methodological study aimed at studying impact and damage diagnosis of composite materials has always become a hot topic for health monitoring of structures [5][6][7][8][9][10][11][12][13][14].…”

Section: Introductionmentioning

confidence: 99%

Determining impact induced damage by lamb wave mode extracted by EMD method

Yuan

Wang

et al. 2015

Measurement

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In-plane elastic wave propagation and band-gaps in layered functionally graded phononic crystals

Cited by 81 publications

References 36 publications

Shear wave propagation in layered composites with degraded matrices at locations of imperfect bonding

Shear wave propagation in layered composites with degraded matrices at locations of imperfect bonding

Local stress distribution in composites for pulled-out fibers with axially varying bonding

Determining impact induced damage by lamb wave mode extracted by EMD method

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