Effective properties of particulate composites with surface-varying interphases

Lidiia Nazarenko; Henryk Stolarski; Holm Altenbach

doi:10.1016/j.compositesb.2018.05.002

Effective properties of particulate composites with surface-varying interphases

Lidiia Nazarenko, Henryk Stolarski, Holm Altenbach

Civil, Environmental, and Geo- Engineering

Research output: Contribution to journal › Article › peer-review

9 Scopus citations

Abstract

A concept of equivalent inhomogeneity is adopted to facilitate analysis of effective properties of particulate composites with surface-varying interphases. The basic idea is to replace the inhomogeneity and its interphase by a single equivalent inhomogeneity, combining properties of both. It is illustrated considering spherical inhomogeneity with spring layer model of interphases. Due to surface-varying properties of the interphase the resulting equivalent inhomogeneity is anisotropic. Thus, the Method of Conditional Moment – developed for composites with anisotropic constituents – is applied in analysis of the effective properties of the composite. For particular case of homogeneous interphase, the results obtained here are compared with those available in the literature.

Original language	English (US)
Pages (from-to)	268-284
Number of pages	17
Journal	Composites Part B: Engineering
Volume	149
DOIs	https://doi.org/10.1016/j.compositesb.2018.05.002
State	Published - Sep 15 2018

Keywords

A. Particle-reinforcement
B. Interface/interphase
B. Surface properties
C. Analytical modeling

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abstract = "A concept of equivalent inhomogeneity is adopted to facilitate analysis of effective properties of particulate composites with surface-varying interphases. The basic idea is to replace the inhomogeneity and its interphase by a single equivalent inhomogeneity, combining properties of both. It is illustrated considering spherical inhomogeneity with spring layer model of interphases. Due to surface-varying properties of the interphase the resulting equivalent inhomogeneity is anisotropic. Thus, the Method of Conditional Moment – developed for composites with anisotropic constituents – is applied in analysis of the effective properties of the composite. For particular case of homogeneous interphase, the results obtained here are compared with those available in the literature.",

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AU - Nazarenko, Lidiia

AU - Stolarski, Henryk

AU - Altenbach, Holm

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N2 - A concept of equivalent inhomogeneity is adopted to facilitate analysis of effective properties of particulate composites with surface-varying interphases. The basic idea is to replace the inhomogeneity and its interphase by a single equivalent inhomogeneity, combining properties of both. It is illustrated considering spherical inhomogeneity with spring layer model of interphases. Due to surface-varying properties of the interphase the resulting equivalent inhomogeneity is anisotropic. Thus, the Method of Conditional Moment – developed for composites with anisotropic constituents – is applied in analysis of the effective properties of the composite. For particular case of homogeneous interphase, the results obtained here are compared with those available in the literature.

AB - A concept of equivalent inhomogeneity is adopted to facilitate analysis of effective properties of particulate composites with surface-varying interphases. The basic idea is to replace the inhomogeneity and its interphase by a single equivalent inhomogeneity, combining properties of both. It is illustrated considering spherical inhomogeneity with spring layer model of interphases. Due to surface-varying properties of the interphase the resulting equivalent inhomogeneity is anisotropic. Thus, the Method of Conditional Moment – developed for composites with anisotropic constituents – is applied in analysis of the effective properties of the composite. For particular case of homogeneous interphase, the results obtained here are compared with those available in the literature.

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KW - B. Interface/interphase

KW - B. Surface properties

KW - C. Analytical modeling

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