Journal ArticleDOI
Influence of void microstructure on the effective elastic properties of discontinuous fiber-reinforced composites:
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In this article, the influence of void microstructure on the effective elastic properties of high fiber volume fraction discontinuous fiber-reinforced composites with randomly oriented fiber was investigated.Abstract:
This study investigates the influence of void microstructure on the effective elastic properties of high fiber volume fraction discontinuous fiber-reinforced composites with randomly oriented fiber...read more
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Voids in fiber-reinforced polymer composites: A review on their formation, characteristics, and effects on mechanical performance:
TL;DR: In this article, the most studied type of manufacturing defects, voids, form very often in processing of fiber-reinforced composites and have a considerable influence on physical and thermomechanical properties.
Journal ArticleDOI
A multiscale analysis for predicting the elastic properties of 3D woven composites containing void defects
Tao Huang,Yaohua Gong +1 more
TL;DR: In this paper, the effects of void defect on the elastic properties of fiber tows and woven composites are discussed, and it is shown that void defects exert significant influence on elastic moduli of fibers, except on the out-of-plane elastic modulus.
Journal ArticleDOI
Characterization, synthetic generation, and statistical equivalence of composite microstructures
TL;DR: In this article, a methodology was developed in which random microstructures are generated and subsequently adjusted to simultaneously match both short and long-range statistics of actual micro-structures.
Journal ArticleDOI
Multi-scale elastic property prediction of 3D five-directional braided composites considering pore defects
TL;DR: In this paper, a modified Chamis model is proposed to calculate elastic properties of yarns with pore defects and validated by the finite element method (FEM) to predict elastic constants of 3D five-directional braided composites, and a homogenized full-scale model is developed to evaluate the possibility and facility in macroscopic performance characterization of braded composites with void defects.
Journal ArticleDOI
Quantification of degraded constitutive coefficients of composites in the presence of distributed defects
TL;DR: In this article, the effect of distributed defects on effective material properties of composites is required for the progressive failure models, and the degradation of the effective materials properties due to the distributed defects is discussed.
References
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Journal ArticleDOI
The Determination of the Elastic Field of an Ellipsoidal Inclusion, and Related Problems
TL;DR: In this paper, it is shown that to answer several questions of physical or engineering interest, it is necessary to know only the relatively simple elastic field inside the ellipsoid.
Journal ArticleDOI
Average stress in matrix and average elastic energy of materials with misfitting inclusions
Trevor A. Mori,K Tanaka +1 more
TL;DR: In this paper, a method of calculating the average internal stress in the matrix of a material containing inclusions with transformation strain is presented. But the authors do not consider the effects of the interaction among the inclusions and of the presence of the free boundary.
Journal ArticleDOI
A variational approach to the theory of the elastic behaviour of multiphase materials
Zvi Hashin,S. Shtrikman +1 more
TL;DR: In this paper, the authors derived upper and lower bounds for the effective elastic moduli of quasi-isotropic and quasi-homogeneous multiphase materials of arbitrary phase geometry.
Book
Micromechanics of defects in solids
Toshio Mura,D. M. Barnett +1 more
TL;DR: In this paper, the authors present numerical simulation of intergranular and transgranular crack propagation in ferroelectric polycrystals using double kink mechanisms for discrete dislocations in BCCs.
Journal ArticleDOI
A self-consistent mechanics of composite materials
TL;DR: In this article, the elastic moduli of two-phase composites are estimated by a method that takes account of the inhomogeneity of stress and strain in a way similar to the Hershey-Kroner theory of crystalline aggregates.