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    Modeling of Interphases in Fiber-Reinforced Composites Under Transverse Loading Using the Boundary Element Method

    Source: Journal of Applied Mechanics:;2000:;volume( 067 ):;issue: 001::page 41
    Author:
    Y. J. Liu
    ,
    J. F. Luo
    ,
    N. Xu
    DOI: 10.1115/1.321150
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: In this paper, interphases in unidirectional fiber-reinforced composites under transverse loading are modeled by an advanced boundary element method based on the elasticity theory. The interphases are regarded as elastic layers between the fiber and matrix, as opposed to the spring-like models in the boundary element method literature. Both cylinder and square unit cell models of the fiber-interphase-matrix systems are considered. The effects of varying the modulus and thickness (including nonuniform thickness) of the interphases with different fiber volume fractions are investigated. Numerical results demonstrate that the developed boundary element method is very accurate and efficient in determining interface stresses and effective elastic moduli of fiber-reinforced composites with the presence of interphases of arbitrarily small thickness. Results also show that the interphase properties have significant effect on the micromechanical behaviors of the fiber-reinforced composites when the fiber volume fractions are large. [S0021-8936(00)02501-0]
    keyword(s): Elasticity , Fibers , Fiber reinforced composites , Boundary element methods , Thickness , Displacement , Modeling , Stress AND Cylinders ,
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      Modeling of Interphases in Fiber-Reinforced Composites Under Transverse Loading Using the Boundary Element Method

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    http://yetl.yabesh.ir/yetl1/handle/yetl/123285
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    contributor authorY. J. Liu
    contributor authorJ. F. Luo
    contributor authorN. Xu
    date accessioned2017-05-09T00:01:46Z
    date available2017-05-09T00:01:46Z
    date copyrightMarch, 2000
    date issued2000
    identifier issn0021-8936
    identifier otherJAMCAV-26490#41_1.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/123285
    description abstractIn this paper, interphases in unidirectional fiber-reinforced composites under transverse loading are modeled by an advanced boundary element method based on the elasticity theory. The interphases are regarded as elastic layers between the fiber and matrix, as opposed to the spring-like models in the boundary element method literature. Both cylinder and square unit cell models of the fiber-interphase-matrix systems are considered. The effects of varying the modulus and thickness (including nonuniform thickness) of the interphases with different fiber volume fractions are investigated. Numerical results demonstrate that the developed boundary element method is very accurate and efficient in determining interface stresses and effective elastic moduli of fiber-reinforced composites with the presence of interphases of arbitrarily small thickness. Results also show that the interphase properties have significant effect on the micromechanical behaviors of the fiber-reinforced composites when the fiber volume fractions are large. [S0021-8936(00)02501-0]
    publisherThe American Society of Mechanical Engineers (ASME)
    titleModeling of Interphases in Fiber-Reinforced Composites Under Transverse Loading Using the Boundary Element Method
    typeJournal Paper
    journal volume67
    journal issue1
    journal titleJournal of Applied Mechanics
    identifier doi10.1115/1.321150
    journal fristpage41
    journal lastpage49
    identifier eissn1528-9036
    keywordsElasticity
    keywordsFibers
    keywordsFiber reinforced composites
    keywordsBoundary element methods
    keywordsThickness
    keywordsDisplacement
    keywordsModeling
    keywordsStress AND Cylinders
    treeJournal of Applied Mechanics:;2000:;volume( 067 ):;issue: 001
    contenttypeFulltext
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