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    An Orthotropic Integrated Flow-Stress Model for Process Simulation of Composite Materials—Part II: Three-Phase Systems

    Source: Journal of Manufacturing Science and Engineering:;2019:;volume( 141 ):;issue: 003::page 31011
    Author:
    Amini Niaki, Sina
    ,
    Forghani, Alireza
    ,
    Vaziri, Reza
    ,
    Poursartip, Anoush
    DOI: 10.1115/1.4041862
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: In this paper, the two-phase orthotropic integrated flow-stress (IFS) process model presented in Part I is extended to a three-phase model where the third-phase accounts for the presence of gas in the composite material system. The gas flow and its compressibility are taken into account, while the seamless transformation of the resin material from its initially liquid stage to a cured solid material is incorporated within the previously developed IFS framework. A three-phase orthotropic flow model is employed to describe the behavior of the composite material during the pregelation stage of the process cycle which transforms continuously to a solid mechanics model using a stepwise three-phase micromechanics. The model is implemented in a u–v–P plane strain finite element code similar to that presented in Part I but with extended degrees-of-freedom accounting for the velocity and pressure of the gas phase. The numerical model is applied to the debulking and curing process of an L-shaped unidirectional composite laminate. Performance of the model is assessed through evaluating the process-induced deformations and residual porosity distribution over the spatial domain of the laminate.
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      An Orthotropic Integrated Flow-Stress Model for Process Simulation of Composite Materials—Part II: Three-Phase Systems

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4255638
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    contributor authorAmini Niaki, Sina
    contributor authorForghani, Alireza
    contributor authorVaziri, Reza
    contributor authorPoursartip, Anoush
    date accessioned2019-03-17T09:43:28Z
    date available2019-03-17T09:43:28Z
    date copyright1/25/2019 12:00:00 AM
    date issued2019
    identifier issn1087-1357
    identifier othermanu_141_03_031011.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4255638
    description abstractIn this paper, the two-phase orthotropic integrated flow-stress (IFS) process model presented in Part I is extended to a three-phase model where the third-phase accounts for the presence of gas in the composite material system. The gas flow and its compressibility are taken into account, while the seamless transformation of the resin material from its initially liquid stage to a cured solid material is incorporated within the previously developed IFS framework. A three-phase orthotropic flow model is employed to describe the behavior of the composite material during the pregelation stage of the process cycle which transforms continuously to a solid mechanics model using a stepwise three-phase micromechanics. The model is implemented in a u–v–P plane strain finite element code similar to that presented in Part I but with extended degrees-of-freedom accounting for the velocity and pressure of the gas phase. The numerical model is applied to the debulking and curing process of an L-shaped unidirectional composite laminate. Performance of the model is assessed through evaluating the process-induced deformations and residual porosity distribution over the spatial domain of the laminate.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleAn Orthotropic Integrated Flow-Stress Model for Process Simulation of Composite Materials—Part II: Three-Phase Systems
    typeJournal Paper
    journal volume141
    journal issue3
    journal titleJournal of Manufacturing Science and Engineering
    identifier doi10.1115/1.4041862
    journal fristpage31011
    journal lastpage031011-8
    treeJournal of Manufacturing Science and Engineering:;2019:;volume( 141 ):;issue: 003
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
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