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    Size Effect on Functionally Graded Material Fabrication by Sedimentation

    Source: Journal of Nanomechanics and Micromechanics:;2015:;Volume ( 005 ):;issue: 002
    Author:
    Po-Hua Lee
    ,
    Huiming Yin
    DOI: 10.1061/(ASCE)NM.2153-5477.0000087
    Publisher: American Society of Civil Engineers
    Abstract: A simple, economic, and scalable material manufacturing method of sedimentation has been used to fabricate functionally graded materials for solar roofing panels. This paper investigates the size effect of aluminum powder on the material gradation in the depth direction when only aluminum powder or the mixture of aluminum and high-density polyethylene (HDPE) powder is uniformly dispersed in ethanol and then subjected to sedimentation for a certain period, respectively. A Stokes’ law–based model is developed to simulate the sedimentation process, in which the concentration of aluminum and HDPE particles temporally and spatially changes in the depth direction due to the nonuniform motion of particles. The concentration variation further changes the effective viscosity of the suspension, and thus affects the drag force of particles. The numerical simulation demonstrates the effect of manufacturing parameters for sedimentation and predicts the graded microstructure of deposition in the depth direction. The present modeling and testing method provides a very useful tool for the material design and optimization of the solar roofing materials.
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      Size Effect on Functionally Graded Material Fabrication by Sedimentation

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    http://yetl.yabesh.ir/yetl1/handle/yetl/78165
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    contributor authorPo-Hua Lee
    contributor authorHuiming Yin
    date accessioned2017-05-08T22:20:28Z
    date available2017-05-08T22:20:28Z
    date copyrightJune 2015
    date issued2015
    identifier other42116600.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/78165
    description abstractA simple, economic, and scalable material manufacturing method of sedimentation has been used to fabricate functionally graded materials for solar roofing panels. This paper investigates the size effect of aluminum powder on the material gradation in the depth direction when only aluminum powder or the mixture of aluminum and high-density polyethylene (HDPE) powder is uniformly dispersed in ethanol and then subjected to sedimentation for a certain period, respectively. A Stokes’ law–based model is developed to simulate the sedimentation process, in which the concentration of aluminum and HDPE particles temporally and spatially changes in the depth direction due to the nonuniform motion of particles. The concentration variation further changes the effective viscosity of the suspension, and thus affects the drag force of particles. The numerical simulation demonstrates the effect of manufacturing parameters for sedimentation and predicts the graded microstructure of deposition in the depth direction. The present modeling and testing method provides a very useful tool for the material design and optimization of the solar roofing materials.
    publisherAmerican Society of Civil Engineers
    titleSize Effect on Functionally Graded Material Fabrication by Sedimentation
    typeJournal Paper
    journal volume5
    journal issue2
    journal titleJournal of Nanomechanics and Micromechanics
    identifier doi10.1061/(ASCE)NM.2153-5477.0000087
    treeJournal of Nanomechanics and Micromechanics:;2015:;Volume ( 005 ):;issue: 002
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
    yabeshDSpacePersian