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    National Tsing Hua University Institutional Repository > 電機資訊學院 > 資訊工程學系 > 期刊論文 >  3D finite element analysis of the damage effects on the dental composite subject to water sorption


    Please use this identifier to cite or link to this item: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/66349


    Title: 3D finite element analysis of the damage effects on the dental composite subject to water sorption
    Authors: Jianping, Fan;C.P., Tsui;C.Y., Tang;C.L., Chow
    教師: 唐傳義
    Date: 2006
    Publisher: Elsevier
    Relation: Acta Mechanica Solida Sinica,Volume 19,Issue 3,September 2006,Pages 212-222
    Keywords: Water analysis
    Three dimensional
    Stress concentration
    Sorption
    Polymers
    Plasticizers
    Mechanical properties
    Hydroxyapatite
    Elasticity
    Elastic moduli
    Biomechanics
    Debonding
    Dental composites
    Abstract: The damage effects of water sorption on the mechanical properties of the hydroxyapatite particle reinforced Bis-GMA/TEGDMA copolymer (HA/Bis-GMA/TEGDMA) have been predicted using 3D finite cell models. The plasticizer effect on the polymer matrix was considered as a variation of its Young's modulus. Three different cell models were used to determine the influence of varying particle contents, interphase strength and moisture concentration on the debonding damage. The stress distribution pattern has been examined and the stress transfer mode clarified. The Young's modulus and fracture strength of the Bis-GMA/TEGDMA composite were also predicted using the model with and without consideration of the damage. The former results with consideration of the debonding damage are in good agreement with existing literature experimental data. The shielding effect of our proposed model and an alternative approach were discussed. The FCC cell model has also been extended to predict the critical load for the damaged and the undamaged composite subject to the 3-point flexural test.
    URI: http://www.sciencedirect.com/science/article/pii/S089491660960241X
    http://www.elsevier.com/
    http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/66349
    Appears in Collections:[資訊工程學系] 期刊論文

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