Relaxation Modulus of Denture Base Resin Reinforced with Woven Glass Fibers
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概要
- 論文の詳細を見る
This study examined the reinforcing effect of woven glass fibers on the relaxation modulus by three-point loading of denture base resin. Three sandwich-type flexure test specimens polymerized by heating were used, all 3 mm thick: glass fibers in compression (U type); glass fibers in the center (C type); and glass fibers in tension (L type). Unreinforced specimens (ACR) were produced as a control. The relaxation modulus after 8 sec from the start of stress {Er(8)} was calculated from stress relaxation curves. In the glassy state, the Er(8)s of the U and L types were greater than those of the ACR and C types. In the rubbery state (plateau region), the Er(8)s of the U and L types were greater than those of the ACR and C types. The woven glass fibers added to the U and L type specimens increased the relaxation modulus of PMMA near the oral temperature; moreover, they inhibited stress relaxation when the temperature increased.
- 日本歯科理工学会の論文
著者
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Kanie Takahito
Department Of Biomaterials Science Graduate School Of Medical And Dental Sciences Kagoshima Universi
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Arikawa Hiroyuki
Department Of Biomaterials Science Graduate School Of Medical And Dental Sciences Kagoshima Universi
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Arikawa Hiroyuki
鹿児島大学 医歯総研究歯科理工学
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Fujii K
Department Of Biomaterials Science Graduate School Of Medical And Dental Sciences Kagoshima Universi
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Fujii Koichi
Department Of Biomaterials Science Graduate School Of Medical And Dental Sciences Kagoshima Universi
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Kanie Takahito
Department Of Biomaterials Science Graduate School Of Medical And Dental Sciences Kagoshima Universi
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Fujii Koichi
Department Of Biomaterials Science Field Of Oral And Maxillofacial Rehabilitation Course For Advance
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