Microfracture Mechanisms of Composite Resins Containing Prepolymerized Particle Fillers
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概要
- 論文の詳細を見る
The effect of prepolymerized particle fillers on fracture toughness of four commercial composite resins was studied. The ground surface morphology was examined with a field emission scanning electron microscope. Fracture toughness was determined by using single edge notched specimens. Acoustic Emission(AE), which is the elastic wave due to the release of energy from the localized sources of material, was detected by sensors of a high-sensitivity and lownoise resonance type during the fracture toughness test. Acoustic Emission signals detected were analyzed for parameters such as amplitude and energy. Fracture surfaces were examined with a scanning electron microscope. The fracture toughness values, AE releasing patterns during fracture toughness test, and the fracture surface findings were analyzed to understand the fracture behavior of composite resins containing prepolymerized particle fillers. A microfracture model and fracture mechanisms to increase the fracture toughness of this type of composite resins are proposed.
- 日本歯科理工学会の論文
著者
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Kim Kyo-Han
Department of Medical & Engineering, Kyungpook National Univ
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Kim Kyo-han
Medical & Biological Engineering Graduate School Kyungpook National Univ.:department Of Dental B
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Kim K‐h
Department Of Dental Biomaterials College Of Dentistry Kyungpook National University
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Kim Kyo-han
Department Of Dental Biomaterials College Of Dentistry Kyungpook National University
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OKUNO Osamu
Department of Dental Materials Science,School of Dentistry,Tohoku University
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Kim Kyo-han
Institute For Biomaterials Research & Development Kyungpook National Univ.:department Of Dental
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Okuno Osamu
Department Of Dental Materials Science School Of Dentistry Tohoku University
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Okuno Osamu
Department Of Dental Biomaterials Graduate School Of Dentistry Tohoku University
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KIM Young-Bin
Department of Dental Biomaterials, College of Dentistry and Institute of Biomaterials Research and D
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Kim Young-bin
Department Of Dental Biomaterials College Of Dentistry And Institute Of Biomaterials Research And De
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OKUNO Osamu
Department of Dental Materials Science, School of Dentistry, Tohoku University
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