117 Cure Monitoring of FRP Laminates by Using FBG Fiber Optic Strain and Temperature Sensors during Autoclave Molding
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概要
- 論文の詳細を見る
This paper describes applications of fiber Bragg grating (FBG) sensors to cure monitoring of composites during autoclave molding. FBG sensors are embedded into unidirectional glass fiber reinforced plastics (GFRP) laminates for measuring internal strain. Off-axis strain measurements by FBG sensors with angles of 0,45 and 90 degrees against reinforcing direction were conducted during cure. In addition, FBG temperature sensors were developed for cure monitoring of FRP laminates. Finally, simultaneous monitoring of strain and temperature during cure was conducted by using embedded FBG strain and temperature sensors. From the results, it appeared that FBG sensors were useful for residual strain monitoring during cure. The experimental results of the simultaneous measurement showed that this system had a good performance of strain measurement under temperature-changeable conditions. Therefore, it can be concluded that embedded FBG sensors are useful for cure monitoring of FRP laminates during autoclave molding.
- 一般社団法人日本機械学会の論文
著者
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FUKUDA Takehito
Department of Mechanical Engineering, Osaka City University
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Fukuda Takehito
Osaka City University Graduate School Of Engineering
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Fukuda Takehito
Department Of Mechanical Engineering Osaka City University
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KOSAKA Tatsuro
Osaka City University, Graduate School of Engineering
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Kosaka Tatsuro
Department of Intelligent Materials Engineering, Osaka City University
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Osaka Katsuhiko
Department of Intelligent Materials Engineering, Osaka City University
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Bando Atsushi
Department of Intelligent Materials Engineering, Osaka City University
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Bando Atsushi
Department Of Intelligent Materials Engineering Osaka City University
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Kosaka Tatsuro
Osaka City University Graduate School Of Engineering
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Kosaka Tatsuro
Department Of Aeronautics And Astronautics Graduate School Of Engineering The University Of Tokyo
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Osaka K
Osaka City Univ. Osaka Jpn
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