113 Active Control for Stress Intensity of Crack-tip under Mixed Mode by Shape Memory TiNi Fiber Epoxy Composite
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概要
- 論文の詳細を見る
Suppression of stress intensity in crack tip vicinity under mixed mode by using active enhancement in shape memory alloy hybrid composite was presented in this research. Shape memory alloy (SMA) TiNi fiber reinforced epoxy composite were fabricated and its material and mechanical properties were investigated by photoelastic examinations. The stress intensity at crack tip zone were obtained using photoelastic method and the decrease of stress intensity factor K_I and K_II under mixed mode resulted from recovery force when the temperature is over by heating over A_f temperature were examined. The relationship of stress intensity decrease with the pre-strain in SMA fiber and the ambient temperature in isothermal furnace were clarified. On this basis, the active control for stress intensity in shape memory composite was discussed.
- 一般社団法人日本機械学会の論文
著者
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Shimamoto Akira
Department Of Mechanical Engineering Saitama Institute Of Technology
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Azakami Takeshi
Department Of Mechanical Engineering Saitama Institute Of Technology
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Azakami Takeshi
Department Of Machinery Saitama Institute Of Technology
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ARAKI Syuichi
Saitama Institute of Technology
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