Nondestructive Evaluation of Weld Defect by Photoacoustic Microscopy and Its Destructive Inspection Using Replica
スポンサーリンク
概要
- 論文の詳細を見る
The nondestructive evaluation (NDE) of a surface crack and an internal defect introduced in the welded region of an aluminum plate has been demonstrated by photoacoustic microscopy. The surface crack and internal defect are a blowhole and an incomplete fusion, which were formed in the weld metal during welding. Experiments were carried out at different modulation frequencies. Furthermore, to gather information on the internal defect, the measurement of the size and shape of the weld defect was carried out by the replica technique. A stereoscopic image of the replica specimen was compared with a photoacoustic (PA) amplitude image.
- 2011-07-25
著者
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Kato Ryosuke
Department Of Chemistry Faculty Of Science Kochi University
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Hoshimiya Tsutomu
Department of Applied Physics and Informatics, Tohoku Gakuin University, 13-1 Chuo-1, Tagajyo 985-8537, Japan
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Kato Ryosuke
Department of Mechanical Engineering and Intelligent Systems, Tohoku Gakuin University, Tagajo, Miyagi 985-8537, Japan
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Hoshimiya Tsutomu
Department of Electronic Engineering, Tohoku Gakuin University, Tagajo, Miyagi 985-8537, Japan
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Endoh Haruo
Department of Mechanical Engineering and Intelligent Systems, Tohoku Gakuin University, Tagajo, Miyagi 985-8537, Japan
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