Three-Dimensional Reconstruction of Fracture Surface Using Area Matching Algorithm(Physics, Processes, Instruments & Measurements)
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概要
- 論文の詳細を見る
A system for the reconstruction of three-dimensional topography from stereoscopic SEM micrographs has been developed. From the relative displacement between the corresponding points measured by an area based matching procedure, the elevation of overall surface was calculated on the basis of the stereo-photographic principle, and digital elevation models (DEMs) of investigated surfaces were reconstructed on the monitor of a personal computer. The system was applied to an impact fracture surface of type 329J4L duplex stainless steel tested at 273K. The reconstructed images revealed that several cracks propagated through the ductile and brittle regions parallel to each other, keeping about 10μm intervals in elevation among them. The reconstruction of the cleavage fracture surface of type 444 ferritic stainless steel was made, and cleavage steps of the river pattern which the elevations are greater than the minimum elevation value can be detected and reconstructed in this system
- 大阪大学の論文
著者
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IKEUCHI Kenji
Osaka University
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KURODA Toshio
Osaka University
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Ikeuchi K
Kyoto Univ. Kyoto Jpn
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Ikeuchi K
大阪大学接合科学研究所
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Kuroda T
Osaka University
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Ikeuchi Kenji
Welding Research Institute Osaka University
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KITAGAWA Yoshihiko
Osaka University
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NAKADE Katsuyuki
Osaka University
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INOUE Kazuhiko
Osaka University
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Nakade K
Osaka University
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