Three-Dimensional Visualization Technique for Fracture Surface using VRML

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  • ＶＲＭＬによる破断面の三次元可視化技術
  • VRML ニ ヨル ヒダンメン ノ 3ジゲン カシカ ギジュツ

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Abstract

Three-dimensional analysis of fracture surface using SEM (Scanning Electron Microscope) is inevitable to clarifythe cause of fracture. Fracture surface often has complex forms and is difficult to be recognized only from two-dimensional scanning electron micrographs. Although three-dimensional profile can be measured and bird's-eye view can be displayed by using some techniques like TOPO-SEM, and real three-dimensional image of specimen cannot be obtained, it was still difficult to understand detailed topography information of complex fracture surface. In this paper, by combining the algorithm which was proposed to measure three-dimensional shapes of fracture surface in high accuracy with VRML (Virtual Reality Modeling Language), a new visualization method is developed which can produce real three-dimensional image of fracture surface in Internet. The results to reconstruct fracture surface indicate that this technology will become a powerful tool to analyze fracture surface effectively and understand fracture better. It has been so far difficult to realize these functions in a personal computer.

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