On Visualization of Inner Microstructure in Rocks by Micro Focus X ray CT.

DOI Web Site 2 Citations
  • TAKAHASHI Manabu
    Research Center for Deep Geological Enviroments
  • LIN Weiren
    Research Center for Deep Geological Enviroments
  • HIRONO Tetsuro
    Division of Earth and Planetary Sciences, Graduate School of Science, Hokkaido University; JSPS Research Fellow
  • YAMAMOTO Yuzuru
    Doctor Program in Geoscience, University of Tsukuba

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Other Title
  • マイクロフォーカスＸ線ＣＴによる岩石内部構造の可視化について
  • マイクロフォーカス Xセン CT ニ ヨル ガンセキ ナイブ コウゾウ ノ カシカ ニ ツイテ

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To visualize the microstructure in rocks, micro focus X ray CT images that can get three-dimensional data simultaneously with high resolution of 10 micron have been introduced. We obtained multi planar reconstruction images in intact Berea sandstone and Shirahama sandstone. In the intact rocks, pore structures and grain boundaries are distinguished well. Furthermore, existence of the crushed grains arrangements and fracture band is confirmed definitely in the compressed Berea sandstone under confining pressure of 12 MPa. Micro focus X ray CT is rather effective in visualizing the microstructures in rocks.

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