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Three-Dimensional Microscopic Elemental Analysis Using an Automated High-Precision Serial Sectioning System

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Title: Three-Dimensional Microscopic Elemental Analysis Using an Automated High-Precision Serial Sectioning System
Authors: Fujisaki, Kazuhiro Browse this author →KAKEN DB
Yokota, Hideo Browse this author →KAKEN DB
Furushiro, Naomichi Browse this author
Komatani, Shintaro Browse this author
Ohzawa, Sumito Browse this author
Sato, Yoshimichi Browse this author
Matsunaga, Daisuke Browse this author
Himeno, Ryutaro Browse this author
Higuchi, Toshiro Browse this author
Makinouchi, Akitake Browse this author
Keywords: serial sectioning
elemental mapping
microscopic structure
precision cutting
three-dimensional model
internal structure
Issue Date: 1-Apr-2011
Publisher: Cambridge University Press
Journal Title: Microscopy and Microanalysis
Volume: 17
Issue: 2
Start Page: 246
End Page: 251
Publisher DOI: 10.1017/S143192761009450X
PMID: 21362208
Abstract: The elemental composition and microscopic-level shape of inclusions inside industrial materials are considered important factors in fracture analytical studies. In this work, a three-dimensional (3D) microscopic elemental analysis system based on a serial sectioning technique was developed to observe the internal structure of such materials. This 3D elemental mapping system included an X-ray fluorescence analyzer and a high-precision milling machine. Control signals for the X-ray observation process were automatically sent from a data I/O system synchronized with the precision positioning on the milling machine. Composite specimens were used to confirm the resolution and the accuracy of 3D models generated from this system. Each of the two specimens was composed of three metal wires of 0.5 mm diameter braided into a single twisted wire that was placed inside a metal pipe; the pipe was then filled with either epoxy resin or Sn. The milling machine was used to create a mirror-finish cross-sectional surface on these specimens, and elemental analyses were performed. The twisted wire structure was clearly observed in the resulting 3D models. This system enables automated investigation of the 3D internal structure of materials as well as the identification of their elemental components.
Rights: Copyright © Microscopy Society of America 2011
Type: article
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 横田 秀夫

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