3-D high-density strain mapping procedure based on high-resolution CT

Masakazu Kobayashi, Hiroyuki Toda, Tomomi Ohgaki, Kentaro Uesugi, David S. Wilkinson, Toshiro Kobayashi, Yuji Kawai, Yoshimitsu Aoki

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

2 被引用数 (Scopus)

抄録

A tracking procedure for the high-resolution X-ray computed tomography (CT) has been developed in order to measure 3-D local strain within a deforming material in high-density. A dispersion-strengthened copper alloy model sample with alumina particles, which contains micropores, was visualized by the synchrotron radiation CT. The pores observed in reconstructed CT volumes were used as tracking markers. The developed tracking method using a set of matching parameters, which classifies matched, pended and rejected markers, exhibited high ratio of success tracking. Furthermore, the ratio was improved by applying the spring model method, which is one of the particle image velocity (PIV) methods utilized in the field of the fluid mechanics, to the pended markers. The method based on the image analysis of CT imaging volumes provides us 3-D high-density strain mapping.

本文言語英語
ホスト出版物のタイトルSupplement to THERMEC 2006, 5th International Conference on PROCESSING and MANUFACTURING OF ADVANCED MATERIALS, THERMEC 2006
出版社Trans Tech Publications Ltd
ページ2377-2382
ページ数6
PART 3
ISBN(印刷版)0878494286, 9780878494286
DOI
出版ステータス出版済み - 2007
外部発表はい
イベント5th International Conference on Processing and Manufacturing of Advanced Materials - THERMEC'2006 - Vancouver, カナダ
継続期間: 7 4 20067 8 2006

出版物シリーズ

名前Materials Science Forum
番号PART 3
539-543
ISSN(印刷版)0255-5476
ISSN(電子版)1662-9752

その他

その他5th International Conference on Processing and Manufacturing of Advanced Materials - THERMEC'2006
国/地域カナダ
CityVancouver
Period7/4/067/8/06

All Science Journal Classification (ASJC) codes

  • 材料科学(全般)
  • 凝縮系物理学
  • 材料力学
  • 機械工学

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