Three-dimensional characterization of fatigue crack propagation behavior in an aluminum alloy using high resolution X-ray microtomography

Hui Zhang, Peng Cheng Qu, Yuuji Sakaguchi, Hiroyuki Toda, Masakazu Kobayashi, Kentaro Uesugi, Yoshio Suzuki

研究成果: 書籍/レポート タイプへの寄稿会議への寄与

3 被引用数 (Scopus)

抄録

Synchrotron X-ray microtomography was used to investigate the three-dimensional fatigue crack propagation behavior of an aluminum alloy. Local crack growth rates along specimen thickness were calculated. Crack observation revealed that crack propagation was retarded in three regions where there exist overlapping crack segments. Crack growth retardation was found to occur in these crack overlapping regions due to stress shielding. Observation of crack propagation process indicated that one of the overlapping crack segments initiated from the twisted crack. Crack tip opening displacement was measured and it was found that crack opening was larger in single planar crack region than that in crack overlapping region.

本文言語英語
ホスト出版物のタイトルTHERMEC 2009
編集者Tara Chandra, Tara Chandra, Tara Chandra, N. Wanderka, N. Wanderka, N. Wanderka, Walter Reimers, Walter Reimers, Walter Reimers, M. Ionescu, M. Ionescu, M. Ionescu
出版社Trans Tech Publications Ltd
ページ378-383
ページ数6
ISBN(印刷版)0878492941, 9780878492947
DOI
出版ステータス出版済み - 2010
外部発表はい
イベント6th International Conference on Processing and Manufacturing of Advanced Materials - THERMEC'2009 - Berlin, ドイツ
継続期間: 8月 25 20098月 29 2009

出版物シリーズ

名前Materials Science Forum
638-642
ISSN(印刷版)0255-5476
ISSN(電子版)1662-9752

その他

その他6th International Conference on Processing and Manufacturing of Advanced Materials - THERMEC'2009
国/地域ドイツ
CityBerlin
Period8/25/098/29/09

!!!All Science Journal Classification (ASJC) codes

  • 材料科学一般
  • 凝縮系物理学
  • 材料力学
  • 機械工学

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