Three-dimensional T-stresses for three-point-bend specimens with large thickness variation

Material type: 文書・図像類

Author: Lu, Kaiほか

Publisher: Elsevier

Publication date: 2014

Material Format: Digital

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Note (General)：: Three-point-bend (3PB) test specimens are useful for the systematic investigation of the influence of statistical and constraint loss size effects on ...

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Material Type: 文書・図像類
Title: Three-dimensional T-stresses for three-point-bend specimens with large thickness variation
Author/Editor: Lu, Kai
Meshii, Toshiyuki
Author Heading: Lu, Kai
Meshii, Toshiyuki
Publication, Distribution, etc.: Elsevier
Publication Date: 2014
Publication Date (W3CDTF): 2014
Periodical title: Engineering Fracture Mechanics
No. or year of volume/issue: 116
Volume: 116
Pages: 197-203
Text Language Code: eng
Subject Heading: Elastic T-stress
Three-point-bend specimen
Finite element analysis
Fracture toughness
Constraint effect
Target Audience: 一般
Note (General): Three-point-bend (3PB) test specimens are useful for the systematic investigation of the influence of statistical and constraint loss size effects on the cleavage fracture toughness of a material in the ductile-to-brittle transition temperature range. Because the in- and out-of-plane elastic T-stresses (T11 and T33) are a measure of the crack-tip constraint and even the in-plane T11 exhibits three-dimensional (3D) effects, the 3D T-stresses solutions were obtained by running finite element analyses (FEA) for 3PB specimens with wide ranges of the crack depth-to-width ratio (a/W = 0.2 to 0.8) and the specimen thickness-to-width ratio (B/W = 0.1 to 40). The results show that the 3D T11 at the specimen mid-plane tended to deviate from the 2D T11 as B/W increased, with the deviation saturating for B/W 〓 2. The mid-plane T33 increased with B/W and was close to the plane strain value νT11 for B/W 〓 2.
Access Restrictions: 限定公開
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 福井大学 : 福井大学学術機関リポジトリ