Influence of Stress-strain Curve on Post-yield Behavior of Notched Plate(WELDING MECHANICS, STRENGTH AND DESIGN)
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概要
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This paper reports the study on the mechanical behaviors of notched plate and on the allowable notch size based on the elongation capacity in the two grades of steels. The tensile tests were performed on the center notched plate specimen. The elasto plastic stress analysis was also performed to investigate on stress and strain distribution by finite element method. The following conclusions were obtained 1) The fracture mode depends on the mechanical properties and/or the stress concentration. 2) The evaluation of deformation is unavaidable as well as the strength with notched member. 3) The elongation at fracture depends on notch length and/or notch tip radius. 4) ε/εy=10 is suggested for the tentative criterion for the check of deformation.
- 大阪大学の論文
著者
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HORIKAWA Kohsuke
Osaka University
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SUZUKI Hiroyuki
Osaka University
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Horikawa Kohsuke
Osaka Univ.
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Suzuki Hiroyuki
Osaka Univ.
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