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切欠き板試験片の弾塑性ひずみ挙動の研究 : 3.鋼およびアルミニウム合金のひずみ集中係数と塑性域寸法


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Title: 切欠き板試験片の弾塑性ひずみ挙動の研究 : 3.鋼およびアルミニウム合金のひずみ集中係数と塑性域寸法
Other Titles: Study on Elastic-Plastic Strain Behavior ahead of Notch in Plate Specimen : 3. Discussion on Strain Concentration Factor and Plastic Zone Size of Steel and of Aluminum Alloy
Authors: 真谷, 捷郎
Authors (alternative): Shingai, Katsurou
Issue Date: Jul-1997
Citation: 長崎大学工学部研究報告 Vol.27(49) p. 185-190, 1997
Abstract: The tensile tests have been conducted in order to investigate the elastic-plastic strain concentration factor and plastic zone size in plate specimens with notches by using strain gages. From test result, we show the relationship between the multiply of the strain concentration factor by the stress concentration factor and the net stress, and compares these result with Neuber's equation. Strain concentration factors obtained experimentally are also compared with estimated values by ASME Code Case N47 method. The relationships between strain concentration factor and plastic zone size or relative plastic zone size are shown. It is found that the estimated values of strain concentration factor are larger than the experimental values in case of steel, and that in case of aluminum alloy the estimated values are nearly same or smaller than the experimented values. It is also found that the relation strain concentration factor and relative plastic zone size becomes linear in spite of different notch root radiuses.
URI: http://hdl.handle.net/10069/15017
ISSN: 02860902
Type: Departmental Bulletin Paper
Appears in Collections:Volume 27, No. 49

Citable URI : http://hdl.handle.net/10069/15017

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