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Title :S15CK中央切欠試験片の延性破壊挙動に及ぼす切欠長さの影響について
Title alternative :Effects of Notch Length on Extension Behavior of a Ductile Fracture in a Center Notched Plate of S15CK
Authors :真壁, 朝敏
兼城, 英夫
高良, 一夫
Authors alternative :Makabe, Chobin
Kaneshiro, Hideo
Takara, Kazuo
Issue Date :25-Jan-1990
Abstract :Ductile fracture extension of a notched specimen was investigated by means of the observation of the crack growth behavior on the specimen surface. Correlation between the ductile crack growth and the initial notch length was examined in order to understand the feature of the ductile fracture which was extended by the center crack. In this experiment, the crack growth rate, da /dε, for the strain increment depends on the crack length, a, and the value of the nondimensionalized crack growth rate, (da / dε) / a, is higher for the short notch length that the long notch length. Crack opening displacement near the crack tip is also dependent on the crack length and the behavior of the crack opening shows a good relation with that of crack growth.
Type Local :雑誌掲載論文
ISSN :03875008
Publisher :日本機械学会
URI :http://hdl.handle.net/20.500.12000/211
Citation :日本機械学会論文集. A編 = Transactions of the Japan Society of Mechanical Engineers. A Vol.56 no.521 p.78 -83
Appears in Collections:Peer-reviewed Journal Articles (Faculty of Engineering)

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