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Middle Shelf During Ductile to Brittle Transition on Ferrite + Pearlite Structure Steel Sheet
http://hdl.handle.net/10131/00013025
http://hdl.handle.net/10131/00013025ff770bdc-f434-436e-a97f-2ac5e40384ec
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2020-03-05 | |||||
タイトル | ||||||
タイトル | Middle Shelf During Ductile to Brittle Transition on Ferrite + Pearlite Structure Steel Sheet | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題 | Cleavage Fracture, Ductile to Brittle Transition, Quasi-Cleavage Fracture, Steel | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
Kawata, Hiroyuki
× Kawata, Hiroyuki× Umezawa, Osamu |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The steels consisting of multi-phase structure show an advantage for their high strength and good formability. The ductile to brittle transition with decreasing temperature has been investigated by Charpy impact test with sub-size specimen for the ferrite + pearlite structure steel sheet. The transition curve of the absorbed energy showed a two-step transition behavior, and the “middle shelf” appeared clearly in the curve. The cleavage-like fracture with few dimples appeared on the fracture surface of the specimens at the middle shelf, and the plastic strain was detected just below the fracture surface. This result suggested that the fracture at the middle shelf propagates with the quasi-cleavage fracture accompanied with plastic deformation. Although the traces of fracture surface corresponded to (001), (011), and (112) bcc-iron planes, the (001) cleavage plane was not dominant for the fracture propagation path at the middle shelf. | |||||
書誌情報 |
Materials Science Forum 巻 941, p. 453-457, 発行日 2018-12 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 16629752 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.4028/www.scientific.net/MSF.941.453 | |||||
出版者 | ||||||
出版者 | Scientific.net | |||||
関係URI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.4028/www.scientific.net/MSF.941.453 | |||||
関連名称 | https://doi.org/10.4028/www.scientific.net/MSF.941.453 |