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Crystallographic characterization of the middle shelf in a two-step ductile to brittle transition for a ferrite + pearlite structure steel sheet
http://hdl.handle.net/10131/00013022
http://hdl.handle.net/10131/00013022c257a900-e62d-4856-b3e0-a53beb111f8a
Item type | 学術雑誌論文 / Journal Article(1) | |||||
---|---|---|---|---|---|---|
公開日 | 2020-03-05 | |||||
タイトル | ||||||
タイトル | Crystallographic characterization of the middle shelf in a two-step ductile to brittle transition for a ferrite + pearlite structure steel sheet | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題 | Steel, Fracture, Ductile to brittle transition, Middle shelf | |||||
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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著者所属 | ||||||
Steel Research Laboratories, Nippon Steel & Sumitomo Metal Corporation, 20-1 Shintomi, Futtsu, Chiba 293-8511, Japan | ||||||
著者所属 | ||||||
Faculty of Engineering, Yokohama National University, 79-5 Tokiwadai, Hodogaya-ku, Yokohama, Kanagawa 240-8501, Japan | ||||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The middle shelf (MS) exhibits medium absorbed energy during a two-step ductile to brittle transition and appears clearly in a ferrite + pearlite steel sheet. The analysis involved using the electron backscattered diffraction technique and indicated that the traces of fracture surface and secondary cracks at MS and lower shelf (LS) correspond to low index crystallographic planes in bcc iron. Although the {001} cleavage plane in the ferrite grain is dominant for the fracture propagation path at LS, the traces at MS correspond to {001}, {112}, and {011} planes. The potential of fracture in the {001} plane at MS (i.e., the number of traces normalized by the number of equivalent planes) exceeds that in the {112} plane. However, the difference between the same is significantly lower than that at LS. Furthermore, the{112} and {011} planes are typical slip planes in bcc iron. This suggests that the fracture at MS propagates on the {001} plane with cleavage fracture as well as on the {112} and {011} planes with a slipping-off mechanism. | |||||
書誌情報 |
Materials Science and Engineering: A 巻 716, p. 252-259, 発行日 2018-12-14 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 09215093 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA10720420 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1016/j.msea.2018.01.030 | |||||
出版者 | ||||||
出版者 | Elsevier | |||||
関係URI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1016/j.msea.2018.01.030 | |||||
関連名称 | https://doi.org/10.1016/j.msea.2018.01.030 |