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A modeling approach to evaluate grain interaction induced by {111} <011-> planar slips in face-centered cubic polycrystalline materials
http://hdl.handle.net/10131/8471
http://hdl.handle.net/10131/8471c51a43d8-0ad9-4a2b-917c-8236eaa55e78
名前 / ファイル | ライセンス | アクション |
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ISIJ52.pdf (1.6 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2013-12-13 | |||||
タイトル | ||||||
タイトル | A modeling approach to evaluate grain interaction induced by {111} <011-> planar slips in face-centered cubic polycrystalline materials | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題 | subsurface crack initiation, Taylor theory, austenitic steel, high-cycle fatigue, stress concentration, heterogeneous deformation, incompatibility | |||||
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 | |||||
著者 |
Morita, Motoaki
× Morita, Motoaki× Umezawa, Osamu |
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著者(ヨミ) | ||||||
識別子Scheme | WEKO | |||||
識別子 | 18986 | |||||
姓名 | モリタ, モトアキ | |||||
著者(ヨミ) | ||||||
識別子Scheme | WEKO | |||||
識別子 | 480 | |||||
識別子Scheme | e-Rad | |||||
識別子URI | https://kaken.nii.ac.jp/ja/search/?qm=20343171 | |||||
識別子 | 20343171 | |||||
姓名 | ウメザワ, オサム | |||||
著者所属 | ||||||
Graduate School of Engineering, Yokohama National University | ||||||
著者所属 | ||||||
Faculty of Engineering, Yokohama National University | ||||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | An accommodation deformation model to relax incompatibility between soft (yielded) and hard (nonyielded) grains was proposed. Dislocation arrays were installed in the soft grain to investigate the effect of secondary slips on accommodating the displacement incompatibility due to the grain interaction at the grain boundary. When a secondary slip in the soft grain is active on the same plane as the dislocation arrays, it can accommodate the displacement incompatibility in almost all orientations. However, a dislocation reflection on the primary slip plane is difficult to adopt for accommodation deformation. When the secondary slip in the soft grain is restricted to a plane without the primary slip, accommodation deformation in the soft grain does not occur. To accommodate the displacement incompatibility at the grain boundary, slip systems in the adjacent grain are required in almost all orientations. Around the orientation at which the secondary plastic deformation is the hardest to achieve, three slip systems are operating in areas of accumulation with high displacement incompatibility. Thus, the three slip systems should operate on different octahedral slip planes. However, the displacement incompatibility is not fully accommodated, and a stress field remains near the normal to {111}. The combination of sufficient stress concentration to open the grain boundary and the assembly of dislocations on the three slip systems at the grain boundary may be the cause of intergranular cracking. | |||||
書誌情報 |
ISIJ International 巻 52, 号 6, p. 1153-1161, 発行日 2012 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 09151559 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA10680712 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.2355/isijinternational.52.1153 | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 |