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Simulation of thermal stress and fatigue life prediction of high speed steel work roll during hot rolling considering the initial residual stress
http://hdl.handle.net/10228/00007712
http://hdl.handle.net/10228/000077123b6a5104-af17-4993-9f83-6e19f8d423ad
名前 / ファイル | ライセンス | アクション |
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metals-09-00966.pdf (1.9 MB)
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Item type | 学術雑誌論文 = Journal Article(1) | |||||||||||
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公開日 | 2020-04-21 | |||||||||||
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 | |||||||||||
タイトル | ||||||||||||
タイトル | Simulation of thermal stress and fatigue life prediction of high speed steel work roll during hot rolling considering the initial residual stress | |||||||||||
言語 | ||||||||||||
言語 | eng | |||||||||||
著者 |
Hu, Kejun
× Hu, Kejun× Zhu, Fuxian× Chen, Jufang× 野田, 尚昭
WEKO
3665
× Han, Wenqin× 佐野, 義一 |
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抄録 | ||||||||||||
内容記述タイプ | Abstract | |||||||||||
内容記述 | Considerable residual stress is produced during heat treatment. Compressive residual stress at the shell is conductive to improving the thermal fatigue life of a work roll, while tensile stress in the core could cause thermal breakage. In hot rolling, thermal stress occurs under the heating-cooling cycles over the roll surface due to the contact with the hot strip and water spray cooling. The combination of thermal stress and residual stress remarkably influences the life of a work roll. In this paper, finite element method (FEM) simulation of hot rolling is performed by treating the residual stress as the initial stress. Afterwards, the effects of the initial roll temperature and cooling conditions on thermal stress considering the initial residual stress are discussed. Lastly, the thermal fatigue life of a work roll is estimated based on the strain life model. The higher initial roll temperature causes a higher temperature but a lower compressive thermal stress at the roll surface. The surface temperature and compressive stress increase significantly in the insufficient cooling conditions, as well as the center tensile stress. The calculation of the fatigue life of a work roll based on the universal slopes model according to the 10% rule and 20% rule is reasonable compared with experimental results. | |||||||||||
書誌情報 |
Metals 巻 9, 号 9, p. 966-1-966-19, 発行日 2019-09-02 |
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出版社 | ||||||||||||
出版者 | MDPI | |||||||||||
DOI | ||||||||||||
関連タイプ | isIdenticalTo | |||||||||||
識別子タイプ | DOI | |||||||||||
関連識別子 | info:doi/10.3390/met9090966 | |||||||||||
ISSN | ||||||||||||
収録物識別子タイプ | ISSN | |||||||||||
収録物識別子 | 2075-4701 | |||||||||||
著作権関連情報 | ||||||||||||
権利情報 | Copyright (c) 2019 by the authors. Licensee MDPI, Basel, Switzerland. | |||||||||||
著作権関連情報 | ||||||||||||
権利情報 | Creative Commons Attribution (CC BY) license | |||||||||||
著作権関連情報 | ||||||||||||
権利情報 | http://creativecommons.org/licenses/by/4.0/ | |||||||||||
キーワード | ||||||||||||
主題Scheme | Other | |||||||||||
主題 | work roll | |||||||||||
キーワード | ||||||||||||
主題Scheme | Other | |||||||||||
主題 | residual stress | |||||||||||
キーワード | ||||||||||||
主題Scheme | Other | |||||||||||
主題 | thermal stress | |||||||||||
キーワード | ||||||||||||
主題Scheme | Other | |||||||||||
主題 | thermal fatigue | |||||||||||
キーワード | ||||||||||||
主題Scheme | Other | |||||||||||
主題 | FEM | |||||||||||
出版タイプ | ||||||||||||
出版タイプ | VoR | |||||||||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||||||||
査読の有無 | ||||||||||||
値 | yes | |||||||||||
研究者情報 | ||||||||||||
https://hyokadb02.jimu.kyutech.ac.jp/html/10_ja.html | ||||||||||||
論文ID(連携) | ||||||||||||
10353530 | ||||||||||||
連携ID | ||||||||||||
8214 | ||||||||||||
資料タイプ | ||||||||||||
内容記述タイプ | Other | |||||||||||
内容記述 | Journal Article | |||||||||||
著者所属 | ||||||||||||
School of Materials and Engineering, Jiangsu University of Technology, Changzhou 213001, China | ||||||||||||
著者所属 | ||||||||||||
School of Materials and Engineering, Jiangsu University of Technology, Changzhou 213001, China | ||||||||||||
著者所属 | ||||||||||||
School of Materials and Engineering, Jiangsu University of Technology, Changzhou 213001, China | ||||||||||||
著者所属 | ||||||||||||
Department of Mechanical Engineering, Kyushu Institute of Technology, Kitakyushushi 804-8550, Japan | ||||||||||||
著者所属 | ||||||||||||
School of Materials and Engineering, Jiangsu University of Technology, Changzhou 213001, China | ||||||||||||
著者所属 | ||||||||||||
Department of Mechanical Engineering, Kyushu Institute of Technology, Kitakyushushi 804-8550, Japan | ||||||||||||
情報源 | ||||||||||||
識別子タイプ | DOI | |||||||||||
関連識別子 | https://doi.org/10.3390/met9090966 | |||||||||||
関連名称 | https://doi.org/10.3390/met9090966 |