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Microstructure development in cryogenically rolled oxide dispersion strengthened copper
http://hdl.handle.net/10655/00013043
http://hdl.handle.net/10655/0001304350d84143-09d9-44a5-8b5a-41d9df1f7e38
名前 / ファイル | ライセンス | アクション |
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Materialia.9_100520 (2.6 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2022-02-17 | |||||
タイトル | ||||||
タイトル | Microstructure development in cryogenically rolled oxide dispersion strengthened copper | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | ODS copper | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Cryogenic rolling | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Microstructure development | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Recrystallization | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Tensile properties | |||||
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 |
Aghamiri, S.M.S.
× Aghamiri, S.M.S.× Zhang, S.H.× UKAI, S.× Oono, N.× Kasada, R.× NOTO, Hiroyuki× Hishinuma, Yoshimitsu× MUROGA, Takeo |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Recently, advanced oxide dispersion strengthened (ODS) copper alloys have been developed using mechanical alloying process as a fusion material. In this study, to develop a superior ODS copper alloy containing 0.5wt% Y2O3, the effect of cryogenic rolling on microstructure development and tensile properties was studied using high resolution EBSD, TEM and tensile tests. During cryogenic deformation of ODS copper, grain structure remains in submicron size scale as a combinatorial result of geometrically effects, nanotwin bundle deformation, interaction of dislocations with fine oxide particles and some diffusional processes including static recovery and recrystallization. Clear microstructural characterizations confirmed nucleation of fine new oriented recrystallized grains mainly on the HABs of 80%cryogenic rolled ODS copper. Quantitative analyses indicated grain boundary migration at room temperature following cryogenic deformation originated from high driving force induced by grain boundary bulging and high mobility induced by vacancies. The tensile properties of cryogenic deformed samples showed superior tensile strength than room temperature deformation leading to UTS: 624 MPa, elt: 5.5%, while saturation of strength between 60%-80% reduction, approved occurrence of softening by diffusional processes. | |||||
書誌情報 |
Materialia 巻 9, p. 100520, 発行日 2019-10-24 |
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出版者 | ||||||
出版者 | ELSEVIER | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 25891529 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1016/j.mtla.2019.100520 | |||||
権利 | ||||||
権利情報 | © 2019. This manuscript version is made available under the CC-BY-NC-ND 4.0 license https://creativecommons.org/licenses/by-nc-nd/4.0/ | |||||
情報源 | ||||||
関連名称 | S.M.S. Aghamiri, S.H. Zhang, S. Ukai, N. Oono, R. Kasada, H. Noto, Y. Hishinuma, T. Muroga, Microstructure development in cryogenically rolled oxide dispersion strengthened copper, Materialia, Volume 9, 2020, 100520, ISSN 2589-1529, https://doi.org/10.1016/j.mtla.2019.100520. | |||||
関連サイト | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1016/j.mtla.2019.100520 | |||||
関連名称 | Publisher version | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
NAIS | ||||||
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