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Effect of yttrium on dynamic strain aging of vanadium alloys
http://hdl.handle.net/10655/00013144
http://hdl.handle.net/10655/00013144ed94c031-48d2-48e0-a555-e929e2598cb0
名前 / ファイル | ライセンス | アクション |
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repository_13410_paper (1.0 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2022-05-13 | |||||
タイトル | ||||||
タイトル | Effect of yttrium on dynamic strain aging of vanadium alloys | |||||
言語 | ||||||
言語 | eng | |||||
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 |
MIYAZAWA, Takeshi
× MIYAZAWA, Takeshi× NAGASAKA, Takuya× HISHINUMA, Yoshimitsu× MUROGA, Takeo× LI, Yanfen× SATOH, Yuhki× KIM, Sawoong× ABE, Hiroaki |
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著者ID | ||||||
内容記述タイプ | Other | |||||
内容記述 | 0000-0001-6564-8922 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | In order to improve the performance of vanadium alloys for fusion reactors, yttrium (Y) was added to reduce the interstitial O in the matrix by enhanced precipitation with Y. Effect of Y on interstitial C, N and O, however, remains to be investigated since they affect mechanical and fracture properties for vanadium alloys by pinning dislocations, such as dynamic strain aging (DSA). In this study, tensile tests were carried out on annealed V–4Cr–4Ti and V–4Cr–4Ti–Y alloys from 473 to 1073 K at strain rates ranging from 6.67 × 10−5 to 6.67 × 10−1 s−1 to investigate the performance of DSA. In the case of high-purity alloys, DSA regime was narrowed due to Y addition and the reduction in O content. In the case of O doped V–4Cr–4Ti alloys, DSA regime was also narrowed. This may be because the enhanced Ti–O precipitation reduced the O level in the matrix. Also, coarse precipitates (<500 nm) were observed in O doped V–4Cr–4Ti–Y alloy. Y might enhance the coarsening of Ti-precipitates. From activation energies for DSA, the diffusion of C and O is considered to induce the observed DSA. Y does not influence the diffusion of C and O, and might enhance the nucleation to form coarse precipitates. | |||||
書誌情報 |
Journal of Nuclear Materials 巻 442, 号 Issues 1–3, Supplement 1(November 2013), p. S341-S345, 発行日 2013-04 |
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出版者 | ||||||
出版者 | Elsevier | |||||
出版者 | ||||||
出版者 | North-Holland | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 00223115 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA11533702 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1016/j.jnucmat.2013.03.091 | |||||
権利 | ||||||
権利情報 | © 2013 Elsevier B.V. All rights reserved. | |||||
関連サイト | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1016/j.jnucmat.2013.03.091 | |||||
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 | ||||||
13410 |