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Analysis of Subsurface Fatigue Crack Generation in Ti–Fe–O Alloy at Low Temperature
http://hdl.handle.net/10131/00013028
http://hdl.handle.net/10131/00013028e5cd5353-1cbe-4002-841b-b07bcb74b17a
名前 / ファイル | ライセンス | アクション |
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ISIJ58_2Li.pdf (3.0 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2020-03-09 | |||||
タイトル | ||||||
タイトル | Analysis of Subsurface Fatigue Crack Generation in Ti–Fe–O Alloy at Low Temperature | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題 | titanium alloys, high-cycle fatigue, subsurface crack initiation, low temperature, electron backscatter diffraction | |||||
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 |
Li, Weibo
× Li, Weibo× Umezawa, Osamu× Koga, Norimitsu |
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著者所属 | ||||||
Graduate School of Engineering, Yokohama National University | ||||||
著者所属 | ||||||
Faculty 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 | Subsurface microcracks developed in the Ti–Fe–O cross-rolled material were characterized in order to clarify the subsurface fatigue crack initiation. A considerable amount of microcracks in β platelets were detected. The {0001} transgraular microcracks in α grains predominantly generated at the β grain boundary between recovered α grain and recrystallized α grain, and grew into the recrystallized α grain along the basal plane, although the microcracks at the twist boundary of α grains and at the α-β interface were occasionally detected. Stress concentration around the microcrack in β platelets may assist the microcrack initiation on basal plane (transgranular facet) in neighboring α grain due to a combination of the shear stress and tensile stress normal to the basal plane at α-β boundary. The {0001} transgraular microcracks growth and/or coalescence occurred with the assistance of shear stress on prismatic plane such as {1010} steps. | |||||
書誌情報 |
ISIJ International 巻 58, 号 2, p. 359-363, 発行日 2018-02-15 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 13475460 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA12106117 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.2355/isijinternational.ISIJINT-2017-514 | |||||
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 | |||||
出版者 | ||||||
出版者 | 一般社団法人日本鉄鋼協会 |