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- Suzuki Ken-ichiro
- Graduate School of Iron and Steel Technology, Pohang University of Science and Technology
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- Nishikawa Koji
- Technical Research Laboratories, Steel Development and Production Division, Kawasaki Steel Corp.
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- Watakabe Siro
- Technical Research Laboratories, Steel Development and Production Division, Kawasaki Steel Corp.
書誌事項
- タイトル別名
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- Stability of Yttria for Titanium Alloy
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抄録
Superior properties of yttrium oxide for mold material use in precision casting of Ti–6Al–4V alloy have been proved in experiments under simulating process conditions and by assuming a model for formation of a hardened layer in the surfaces of the castparts. The model consists of instantaneous dissociation of oxide in the mold and rapid absorption and diffusion of dissociated oxygen into Ti–6Al–4V alloy castparts during mold filling, solidification and cooling after solidification. The maximum hardness in the surface hardened layer correlates directly with the stability of oxide which depends on the activities of elements consisting of the oxide in the molten titanium alloy. The hardness profiles in the surface hardened layer are determined by diffusion of oxygen in the alloy during cooling and solidification of the castparts.
収録刊行物
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- Materials Transactions, JIM
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Materials Transactions, JIM 38 (1), 54-62, 1997
社団法人 日本金属学会
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キーワード
詳細情報
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- CRID
- 1390282679223336192
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- NII論文ID
- 130003422492
- 10002451544
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- NII書誌ID
- AA10699969
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- COI
- 1:CAS:528:DyaK2sXhslejsbo%3D
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- ISSN
- 2432471X
- 09161821
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- NDL書誌ID
- 4209527
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可