α+β 型 Ti-(0~10)mass%V-(0.5~1)mass%O 合金の組織と機械的特性
書誌事項
- タイトル別名
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- Microstructure and Mechanical Property of α+β Type Ti-(0~10)mass%V-(0.5~1)mass%O Alloys
- Microstructure and Mechanical Property of a+b Type Ti-(0~10)mass%V-(0.5~1)mass%O Alloys
- a+vガタ Ti-(0~10)mass%V-(0.5~1)mass%O ゴウキン ノ ソシキ ト キカイテキ トクセイ
- Microstructure and Mechanical Property of α+β Type Ti-(0~10)mass%V-(0.5~1)mass%O Alloys
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The microstructure and mechanical properties of the α+β type Ti-V-O alloys with high oxygen content were investigated. Ti-(0~10)mass%V-(0.5, 0.75, 1.0)mass%O alloy ingots were prepared using arc melting and hot rolling at 1373 K and 1073 K. The alloys were heat-treated at temperatures varying from 923 K to 1323 K for 3.6 ks under Ar flow. The β transus of the alloys was experimentally determined, and its value decreased with increasing V content and decreasing oxygen content in the alloy. Athermal ω was detected in the alloys with 6, 8 and 10 mass%V content and 0.5, 0.75 and 1 mass%O content after heat treatment at low temperatures in the range of 923 to 1123 K, wherein the V content in the β phase was higher than 12 mass%. The formation of the athermal ω led to the increase in hardness and decrease in the elongation and reduction of area of the alloys. Based on the investigation results, it was suggested that the Ti-4 mass%V-(0.5~0.75)mass%O alloy had an excellent balance between strength and ductility.<br>
収録刊行物
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- 日本金属学会誌
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日本金属学会誌 80 (1), 60-65, 2015
公益社団法人 日本金属学会
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詳細情報 詳細情報について
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- CRID
- 1390001206481785088
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- NII論文ID
- 130005115557
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- NII書誌ID
- AN00187860
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- ISSN
- 18806880
- 24337501
- 00214876
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- HANDLE
- 10097/00127767
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- NDL書誌ID
- 027051656
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- IRDB
- NDL
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- 使用不可