書誌事項
- タイトル別名
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- Hydriding properties of Ti–Mg alloy with BCC structures synthesized from α-Ti and β-Ti by ball-milling
- a-Ti ト b-Ti カラ ボールミリング デ ゴウセイ シタ BCC コウゾウ オ ユウスル Ti-Mg ゴウキン ノ スイソ キュウシュウ トクセイ
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The structure and hydrogenation properties of Ti–Mg alloy synthesized by ball-milling have been investigated. In this study, α-Ti powder (HCP) was successfully transformed into β-Ti (BCC) powder by ball-milling for 216 ks. This composition was obtained to mix elemental powder of each Ti (HCP or BCC) and Mg by ball-milling with the ratio of 12.5, 25, 37.5, and 50 at% Mg. The structure and thermal stability of these samples were analyzed by means of X-ray diffractometry (XRD), differential scanning calorimetry (DSC), and scanning electron microscopy (SEM). In this results, Ti–Mg alloy with β-Ti maintained BCC phase as much as the ratio of 37.5 at% Mg, and it was the steady state until 573 K. Furthermore, from the comparison of hydride properties of Ti75Mg25 alloy with BCC phase synthesized from β-Ti and α-Ti, alloy with β-Ti easily absorbed hydrogen at the room temperature, while alloy with α-Ti hardly reacted with hydrogen. In addition, the lattice parameter of Ti–Mg with β-Ti was 0.326 nm, and the strain was lower than alloy with α-Ti. However, Ti75Mg25 after hydrogenation was transformed into TiH2.
収録刊行物
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- 軽金属
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軽金属 62 (1), 2-6, 2012
一般社団法人 軽金属学会
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詳細情報
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- CRID
- 1390282681315209472
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- NII論文ID
- 10030597623
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- NII書誌ID
- AN00069773
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- COI
- 1:CAS:528:DC%2BC38Xjslejt7g%3D
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- ISSN
- 18808018
- 04515994
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- NDL書誌ID
- 023404783
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- データソース種別
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- JaLC
- NDL
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- 使用不可