Pd<sub>42.5</sub>Ni<sub>7.5</sub>Cu<sub>30</sub>P<sub>20 </sub>金属ガラスの動的緩和挙動
書誌事項
- タイトル別名
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- Dynamic Relaxation of Pd<sub>42.5</sub>Ni<sub>7.5</sub>Cu<sub>30</sub>P<sub>20 </sub>Metallic Glass
- Pd₄₂.₅Ni₇.₅Cu₃₀P₂₀金属ガラスの動的緩和挙動
- Pd ₄ ₂.₅ Ni ₇.₅ Cu ₃ ₀ P ₂ ₀ キンゾク ガラス ノ ドウテキ カンワ キョドウ
- Dynamic Relaxation of Pd42.5Ni7.5Cu30P20 Metallic Glass
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Dynamic relaxation of Pd42.5Ni7.5Cu30P20 metallic glass (Tg～575 K) was measured in T = 153～563 K (27～98 % of Tg) with the angular frequency (ω) = 10−3～102 rad/s under the isothermal condition. By the time - temperature superimpose rule, master curves for storage (E'and loss (E'') moduli in the angular-frequency range with 16 orders of magnitude were successfully obtained. In addition to the α - relaxation and slow β - relaxation, which have been discusses in literatures, the present master curves exhibits another relaxation mode in the lower temperature region (< RT) with activation energy Q = 0.25 eV which is the fastest among three. These dynamic relaxations were characterized with the typical stretched exponent relaxation function, then, the processes for these relaxations were discussed thermodynamically from the activation energy and the attempt frequency.
収録刊行物
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- 粉体および粉末冶金
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粉体および粉末冶金 60 (5), 228-235, 2013
一般社団法人 粉体粉末冶金協会
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詳細情報 詳細情報について
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- CRID
- 1390282681286553472
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- NII論文ID
- 130003367309
- 10031178153
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- NII書誌ID
- AN00222724
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- COI
- 1:CAS:528:DC%2BC3sXptFWqsLk%3D
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- ISSN
- 18809014
- 05328799
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- NDL書誌ID
- 024676872
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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
- NDL
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- 使用不可