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Reply to the comments by tanabe on “the compensation effect on the diffusion constants of hydrogen in metals”

✍ Scribed by Kuniaki Watanabe; Kan Ashida; Masao Matsuyama

Publisher
Elsevier Science
Year
1991
Tongue
English
Weight
334 KB
Volume
182
Category
Article
ISSN
0022-3115

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📜 SIMILAR VOLUMES

Reply to comments on “Self-diffusion and
Reply to comments on “Self-diffusion and elastic constants in the anomalous b.c.c. metals”
✍ H.I. Aaronson; P.G. Shewmon 📂 Article 📅 1967 🏛 Elsevier Science ⚖ 278 KB

Now wvaph = -Pwv2h so that (aAG/ap)T = AV and any pressure-variation of AF (through elastic moduli) is irrelevant. A lattice diffusivity increasing with increasing pressure implies a negative activation volume AV. However, it is not certain that the simple effect on lattice diffusion was measured