Diffusion of Silver into Nickel Single Crystals
- 1 December 1971
- journal article
- Published by AIP Publishing in Journal of Applied Physics
- Vol. 42 (13), 5316-5320
- https://doi.org/10.1063/1.1659942
Abstract
Lattice diffusion of radioactove silver Ag110 into high‐purity nickel single crystals is measured over the temperature range 507–782°C. The lattice diffusion coefficient (DL)Ag/Ni, obtained by Gruzin's residual activity method, is given by (DL)Ag/Ni=0.025 exp(−47 200/RT) cm2/sec. The activation energy QAg/Ni=47 200 cal/mole for silver diffusion in nickel is much smaller than QNi/Ni for self‐diffusion in nickel (66 800 cal/mole) but is about equal to QAg/Ag for self‐diffusion in silver (46 000 cal/mole.Keywords
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