Copper diffusion in single-crystal $α - Z r$

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15 May 1975

journal article
research article
Published by American Physical Society (APS) in Physical Review B

Vol. 11 (10) , 3780-3784
https://doi.org/10.1103/physrevb.11.3780

Abstract

Tracer diffusion of

{}^{64}{Cu}

in

α - Z r

single crystals has been measured in the temperature range (615-860)°C. The temperature dependences of the

{}^{64}{Cu}

diffusion coefficients in directions parallel to and perpendicular to the

c

axis are given by

D_{∥} = {0.40 e}^{\frac{- 1.54 eV}{kT}}

and

D_{⊥} = {0.25 e}^{\frac{- 1.60 eV}{kT}}

{cm}^{2}

/sec, respectively. The results are discussed in terms of an interstitial diffusion mechanism.

Keywords

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