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Diffusion of deuterium in tantalum from internal friction measurements (Gorsky effect)

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Abstract

The long-range diffusion of deuterium in tantalum has been investigated as a function of temperature by means of the anelastic process due to redistribution of deuterium impurities between compressed and dilated regions of the sample, under an applied stress alternating at about 4 Hz. The diffusion coefficient was found to obey an Arrhenius-type law in the temperature range 200–390 K; a deviation was observed at lower temperatures. The diffusion parameters in the exponential region areD 0D=(3.3±1.5)×10−4 cm2/s, andW D=(0.176±0.008) eV.

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Authors and Affiliations

  1. C. N. R. Istituto di Acustica “O.M.Corbino”, Via Cassia 1216, I-00189, Rome, Italy

    R. Cantelli, F. M. Mazzolai & M. Nuovo

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  1. R. Cantelli
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  2. F. M. Mazzolai
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  3. M. Nuovo
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Cantelli, R., Mazzolai, F.M. & Nuovo, M. Diffusion of deuterium in tantalum from internal friction measurements (Gorsky effect). Appl. Phys. 1, 27–30 (1973). https://doi.org/10.1007/BF00886801

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  • DOI: https://doi.org/10.1007/BF00886801

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