Abstract
AbstractThe Gorsky effect is investigated by internal friction measurements in the niobium‐hydrogen system at a vibration frequency of 16 Hz. The diffusion coefficient D of hydrogen in niobium is measured as a function of temperature. It is found that D, in the temperature range from ≈︁ 235 to ≈︁ 830 °K, obeys the Arrhenius relation D = D0 exp [– W/kT] with D0 = 5.4 × 10−4 cm2/s and W = (0.109 ± 0.005) eV. A deviation from the exponential law is observed at lower temperatures.
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