The growth of voids in nickel in a high-voltage electron microscope
- 1 January 1971
- journal article
- research article
- Published by Taylor & Francis in Philosophical Magazine
- Vol. 23 (181) , 135-152
- https://doi.org/10.1080/14786437108216368
Abstract
Thin foils of nickel have been electron-irradiated with the beam of a high-voltage electron microscope. In specimens previously ion-bombarded, voids are observed to grow at temperatures between 280°C and 480°C. The results are compared with those for neutron irradiation and are found to be basically similar. Differences are a sharp cut-off at high temperatures, thought to be a thin foil effect, and a much lower proportion of vacancies joining voids in the electron irradiation case. The voids are usually cubes, often elongated, with (100) faces. The size distribution fits a negative exponential function.Keywords
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