Irradiation of graphite cloth at various temperatures with deutrons and helium ions
Year: 1975
Type: conference-paper
Abstract: Graphite cloth samples were irradiated with 100 keV deuterons and $sup 4$He$sup +$ ions at room temperature and at elevated temperatures. Scanning electron microscopy was used to examine the surfaces of irradiated and unirradiated graphite fibers. Irradiation at room temperature with $sup 4$He$sup +$ to a total dose of 3.1 x 10$sup 18$ ions cm$sup -2$ produces considerable flaking of individual fibers, which is not observed on unirradiated fibers. Identical irradiations at 400$sup 0$ and 800$sup 0$ with $sup 4$He$sup +$ did not produce any detectable flaking or other surface damage. The elevated temperatures apparently prevent an accumulation of helium in localized areas which in turn could cause flaking in near surface regions. Results obtained for deuteron bombardment of graphite cloth at room temperature and at 600$sup 0$C are also discussed. (auth)
Authors: R. Ekern, Santosh K. Das, M. Kaminsky
Language: English
Subfield: Materials Chemistry
Field: Materials Science
Domain: Physical Sciences
Open Access status: green
OpenAlex ID: W93969331