SYMPOSIA PAPER Published: 01 January 1987
STP33837S

Stability Studies of Radiation Defects in Aluminum Introduced by 600-MeV Protons

Source

Transmission Electron Microscopy (TEM) observations of 600-MeV proton irradiated aluminum reveal high concentrations of helium bubbles. Post irradiation annealing experiments show that the size and the distribution of these bubbles remain constant up to a temperature of about 770 K. Migration and coalescence have only been observed when the specimens were irradiated at 450 K and after annealing at 820 K. Electrical resistivity measurements show a strong increase that cannot be explained solely by the helium bubbles. This increase remains constant up to an annealing-temperature of 770 K. After the annealing treatments, no precipitation of transmutation atoms has been observed, which indicates that they are in solid solution or that they agglomerate in submicroscopic precipitates.

Author Information

Paschoud, F
Ecole Polytechnique Fédérale (EPFL), Lausanne, Switzerland
Gotthardt, R
Ecole Polytechnique Fédérale (EPFL), Lausanne, Switzerland
Green, SL
Swiss Federal Institute for Reactor Research, Wuerenlingen, Switzerland
Price: $25.00
Contact Sales
Related
Reprints and Permissions
Reprints and copyright permissions can be requested through the
Copyright Clearance Center
Details
Developed by Committee: E10
Pages: 478–489
DOI: 10.1520/STP33837S
ISBN-EB: 978-0-8031-5016-4
ISBN-13: 978-0-8031-0962-9