SYMPOSIA PAPER Published: 01 January 1975

Void Formation in an Ion Bombarded Cold-Worked Stainless Steel


The void microstructure produced in a cold-worked Type 316 stainless steel by 5-MeV Ni++ ion bombardment has been studied. Within the temperature range 525 to 730°C, the void swelling shows a maximum at ∼620°C. However, void formation extends to a temperature of 800°C. The results are consistent with those from neutron irradiation studies where the temperature shift is considered. The void swelling is dependent on (dose)mwhere m is in the range 2.5 to 3.3. A maximum swelling of 6 percent at 585°C and 125 displacements per atom were calculated. No saturation in the swelling was observed. Precipitates had a marked effect on the void distribution. The results agree reasonably well with results of similar studies using heavy ion bombardment.

Author Information

Brimhall, JL
Battelle Memorial Institute, Pacific Northwest Laboratories, Richland, Wash.
Uematsu, K
Power Reactor and Nuclear Fuel Development Corporation, Tokyo, Japan
Nishikawa, T
Power Reactor and Nuclear Fuel Development Corporation, Tokyo, Japan
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Developed by Committee: E10
Pages: 488–504
DOI: 10.1520/STP33710S
ISBN-EB: 978-0-8031-4653-2
ISBN-13: 978-0-8031-0539-3