SYMPOSIA PAPER Published: 01 January 2000

The Relationship Between Swelling and Irradiation Creep in 20% Cold-Worked 316 Stainless Steel


The relationship between swelling and irradiation creep was investigated using eight sets of pressurized tubes, representing two heats of 20% cold-worked 316 stainless steel irradiated at either 550°C, 575°C, 600°C, and 670°C in the FFTF-MOTA to doses of 79–84 dpa. After reaching these exposures, the tubes were clearly being affected by the “creep cessation” phenomenon. Many of the tubes had already reached the previously observed maximum strain rate of 0.33%/dpa characteristic of creep cessation. Fortuitous failure of fourteen tubes allowed the separation of creep and swelling strains in the creep cessation regime, showing that the maximum strain rate limitation was reached long before the maximum swelling rate of 1%/dpa was reached. Thus, the creep contribution was declining as the swelling rate increased throughout the irradiation.

Author Information

Garner, FA
Pacific Northwest National Laboratory, Richland, WA
Toloczko, MB
Washington State University, Pullman, WA
Puigh, RJ
Fluor Daniel Northwest Inc., Richland, WA
Price: $25.00
Contact Sales
Reprints and Permissions
Reprints and copyright permissions can be requested through the
Copyright Clearance Center
Developed by Committee: E10
Pages: 667–678
DOI: 10.1520/STP12422S
ISBN-EB: 978-0-8031-5419-3
ISBN-13: 978-0-8031-2852-1