Theoretical relationships between creep and swelling by point defect absorption during irradiation
Conference
·
OSTI ID:6864694
Relationships between irradiation creep and swelling implicit in the theories of these processes are derived. Four mechanisms of irradiation creep are treated. These are the climb-only process of preferred point defect absorption on dislocations; the climb and glide processes resulting from cumulative absorption of defects at dislocations, i.e., preferred absorption glide and swelling-driven creep; and the recently developed climb and glide process enabled by point defect concentration fluctuations resulting from cascades. The results are expressed both as differential equations for creep rate in terms of swelling rate and as integrated forms giving creep strain in terms of swelling for stabilized microstructures.
- Research Organization:
- Oak Ridge National Lab., TN (USA)
- DOE Contract Number:
- W-7405-ENG-26
- OSTI ID:
- 6864694
- Report Number(s):
- CONF-811150-10-Draft; ON: DE83003504
- Country of Publication:
- United States
- Language:
- English
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