Radiation effects in the stainless steel primary coolant supply adapter

摘要

The primary coolant supply adapter (PCSA) is a flanged, cylindrical collar of 316NG stainless steel that is part of the primary pressure boundary of the Advanced Neutron Source. The radiation fluxes on the PCSA are dominated by thermal neutrons. During its intended 40-year service life, the PCSA will receive a thermal neutron fluence of 1.8 (times) 10(sup 26) m(sup (minus)2) in its upper sections at a temperature of