Preliminary Assessment of Corrosion Product Transport in Fusion Reactors

Abstract

Furthermore, neutrons from the fusion reaction a c t i v a t e c.he corrosion product, causing radiation fie1 ds i n rnai ntenance areas near ,;i pi ng and components. where the activated materi a1 aeposi t s. Prel imi nary 2s timates suggest t h a t formidable problems may occur i n a 1 i thium-cooled s t a i n l e s s s t e e l primary. c i r c u i t due t o corrosion product deposition. If .+ne estimated order of magnitude i s confirmed i n future s t u d i e s , new concepts in corrosion control o r corrosion product removal would need t o \ be developed f o r 1 i thium-cooled s t a i n l e s s s t e e l CTR systems.. Other fusion reactor system concepts and materi a1 s appear t o o f f e r a1 t e r n a t i v e s which tend t o m i n i m i ze corrosion product transport.