SYMPOSIA PAPER Published: 01 January 1973
STP35460S

High-Temperature Embrittlement of Ferritic and Austenitic Stainless Steels Irradiated up to 1.6 × 10 n/cm (> 0.1 MeV)

Source

Tension specimens of four basic stainless steels having a body-centered cubic (bcc) or face-centered cubic (fcc) structure without or with nickel addition have been fabricated by casting and by powder metallurgy (without and with TiO2 addition). These specimens have been irradiated at 60 C (140 F) up to a 1.6 × 1022 n/cm2 fast fluence (> 0.1 MeV) and ruptured at 700 C (1292 F). A structural and statistical analysis shows that bcc structure, powder metallurgy fabrication methods, TiO2 additions, and transgranular rupture enhance the 700 C resistance to fast neutron embrittlement. The degree of embrittlement is related to the rupture mode before irradiation.

Author Information

Van Asbroeck, P
Centre d' Etude de l'Energie Nucleaire, C.E.N./S.C.K., MOL, Belgium
Snykers, M
Centre d' Etude de l'Energie Nucleaire, C.E.N./S.C.K., MOL, Belgium
Vandermeulen, W
Centre d' Etude de l'Energie Nucleaire, C.E.N./S.C.K., MOL, Belgium
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Details
Developed by Committee: E10
Pages: 349–359
DOI: 10.1520/STP35460S
ISBN-EB: 978-0-8031-4627-3
ISBN-13: 978-0-8031-0328-3