Precipitation response of 20%-cold-worked type 316 stainless steel to simulated fusion irradiation

Conference · Mon Jan 01 04:00:00 EST 1979

OSTI ID:6312711

Maziasz, P J

The precipitation response of 20%-cold-worked type 316 stainless steel has been examined after irradiation in HFIR at 380-600/sup 0/C, after irradiation in EBR-11 at 500/sup 0/C, and after thermal aging at 600 to 750/sup 0/C. Eta phase forms during exposure to all environments, and it constitutes a major portion of the precipitation response. It is normally reported in 20%-cold-worked type 316 stainless steel. Qualitatively, for eta phase, M/sub 23/C/sub 6/, Laves, sigma and chi, the precipitate phases appear at similar temperatures after HFIR, EBR-II, or thermal exposure. There are, however, some differences in relative amounts of phases, size, and distribution when compared among the various environments. Eta phase is the only carbide-type phase observed after irradiation in HFIR from 380 to 550/sup 0/C. The large cavities associated with it at 380/sup 0/C contribute significantly to swelling. Precipitate re-solution and re-precipitation of massive particles of sigma, M/sub 23/C/sub 6/ and chi are observed after recrystallization in HFIR.

• Research Organization: Oak Ridge National Lab., TN (USA)
• DOE Contract Number: W-7405-ENG-26
• OSTI ID: 6312711
• Report Number(s): CONF-790125-31
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
360106 -- Metals & Alloys-- Radiation Effects
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
700209* -- Fusion Power Plant Technology-- Component Development & Materials Testing
ALLOYS
BARYON REACTIONS
CHROMIUM ALLOYS
CHROMIUM STEELS
CHROMIUM-NICKEL STEELS
CORROSION RESISTANT ALLOYS
DATA
DATA FORMS
HADRON REACTIONS
HEAT RESISTANT MATERIALS
HEAT RESISTING ALLOYS
INFORMATION
IRON ALLOYS
IRON BASE ALLOYS
IRRADIATION
ISOLATED VALUES
MATERIALS
MATERIALS TESTING
MOLYBDENUM ALLOYS
NEUTRON REACTIONS
NICKEL ALLOYS
NUCLEAR REACTIONS
NUCLEON REACTIONS
NUMERICAL DATA
PERFORMANCE
PHYSICAL RADIATION EFFECTS
PRECIPITATION
RADIATION EFFECTS
SEPARATION PROCESSES
STAINLESS STEEL-316
STAINLESS STEELS
STEELS
TESTING
THERMONUCLEAR REACTOR MATERIALS