Published March 1984 | Version v1
Report Restricted

Microstructure of 9 Cr-1 MoVNb and 12 Cr-1 MoVW ferritic steels after irradiation at elevated temperatures in HFIR

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Description

Microstructures of 9 Cr-1 MoVNb and 12 Cr-1 MoVW were examined following irradiation in HFIR to 36 dpa at 300 to 6000C. Maximum cavity development in the form of voids occurred at 4000C with only small helium bubble formation at 500 and 6000C. Swelling was greater in 9 Cr-1 MoVNb than in 12 Cr-1 MoVW. The cavity development is attributed in part to the production of helium during irradiation

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Additional details

Publishing Information

Imprint Title
Alloy development for irradiation performance. Semiannual progress report for period ending September 30, 1983
Journal Page Range
p. 108-114.
Report number
DOE/ER--0045/11

INIS

Country of Publication
United States
Country of Input or Organization
United States
INIS RN
15063673
Subject category
S36: MATERIALS SCIENCE; S70: PLASMA PHYSICS AND FUSION TECHNOLOGY;
Descriptors DEI
CHROMIUM ALLOYS; FERRITIC STEELS; HELIUM; HFIR REACTOR; HIGH TEMPERATURE; MICROSTRUCTURE; MOLYBDENUM ALLOYS; NIOBIUM ALLOYS; TUNGSTEN ALLOYS; VANADIUM ALLOYS
Descriptors DEC
ALLOYS; CARBON ADDITIONS; CRYSTAL STRUCTURE; ELEMENTS; ENRICHED URANIUM REACTORS; IRON ALLOYS; IRON BASE ALLOYS; IRRADIATION REACTORS; ISOTOPE PRODUCTION REACTORS; NONMETALS; RARE GASES; REACTORS; RESEARCH AND TEST REACTORS; RESEARCH REACTORS; STEELS; TANK TYPE REACTORS; TEST REACTORS; THERMAL REACTORS; WATER COOLED REACTORS; WATER MODERATED REACTORS