Tensile and fracture properties of EBR-II-irradiated V-15Cr-5Ti containing helium

Conference · Tue Dec 31 23:00:00 EST 1985

OSTI ID:5146047

Grossbeck, M L; Horak, J A

The alloy V-15Cr-5Ti was cyclotron-implanted with 80 appM He and subsequently irradiated in the Experimental Breeder Reactor (EBR-II) to 30 dpa. The same alloy was also irradiated in the 10, 20, and 30% cold-worked conditions. Irradiation temperatures ranged from 400 to 700/sup 0/C. No significant effects of helium on mechanical properties were found in this temperature range although the neutron irradiation shifted the temperature of transition from cleavage to ductile fracture to about 625/sup 0/C. Ten percent cold work was found to have a beneficial effect in reducing the tendency for cleavage fracture following irradiation, but high levels (20%) were observed to reduce ductility. Still higher levels (30%) improved ductility by inducing recovery during the elevated-temperature irradiation. Swelling was found to be negligible, but precipitates - titanium oxides or carbonitrides - contained substantial cavities.

• Research Organization: Oak Ridge National Lab., TN (USA). Metals and Ceramics Div.
• DOE Contract Number: AC05-84OR21400
• OSTI ID: 5146047
• Report Number(s): CONF-860605-30; ON: DE87000229
• Country of Publication: United States
• Language: English

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ALLOYS
BARYON REACTIONS
CHARGED PARTICLES
CHROMIUM ALLOYS
CRYSTAL STRUCTURE
DUCTILITY
EMBRITTLEMENT
FRACTURE PROPERTIES
HADRON REACTIONS
HELIUM IONS
ION IMPLANTATION
IONS
IRRADIATION
MECHANICAL PROPERTIES
MICROSTRUCTURE
NEUTRON REACTIONS
NUCLEAR REACTIONS
NUCLEON REACTIONS
PHYSICAL RADIATION EFFECTS
RADIATION EFFECTS
SWELLING
TENSILE PROPERTIES
TITANIUM ALLOYS
VANADIUM ALLOYS
VANADIUM BASE ALLOYS