Effects of low temperature irradiation on the mechanical properties of V-4Cr-4Ti

Conference · Fri Oct 01 04:00:00 EDT 1999

OSTI ID:679540

Alexander, D J; Snead, L L; Zinkle, S J; Gubbi, A N; Rowcliffe, A F; Eatherly, W S; Bloom, E E ^[1]

---

1. Oak Ridge National Lab., TN (United States). Metals and Ceramics Div.

Neutron irradiation at low temperatures (100 to 275 C) to 0.5 displacements per atom causes significant embrittlement and changes in the subsequent room temperature tensile properties of V-4CR-4Ti. The yield strength and microhardness at room temperature increase with increasing irradiation temperature. The tensile properties at room temperature show large increases in strength and a complete loss of work hardening capacity with no uniform elongation. Embrittlement, as measured by an increase in the ductile-to-brittle transition temperature, increases with increasing irradiation temperature, at least up to 275 C. It is shown that this embrittlement is not due to pickup of O or other interstitial solutes during the irradiation.

• Sponsoring Organization: USDOE, Washington, DC (United States)
• DOE Contract Number: AC05-96OR22464
• OSTI ID: 679540
• Report Number(s): CONF-960643--
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
CHROMIUM ALLOYS
EMBRITTLEMENT
MECHANICAL PROPERTIES
PHYSICAL RADIATION EFFECTS
TEMPERATURE DEPENDENCE
THERMONUCLEAR REACTOR MATERIALS
TITANIUM ALLOYS
VANADIUM BASE ALLOYS