Effect of heat treatment on microstructure and fracture toughness of a V-5Cr-5Ti alloy
- Pacific Northwest Lab., Richland, WA (United States)
The purpose of this research is to investigate the effect of heat treatment on microstructure and fracture toughness in the range of {minus}50 to 100{degrees}C for a V-5Cr-5Ti alloy. Fracture toughness and impact tests were performed on a V-5Cr-5Ti alloy. Specimens annealed at 1125{degree}C for 1 h and furnace cooled in a vacuum of 1.33 x 10{sup {minus}5} Pa were brittle at room temperature and experienced a mixture of intergranular and cleavage fracture. The ductile to brittle transition temperature was estimated to be about 20{degree}C. When some specimens were given an additional annealing at 890{degree}C for 24 h, they became very ductile at room temperature and fractured by microvoid coalescence.
- Research Organization:
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- DOE Contract Number:
- AC06-76RL01830
- OSTI ID:
- 114935
- Report Number(s):
- DOE/ER-0313/17; ON: DE95013663; TRN: 95:022893
- Resource Relation:
- Other Information: PBD: Apr 1995; Related Information: Is Part Of Fusion materials semiannual progress report for the period ending September 30, 1994; PB: 390 p.
- Country of Publication:
- United States
- Language:
- English
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