Analysis of grain boundaries in a V-5Cr-5Ti alloy using Auger Electron Spectroscopy
Technical Report
·
OSTI ID:47755
- Oak Ridge National Lab., TN (United States)
A V-5Cr-5Ti specimen was fractured in-situ below its DBTT and the fracture surfaces analyzed by Auger Electron Spectroscopy (AES). About 70% of the fresh fracture surfaces were intergranular while the remainder were characteristic of cleavage fracture. Sub-micron-sized particles appeared to cover most of the grain boundary surfaces along with a few larger particles. Only one of these larger particles, probably a Ti-V sulfide/phosphide combination, contained Cl, at a level of only a few at.%. On the other hand, S, which is known to cause embrittlement in many alloy systems, was detected on virtually all of the grain boundary surfaces.
- Research Organization:
- Oak Ridge National Lab., TN (United States)
- OSTI ID:
- 47755
- Report Number(s):
- DOE/ER--0313/16; ON: DE95003404
- Country of Publication:
- United States
- Language:
- English
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