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Performance of V-4Cr-4Ti material exposed to the DIII-D tokamak environment

Technical Report ·
DOI:https://doi.org/10.2172/335379· OSTI ID:335379
; ;  [1]; ;  [2];  [3]
  1. Argonne National Lab., IL (United States)
  2. General Atomics, San Diego, CA (United States)
  3. Sandia National Labs. (United States)
A series of tests is being conducted in the DIII-D tokamak to determine the effects of environmental exposure on a V-4Cr-4Ti vanadium alloy. These tests are part of the effort to build and install a water-cooled vanadium V alloy structure in the upgrade of the DIII-D radiative divertor. Data from the test series indicate that the performance of the V-4Cr-4Ti alloy would not be significantly affected by environmental exposure. Interstitial absorption by the material appears to be limited to the surface, and neither the tensile nor the impact properties of the material appear to be affected by the exposure.
Research Organization:
Oak Ridge National Lab., TN (United States)
Sponsoring Organization:
USDOE, Washington, DC (United States)
DOE Contract Number:
W-31109-ENG-38
OSTI ID:
335379
Report Number(s):
DOE/ER--0313/23; ON: DE98004697
Country of Publication:
United States
Language:
English