Performance of V-4Cr-4Ti material exposed to DIII-D tokamak environment
- Argonne National Lab., IL (United States); and others
Test specimens made with the 832665 heat of V-4Cr-4Ti alloy were exposed in the DIII-D tokamak environment to support the installation of components made of a V-4Cr-4Ti alloy in the radiative divertor of the DIII-D. Some of the tests were conducted with the Divertor Materials Evaluation System (DiMES) to study the short-term effects of postvent bakeout, when concentrations of gaseous impurities in the DIII-D chamber are the highest. Other specimens were mounted next to the chamber wall behind the divertor baffle plate, to study the effects of longer-term exposures. By design, none of the specimens directly interacted with the plasma. Preliminary results from testing the exposed specimens indicate only minor degradation of mechanical properties. Additional testing and microstructural characterization are in progress.
- Research Organization:
- Oak Ridge National Lab., TN (United States)
- OSTI ID:
- 543266
- Report Number(s):
- DOE/ER--0313/21; ON: DE97008798
- Country of Publication:
- United States
- Language:
- English
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