Abstract
ABSTRACT The work presents the results of high-temperature brazing of reduced activated ferritic martensitic steel EK-181 with pure tungsten, which is essential for DEMO fusion reactor. To reduce thermal stresses, vanadium interlayer was used. Brazing alloys to be used were rapidly quenched into ribbons Cu-28Ti and Cu-28Sn for EK-181/V, Cu-50Ti for V/W. Microstructure investigations, mechanical and thermocycling test were carried out. It is shown that Cu-28Ti is better to use; however, it is necessary to improve the reliability of V/W seam.
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