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. Vanadium interlayer was used to reduce thermal stresses. Brazing alloys to be used were rapidly quenched into ribbons Cu-12Sn, Cu-20Sn, Cu-12Sn-0,4P for EK-181/V, Cu-50Ti for V/W. Microstructure investigations, mechanical and thermocycling test were carried out.
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