Abstract

Tungsten was considered a promising plasma facing material in fusion device due to its high sputtering threshold, the high melting point,and so on. Several technologies fabricated tungsten armor on copper substrate were introduced, which included plasma sprayed tungsten coating, W/Cu functionally gradient material and the dispersiion strengtheded W alloys (W-TiC, W-La2O3). Meanwhile, W-Cu mock-up with the different compliant interlayers was optimizated by means of ANSYS code.

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