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Abstract

For the divertor of NET, actively cooled brazed CC/refractory metal mock-ups with an active length of 320 mm have been manufactured in order to evaluate the high heat flux performance of such structures. Seven tiles of CC material, 26 x 44.5 x 9 mm3, are brazed to an interlayer of TZM with a Zr braze. Subsequently this interlayer is brazed to a TZM body with a CuPd alloy. Inside the TZM body a tube of MoRe provides active cooling. In the ion beam test facility of KFA Jülich two test series were performed. In order to determine the maximum tolerable heat load, the applied power density was increased stepwise at constant pulse lengths of 30 s in screening tests. The thermal fatigue behaviour of the divertor components was investigated by thermal cycling.

Additional information

Authors: DESCHKA S, Forschungszentrum Jülich GmbH (KFA) (DE);LINKE J, Forschungszentrum Jülich GmbH (KFA) (DE);LOCHTER M, Forschungszentrum Jülich GmbH (KFA) (DE);NICKEL H, Forschungszentrum Jülich GmbH (KFA) (DE);CARDELLA A, Max-Planck-Institut für Plasmaphysik, Garching bei München (DE)
Bibliographic Reference: Article: Journal of Nuclear Materials, Vol. 203 (1993) pp. 67-72
Record Number: 199311130 / Last updated on: 1994-11-29
Category: PUBLICATION
Original language: en
Available languages: en