Laminated component for fusion reactors

B - Operations – Transporting – 32 – B

Patent

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Details

B32B 15/20 (2006.01) B01J 19/00 (2006.01) C22C 1/04 (2006.01) C22C 9/00 (2006.01) C22C 27/04 (2006.01) G21B 1/13 (2006.01)

Patent

CA 2462491

The invention relates to a highly heat-resistant laminated component -1- for a fusion reactor consisting at least of a plasma-facing area -2- made of tungsten or a tungsten alloy, a heat-dissipating area consisting of copper or a copper alloy with a mean grain size of more than 100 µm -4- and an interlayer -3- consisting of a refractory metal-copper--composite, whereby the refractory metal-copper-composite exhibits a macroscopically uniform copper and refractory--metal concentration progression and a refractory metal concentration x of 60 vol.% < x < 90 vol.% over its entire thickness.

Cette invention se rapporte à un élément lamellé à forte résistance à la chaleur (1) pour un réacteur de fusion qui comprend les éléments qui suivent. Au moins une zone faisant face au plasma (2) constituée de tungtène ou d'un alliage de tungstène; une zone de dissipation thermique consistant en cuivre ou en alliage de cuivre, avec un grosseur de grain moyenne supérieure à 100 mu.m (4); et une couche intermédiaire (3) consistant en un matériau composite réfractaire métal-cuivre qui présente une progression de concentration de cuivre et de métal réfractaire uniforme à l'échelle macroscopique, et une concentration de métal réfractaire égale à 60 fois le % vol < x < 90 % vol. sur son entière épaisseur.

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