B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
B23K 1/20 (2006.01) B23K 1/00 (2006.01) B23K 35/00 (2006.01) B23K 35/28 (2006.01) B23K 35/30 (2006.01) B81B 7/00 (2006.01)
Patent
CA 2495788
For the purpose of ensuring that the pressure and corrosion resistance of microstructure components is high enough, that the component~s tightness against fluid exiting from the component or fluid spilling over into adjacent microchannels is high enough, that the microchannels have a sufficiently low flow resistance, and for the purpose of ensuring cost-effectiveness of the manufacturing method, a method for joining microstructured component layers is described, the method comprising the following method steps: a) at least one multifunctional barrier coating is applied at least at the joining surfaces of microstructured component layers made of aluminum and/or aluminum alloys, copper/copper alloys, and/or high-grade steels, b) at least one solder/brazing coating is applied to the at least one barrier coating, c) the component layers are stacked, and d) are then soldered/brazed using heat.
En vue de s'assurer que la résistance à la pression et à la corrosion de composants à microstructure est suffisamment élevée, que l'étanchéité du composant au fluide sortant du composant ou au fluide débordant dans des microcanaux adjacents est suffisamment forte, et que les microcanaux ont une résistance à l'écoulement suffisamment faible, et en vue de s'assurer de la rentabilité du procédé de production, il a été mis au point un procédé de raccordement de couches de composants microstructurés. Ce procédé consiste à: a) appliquer au moins un revêtement barrière multifonctionnel sur les surfaces de raccordement des couches de composants microstructurés fabriquées dans l'aluminium et/ou des alliages d'aluminium, du cuivre/des alliages de cuivre et/ou des aciers de qualité supérieure, b) appliquer au moins un revêtement de soudage/brasage sur au moins un revêtement barrière, c) empiler les couches de composants et ensuite d) les souder/braser thermiquement.
Craemer Konrad
Friz Wolfgang
Herber Ralph
Kurtz Olaf
Madry Christian
Atotech Deutschland Gmbh
Riches Mckenzie & Herbert Llp
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