Method of manufacturing an active brazing paste

Details Method of manufacturing an active brazing paste Method of manufacturing an active brazing paste

B - Operations, Transporting

23

K

B23K 35/22 (2006.01) B23K 35/02 (2006.01) B23K 35/32 (2006.01)

Patent

CA 2123366

To produce an active brazing paste suitable for brazing leads in insulating parts, e.g., ceramic parts, and containing an active brazing powder and an organic material acting as a vehicle, coarse pieces of the active brazing alloy are prehydrogenated. These pieces are ground in a mill with the addition of hydrogen to form a hydrogenated active brazing powder. The latter is then processed with the liquid vehicle openly, under normal atmospheric and temperature conditions, to form the active brazing paste.

roduire une pâte active pour le brasage des branchements de pièces isolantes en céramique, p. ex., contenant une poudre active de brasage et une substance organique comme vecteur; des éléments grossiers de l'alliage actif de brasage sont préhydrolysés. Ces éléments sont broyés dans une machine avec addition d'hydrogène pour former une poudre active de brasage. Celle-ci est ensuite traitée avec le vecteur liquide en vase ouvert, dans des conditions de pression et de température normales, pour former la pâte de brasage.

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