Metal-ceramic joint

B - Operations – Transporting – 23 – K

Patent

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113/83

B23K 1/19 (2006.01) C04B 37/02 (2006.01) H01H 11/00 (2006.01) H01H 33/662 (2006.01)

Patent

CA 1148797

ABSTRACT A method for creating a vacuum-tight butt brazing joint between a metallized ceramic part and a part of a stainless steel characterized in that the part of stainless steel and the ceramic part are directly joined by brazing and the part of stainless steel is annealed before the brazing step and is provided over the entire length of the brazing location with a portion directly adjoining the brazing plane and having a maximum thick- ness of 0.8 mm and a height of from about 4 to about 12 mm. The novel vacuum-tight butt brazing joint created involved problems encountered with previous joints which are very costly, subject to low mechanical and low thermal shock stability and to high reactivity with respect to metals.

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