| 摘要 |
PROBLEM TO BE SOLVED: To provide a structure and a method for brazing a machinable sealant for preventing degradation of machinability. SOLUTION: A stop-off area for preventing infiltration of brazing filler metal is provided to a predetermined depth on a non-brazing surface side of a honeycomb seal 1 via a step of masking an area to a predetermined depth on a brazing surface side by penetrating the brazing surface side of the honeycomb seal 1 which is a machinable sealant to a masking sheet 12, a step of forming a film 13a of a stop-off agent on other area than a masking area by depositing the stop-off agent 13 on the honeycomb seal 1 in this condition, a step of removing a masking sheet 12 after the previous step, a step of mounting a surface to be brazed of the honeycomb seal 1 on a sheet of a brazing filler metal 7 disposed on a base material 10 in a penetrating manner after the previous step, and a step of placing the honeycomb seal 1 and the base material 10 after the previous step in a heating furnace 9, and brazing them. COPYRIGHT: (C)2004,JPO |
