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    • 9. 发明授权
    • Hot diffusion welding method
    • 热扩散焊接法
    • US5330097A
    • 1994-07-19
    • US966170
    • 1993-01-25
    • Shinichiro Inoue
    • Shinichiro Inoue
    • B23K20/02B23K35/00B23K11/00B23K11/18B23K11/20
    • B23K20/023B23K35/007
    • A hot diffusion welding method wherein a first part generally made from a material different from a second part and the second part made from copper alloy are united with an insert material interposed between the joint faces thereof under a heated and pressurized condition. The insert material at the joint between the first and second parts is copper plating formed on the joint face of the first part made from the different material, so that the thermal conductivity between the two parts is improved to perform smooth resistance heating. This enables continuous welding operation without polishing the conductive surfaces of a pair of electrodes in order to eliminate oxides therefrom.When the insert material interposed between the joint faces of the two parts is a normal brazing filler metal, resistance heating is carried out with an even number of superposed bodies in each of which the second part, insert material, first part are superposed, the superposed bodies being assembled in such a manner that the respective second parts are brought into contact with each other. In this case, the first parts having a greater thermal capacity are in contact with the pair of electrodes, whereby polishing for eliminating oxides from the conductive surfaces of the electrodes is no longer necessary and continuous welding operation can be thus accomplished.
    • PCT No.PCT / JP91 / 00976 Sec。 371日期:1993年1月25日 102(e)日期1993年1月25日PCT提交1991年7月23日PCT公布。 出版物WO92 / 日本1992年2月6日。热扩散焊接方法,其中通常由不同于第二部分的材料制成的第一部分和由铜合金制成的第二部分与插入材料相结合,插入材料在其接合面之间加热和 加压条件。 在第一部分和第二部分之间的接合处的插入材料是在由不同材料制成的第一部分的接合面上形成的铜电镀,使得两部分之间的导热性得到改善以进行平滑的电阻加热。 这样可以实现连续焊接操作,而不会抛光一对电极的导电表面,以便从中消除氧化物。 当插入材料插入在两个部分的接合面之间是正常的钎料时,电阻加热是用偶数个重叠体进行的,其中第二部分,插入材料,第一部分重叠,重叠的 以使各个第二部分彼此接触的方式组装的主体。 在这种情况下,具有较大热容量的第一部分与一对电极接触,由此不再需要用于从电极的导电表面消除氧化物的抛光,从而可实现连续的焊接操作。