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    • 9. 发明专利
    • Laser brazing method
    • 激光打标方法
    • JP2008119750A
    • 2008-05-29
    • JP2007293423
    • 2007-11-12
    • Volvo Car Corpボルボ カー コーポレーションVolvo Car Corporation
    • PALMQUIST NICLASLINDAHL PERTODAL URBANLAURILA ESAHOPKINS GLENSTROEMBLAD MARTIN
    • B23K1/005B23K1/00B23K26/00B23K26/20
    • B23K1/0056
    • PROBLEM TO BE SOLVED: To provide an efficient laser brazing method which lessens or completely eliminates surface-breaking pores after laser brazing. SOLUTION: A laser brazing head 18 has a means for producing a first laser beam 20' and a second laser beam 22'. The invented laser brazing method comprises: a step for making a first member 10 come into contact with a second member 12 so as to form an interface 16 between both members; a step for supplying a filler 14 to the vicinity of the interface 16; and a step for moving a laser brazing head 18 along the interface 16 so that the first laser beam 20' melts the filler 14 for at least partially filling the interface 16 to form a brazed junction 24 and the second laser beam 22' performs post-heat treatment of the brazed junction 24. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种有效的激光钎焊方法,其可以在激光钎焊之后减少或完全消除表面破裂孔。 解决方案:激光钎焊头18具有用于产生第一激光束20'和第二激光束22'的装置。 本发明的激光钎焊方法包括:使第一构件10与第二构件12接触以在两个构件之间形成界面16的步骤; 将填料14供给到界面16附近的步骤; 以及用于沿着界面16移动激光钎焊头18的步骤,使得第一激光束20'熔化填充物14以至少部分地填充界面16以形成钎焊接头24,并且第二激光束22' 钎焊接头24的热处理。版权所有(C)2008,JPO&INPIT