Process for welding a sintered friction-lined foil

Details Process for welding a sintered friction-lined foil Process for welding a sintered friction-lined foil

1997-09-12

1999-08-24

Berhane, Adolf Deneke

Electric heating

Metal heating

For bonding with pressure

219118, 21912164, B23K 1111

Patent

active

059421355

ABSTRACT:
A process for welding sintered, friction-lined foils to each other or to a metallic basic body. Such foils, by definition, have a highly inhomogeneous material structure and are, therefore, poorly weldable by conventional joining methods with the usual process parameters. This applies in particular if the weld has to extend through the foils, for example in resistance spot welding, but the surface of the foil material has to remain largely unaffected in terms of its material properties. The invention describes a process which satisfies the strict requirements both with respect to strength of the welded joint and the material properties. Structural components preferably manufactured according to the process are parts of synchronizing systems in motor vehicle gearboxes.

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