Sacrificial bonding and forming aid for platelet assemblies

Details Sacrificial bonding and forming aid for platelet assemblies Sacrificial bonding and forming aid for platelet assemblies

1995-04-19

1997-08-12

Bradley, P. Austin

Metal fusion bonding

Process

With shaping

228174, 228190, 228193, B23K 2002, B23K 3100

Patent

active

056557027

ABSTRACT:
Platelet assemblies are formed from bondable platelets, such as diffusion-bondable, brazable, or adhesive-bondable platelets, with void regions in the platelets to form channels or open spaces in the finished platelet assembly. To improve the response of the platelet assembly to pressure bonding as well as to post-bonding fabrication processes such as forming, machining and welding, the void regions are filled with a sacrificial material which transmits the load of the applied pressure in the same manner as the remainder of the platelet, and yet which is removable from the finished platelet assembly by either thermal or chemical liquefaction after all potentially damaging fabrication procedures have been performed on the platelet assembly.

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