Metal fusion bonding – Miscellaneous
Patent
1989-08-31
1991-01-22
Lechert, Jr., Stephen J.
Metal fusion bonding
Miscellaneous
228106, 228107, 22826311, 22826315, B23K 100
Patent
active
049864610
ABSTRACT:
When working material with the aid of shock-wave generating energy sources, the problem of tool fatigue occurs.
This problem is reduced to a great extent by means of the inventive method, which prevents the occurrence of reflected tensile-force waves. This is achieved by permitting the pressure wave to pass into contact with porous material applied to the tool material, so that wave energy will be consumed by interference and heat generation in the porous material.
REFERENCES:
patent: 3608490 (1971-09-01), O'Keefe
patent: 3710434 (1973-01-01), Daniels et al.
patent: 3868761 (1975-03-01), Apalikov et al.
patent: 3893222 (1975-07-01), Ballinger
patent: 4133471 (1979-01-01), Niwatukino
patent: 4391403 (1983-07-01), Persson
patent: 4641775 (1987-02-01), Lande et al.
Exploweld AB
Lechert Jr. Stephen J.
Nigohosian, Jr. Leon
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