Metal fusion bonding – Process – Using only pressure
Patent
1972-01-03
1976-02-17
Lazarus, Richard Bernard
Metal fusion bonding
Process
Using only pressure
228159, 228163, 228191, B23K 2100
Patent
active
039387232
ABSTRACT:
The specification and drawings disclose a method and apparatus for rolling plural metal strips simultaneously to form thinner metal strip or foil. The method allows use of larger diameter rolls and simpler roll supporting structure and mill controls than heretofore possible in foil forming. The disclosed method contemplates the provision of a plurality of metal strips which are then bonded together in juxtaposed relationship with a thin layer of matrix material which substantially completely covers the opposed faces of the strips to form a composite comprising alternate layers of metal strip and matrix material. Thereafter the composite is rolled to reduce the strips to the desired thickness. Subsequently, the bond between the strips is destroyed and the strips are separated. According to certain embodiments, strong or low ductility metals can be formed into foils by bonding them in the central portion of the composite. Weaker or more ductile metals form the outer portions of the composite. Apparatus capable of carrying out the method is also disclosed.
REFERENCES:
patent: 2366168 (1945-01-01), Bakarian
patent: 3052964 (1962-09-01), Heuer
patent: 3380146 (1968-04-01), Babel et al.
patent: 3623197 (1971-11-01), Jones
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