Metal fusion bonding – Process – Using bond inhibiting separating material
Patent
1974-12-04
1976-09-21
Smith, Al Lawrence
Metal fusion bonding
Process
Using bond inhibiting separating material
228170, B23K 120
Patent
active
039814262
ABSTRACT:
A corrosion-resistant structural shape, clad by rolling and welding, has a base material consisting of an austenitic manganese steel and a cladding material containing alloy elements tending to phase precipitations. In a method of producing a structural shape of the above described type from a cladding pile composed sandwich-like of two base material plates and two smaller cladding sheet bars, a separating layer is inserted between the cladding sheet bars and the gap surrounding the cladding sheet bars is closed all around by means of weld strips fused with the base material plates. First the edges of the base material plates are ground beveled and then the ground-off material is replaced by building-up welding layers of carbon steel. The pile is composed and the weld strips are inserted and connected with the claddings by means of root seams along the circumference of the pile. Finally by applying further welding layers between the building-up welding layers and the weld strips, the gap is closed tight and the pile is completed.
REFERENCES:
patent: 2416400 (1947-02-01), Mehl
patent: 3116549 (1964-01-01), Born et al.
Joyce Margaret
Smith Al Lawrence
Vereinigte Osterreichische Eisen- und Stahlwerke--Alpine Montan
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