Welded structures

Details Welded structures Welded structures

1980-03-31

1982-03-09

McQuade, John

Stock material or miscellaneous articles

All metal or with adjacent metals

Composite; i.e., plural, adjacent, spatially distinct metal...

228263R, 428582, 428685, B23K 3500

Patent

active

043189660

ABSTRACT:
Compensation is provided in a welded structure formed from dissimilar metals e.g. carbon steel and stainless steel for knife-line corrosion occurring at the interface between the dissimilar metals by making the length of the path along which knife-line corrosion is liable to occur between the metals towards the load bearing area of the weld exceed the expected extent of knife-line corrosion over the design life of the structure. The interface exposed to the corrosive environment may be displaced from the load bearing region of the weld by providing a layer of metal e.g. the weld metal over, and fused to the surface of the one of the components with which the metal of the layer forms a knife-line corrodable combination. That surface may include the surface of an appendage integral with or welded to the component.

REFERENCES:
patent: 2759249 (1956-08-01), Eberle
patent: 2963129 (1960-12-01), Eberle

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