B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
13/6
B23K 35/28 (2006.01) C23C 30/00 (2006.01)
Patent
CA 1308522
ABSTRACT Welded structures composed of aluminium alloy components are protected from white zone and exfoliation corrosion by means of a surface layer applied over the weld bead and consisting of an aluminium alloy containing 0.02 to 0.4% by weight of indium. Other elements which may be present include zinc 0.1 to 1.5%; manganese, 0.02 to 0.5%; tin, 0.12 to 0.50%; gallium, 0 to 0.2%; and magnesium, 0.01 to 6%. The surface coating may be applied by arc or flame spraying or by welding.
559539
Holroyd Nigel John Henry
Scamans Geoffrey Mack
British Aluminium Limited
Fetherstonhaugh & Co.
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