Repairing and correcting defects
Casting of aluminum alloys -Defects and part design
Article REF: M3638 V2
Repairing and correcting defects
Casting of aluminum alloys -Defects and part design

Authors : Michel GARAT, André LE NÉZET

Publication date: December 10, 2013 | Lire en français

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2. Repairing and correcting defects

Welding is used to fill surface cavities, while impregnation is used to restore watertightness.

2.1 Welding

  • Autogenous welding is used [B 7 730] .

    The filler metal, in the form of rod or wire, must have a composition similar or identical to that of the part to be repaired. These products are not always commercially available, and the foundryman is often obliged to manufacture them himself.

    Oxyacetylene soldering...

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