Topband: Soldering to Aluminum

[dick.bingham]

In the past I have successfully soldered to Aluminum using regular solder. 

Initially, I scrubbed the aluminum surface to expose un-oxidized metal and then covered it with OIL to prevent exposure to air and re-oxidation of the surface. Then use a high wattage soldering and scrub the surface below the oil while scooting around a melted puddle of solder. 

Eventually the aluminum surface will become "tinned" and you can then solder to the blob.
12-months exposure to weather in a coastal environment showed no signs of corrosion.

Dick/w7wkr CN98pi

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