Re: Solder to Aluminum?


"Robert Baer" <robertbaer@xxxxxxxxxxxxx> wrote in message
news:2fQre.4418$hK3.576@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> przemek klosowski wrote:
>
> > On Wed, 15 Jun 2005 02:38:24 +0000, David Lesher wrote:
> >
> >
> >>
> >>Solder in an inert atmosphere/vacuum, maybe?]
> >
> >
> > You are on the right track: don't let the Al2O3 reform.
> > Instead of vacuum/inert gas, I had good luck with soldering under
> > a droplet of engine oil. I was soldering to a 1mm by 1 cm Al strip,
using
> > a small 30 W iron; I wetted the tip with a blob of solder, and touched
the
> > side of the oil droplet, while scrapping the area covered by oil with a
> > dental pick. Within 10-20 seconds, the solder wetted the scratched area
> > under the oil.
> OIL! Did not think of that.
> Forgive the pun, but that was a slick idea!

Use J. W. Harris Stay-Clean Aluminum Flux. Smells bad, works fine. Intended
for repairing aluminum refrigeration parts. They recommend using
silver-bearing solder (Stay-Brite) or Alusol, but it will work just fine
with tin-lead as well.


.

Relevant Pages

  • Re: What Happened to Aluminium Solder?
    ... Mmmmm fried solder. ... You have to cover the surfaces with oil, scratch through the ... GPG Key available on public key servers ...
    (sci.electronics.design)
  • Re: aluminum solder?
    ... Tin the aluminum under oil, then solder as normal. ... you can scrape away the oxide coating while preventing oxygen ...
    (rec.crafts.metalworking)
  • Re: What Happened to Aluminium Solder?
    ... Mmmmm fried solder. ... The oil is to stop the aluminium re-oxidisng after it's been ... decent surface to solder to. ...
    (sci.electronics.design)
  • Re: Solder to Aluminum?
    ... Instead of vacuum/inert gas, I had good luck with soldering under ... a droplet of engine oil. ... I wetted the tip with a blob of solder, ... side of the oil droplet, while scrapping the area covered by oil with a ...
    (sci.electronics.design)