I also saw an article about useing a machine oil o the Al, scapping then
soldering under the oil. I think the machine oil has a high flash point
and keeps the oxygen away from the clean Al.
Chris opr VE7HCB
At 08:21 AM 2001-10-16 -0700, Dan Evans wrote:
> > 150W or more iron, make a solder pool there. Then scratch the aluminum
> > surface under the solder pool thoroughly. Then join. What's happening is
> > this. Aluminum oxide forms real fast after scrapping dry. Scrapping
> > the sodler pool keeps the air off the freshly scrapped surface which would
> > oxidize almost immediately without the pool.
> > > k7gco
>I once saw an article that suggested using oil to keep the oxide from
>re-forming long enough to make the solder joint. Unfortunately, I can't
>recall where I saw the article. Probably in QST sometime in the last 15 to
>20 years [guess that really narrows it down, hi hi]. I've never tried it.
>I do remember seeing a vendor at a hamfest selling "welding" rods that would
>allow you to weld aluminum with a propane torch.
>Dan Evans N9RLA
>Scottsburg, IN 47170
>IN-Ham list administrator
>1/2 of the N9RLA /R no budget Rover Team
>Check out the Rover Resource Page at:
>----- Original Message -----
>To: <email@example.com>; <firstname.lastname@example.org>; <W7JWJ@aol.com>;
>Sent: Tuesday, October 16, 2001 3:54 AM
>Subject: Re: [TowerTalk] NoAlox
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