I assume then that the aluminum tabs on can
capacitors are tinned in this way. I
always wondered how they did that.
I have also seen copper plated aluminum wire.
On Mon, 13 Jan 2014 10:34:38 +1100, you wrote:
>I don't know what is used now but in his sixties
books GA Briggs of
>Wharfedale speaker fame mentions they tinned the
aluminium voice coil
>wire using an ultrasonic solder pot. The
ultrasonic energy causes
>cavitation that strips off the surface oxidation
under the solder
>surface, excluding the air.
>I think it would likely work with nichrome too.
>On 13-Jan-14 4:16 AM, David wrote:
>> Difficult to solder metals can often be
handled by cleaning and
>> etching with
>> hydrochloric acid and then depositing
copper via electrolysis and an
>> acquired solution of copper sulphate or
copper nitrate. I would worry
>> strain relief of the wire at the edge of
the solder joint though.
>> 12 Jan 2014 09:01:51 -0800, you wrote:
>> > . . .
>> > BTW, as the center conductor is
nichrome, you can't solder it. The
>> connections at the terminations are usually
crimped on the wire.
>> > - Steve