Digest for sci.electronics.repair@googlegroups.com - 3 updates in 1 topic

8:40 AM Penedão
Bob Engelhardt <BobEngelhardt@comcast.net>: Nov 30 10:48PM -0500

On 11/30/2021 11:19 AM, Liz Tuddenham wrote:
> during soldering, not afterwards; so unless you are doing something
> remarkably careless, you should still be alive at the end of it.
 
> :-)
 
I'm the one who misunderstood. For some reason, although you did not
even imply it, I took it to mean that the copper would dissolve over time.
liz@poppyrecords.invalid.invalid (Liz Tuddenham): Dec 01 11:14AM


> > :-)
 
> I'm the one who misunderstood. For some reason, although you did not
> even imply it, I took it to mean that the copper would dissolve over time.
 
I didn't make it very clear; there might be a long-term effect too, but
I haven't heard about that.
 
If you use copper-loaded 'Savbit' it will prevent any copper dissolving
and will also make the soldering iron bit last longer (which was its
original selling point). Silver also dissolves in solder, which is why
silver-loaded solder has to be used on the silver-plated ceramic
tagstrips of older Tektronix oscilloscopes.
 
 
--
~ Liz Tuddenham ~
(Remove the ".invalid"s and add ".co.uk" to reply)
www.poppyrecords.co.uk
legg <legg@nospam.magma.ca>: Dec 01 08:32AM -0500

On Sun, 28 Nov 2021 21:45:51 +0000, liz@poppyrecords.invalid.invalid
(Liz Tuddenham) wrote:
 
>> that is what you have got is a different matter!
 
>It's very common nowadays, so the chances are that these wires will be
>insulated with it.
 
Any links to this wire grade?
 
I've seen solderable, but would be really surprised to see
self-fluxing.
 
Any soldering will produce brittleness, in fine gauge wires,
so crimping preferred - both with strain relief.
 
RL
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