[sdiy] Lead-free DIY

[karl dalen]

 --- Roman <modular at go2.pl> skrev: 
> And how about mixing Pb/Sn and lead-free solder?
> What bad is happening inside the solder joint when you solder leaded
> component with lead-free solder? What if you use it on leaded PCB? 
> Can someone please explain what's happening then, maybe some molecular level
> explanation if someone dares?
> Pretty plese?

every thing depends on what metals are used, as i said previous if
Bi are a component of the solder and  platings or component legs
contain Pb you will have termal problems, Pb amd Bi maks for 96deg c
melt point.

KD 
> 
> I personally don't like seeing my hands coloured with lead after long
> soldering. And I can't feel it's safe even when I wash my hands several times
> after soldering.
> 
> Roman
> 
> ---- Wiadomo¶æ Oryginalna ----
> Od: Magnus Danielson <cfmd at bredband.net>
> Do: synth-diy at dropmix.xs4all.nl
> Data: Sun, 03 Oct 2004 17:36:07 +0200 (CEST)
> Temat: [sdiy] Lead-free DIY
> 
> >Dear all,
> >
> >I want to raise a few questions in order to see what impacts we could expect
> in
> >a future near us. The requirement to go lead-free in production of
> electronics
> >is bound to come over to the DIY-world one day or another. This should
> really
> >shake some people up since Pb/Sn soldering tin may eventually be GONE and
> >components will have Pb-free solder-plating. Soldering with Pb-free tin also
> >requires different temperatures etc. Just repairing stuff will be different
> >quite soon.
> >
> >So, what knowledge does people have on this?
> >
> >Is there any Pb-free certified guys around here?
> >
> >What experience does people have to share?
> >
> >What soldering gear can we just toss since they are no longer able to be
> >usefull? (I think there is stuff which will no longer be usefull -
> outdated!)
> >
> >What about whiskers? Is there a *real* solution for _everyone_? (I think not
> >yeat!)
> >
> >Soldering Pb-free is as far as I know harder and things behaves differently.
> >A friend of mine is just going to dig into the field, and probably push
> >material onto the web (once a soldering freak - always a soldering freak,
> this
> >freak has his own server).
> >
> >PS. Stocking up on Pb/Sn solder will only solve part of the problem, so that
> >quick answer renders quite useless in the long run and when dealing with
> gear
> >that is Pb-free.
> >
> >So, shoot!
> >
> >Cheers,
> >Magnus
> >
> 
>