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April 2012

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Subject:
From:
Inge Hernefjord <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, Inge Hernefjord <[log in to unmask]>
Date:
Tue, 3 Apr 2012 19:42:51 +0200
Content-Type:
text/plain
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text/plain (147 lines)
ne sais pas, ne comprend pas aussi
Inge

On 2 April 2012 23:58, GRIVON Arnaud <[log in to unmask]> wrote:

> Envoyé à partir de mon Windows phone d'Orange
>
> ----- Message d'origine -----
> De: Steven Creswick <[log in to unmask]>
> Env: lundi 2 avril 2012 22:29
> À: [log in to unmask] <[log in to unmask]>
> Objet: Re: [TN] NTC- unmeltable solder
>
>
> Inge,
>
> I prefer mine.  I make it about 80% whole wheat, 20% rye flour.
>
> Not like that pasty white, nutritionally void stuff we get in the stores
> over here.
>
> Have a loaf in the oven now.  Makes the house smell great.
>
> Makes fantastic grille cheese sandwiches!!
>
>
> But I do cut off the crust when stuffing into water pipes.  I forget who it
> was that said it, but even the slightest amount of water in the pipe will
> render it unsolderable.  I have used the bread stopper trick myself.  Just
> take the aerators off the faucets for a while...
>
> Steve C
>
>  -----Original Message-----
> From: TechNet [mailto:[log in to unmask]] On Behalf Of Inge Hernefjord
> Sent: Monday, April 02, 2012 3:49 PM
> To: [log in to unmask]
> Subject: Re: [TN] NTC- unmeltable solder
>
> Mother's pride or what kind?
> Inge
>
> On 2 April 2012 12:38, Gerald Bogert
> <[log in to unmask]>wrote:
>
> > April 2, 2012
> >
> > The problem may not have anything to do with the solder used. The pipe
> > could have some water remaining in it or a valve upstream of where you
> > are soldering could have small leak.  Any amount of water leak can
> > make it difficult if not impossible to make a solder joint.  Old
> > plumbers trick by putting small piece of bread into the pipe may stop
> > the leak long enough to make the solder joint.
> >
> > -----Original Message-----
> > From: TechNet [mailto:[log in to unmask]] On Behalf Of David D. Hillman
> > Sent: Thursday, March 29, 2012 4:57 PM
> > To: [log in to unmask]
> > Subject: Re: [TN] NTC- unmeltable solder
> >
> >  Hi Blair - one other possible reason but lower on the possibility
> > scale is that the solder joint, if old enough, had converted itself
> > into a tin/copper joint rather than copper and solder joint. Most
> > solders contain a low melting element - i.e. lead, bismuth, etc. - so
> > the solder joints should go molten but if you had a high tin alloy
> > with minimal lower melting point element addition, you would be trying to
> "melt"
> > copper/tin intermetallic which isn't going to happen.  Mike's or
> > Chuck's responses are more probable explanations for what you
> experienced.
> >
> > Dave
> >
> >
> >
> > Blair Hogg <[log in to unmask]>
> > Sent by: TechNet <[log in to unmask]>
> > 03/29/2012 12:20 PM
> > Please respond to
> > TechNet E-Mail Forum <[log in to unmask]>; Please respond to
> > Blair Hogg      <[log in to unmask]>
> >
> >
> > To
> > <[log in to unmask]>
> > cc
> >
> > Subject
> > [TN] NTC- unmeltable solder
> >
> >
> >
> >
> >
> >
> > The recent discussions on rework issues reminded me of a while back
> > where I needed to repair a leaky water pipe in my home. Took a chunk
> > of the ceiling out, got out the plumbers torch, drained the pipes and
> > started to heat. No matter what I did to the joint that was leaking I
> > could not get
> >
> > anything to melt. Had to cut the pipe on either side of the elbow
> > joint and patch in a new section. Even afer I took it out I could not
> > get it apart. Not sure what happened to the solder but something
> > changed it to make it unmeltable.
> >
> > Blair
> >
> >
> >
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>
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