Inge, it isn't difficult at all. It's just like spreading butter. When soldering margarine wires just make sure you use a margarine soldering iron tip and for manganin you need to switch to a soldering iron with a manganin tip.
Regards,
George
George M. Wenger
Senior Principal Reliability / FMA Engineer
Andrew Corporation - Wireless Network Solutions
40 Technology Drive, Warren, NJ 07059
(908) 546-4531 Office (732) 309-8964 Mobile
E-mail: [log in to unmask]
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Inge
Sent: Tuesday, March 13, 2012 1:14 PM
To: [log in to unmask]
Subject: Re: [TN] Soldering manganin wires?
manganin ..sounds as difficult as to solder margarine wires
Inge
----- Original Message -----
From: "David D. Hillman" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Tuesday, March 13, 2012 6:00 PM
Subject: Re: [TN] Soldering manganin wires?
> Hi Sylvain - we have a couple of applications where we solder to manganin
> wire and let's just say it not a fun task! You can use tin/lead solder but
> the key is that you need a highly highly aggressive flux to deal with the
> manganin surface oxides. I recommend you look at fluxes that are designed
> for soldering stainless steel or magnet wire - Indium, Kester, Alpha,
> etc. all of the solder suppliers offer flux formulations you can choose to
> use. I would also recommend that the flux chemistry be a water soluble
> formulation to aid in the removal of the flux residues/nonactivated flux
> to avoid possible corrosion issues due to inadequate cleaning. Good luck.
>
> Dave Hillman
> Rockwell Collins
> [log in to unmask]
>
>
>
>
> Sylvain Kaufmann <[log in to unmask]>
> Sent by: TechNet <[log in to unmask]>
> 03/13/2012 09:18 AM
> Please respond to
> TechNet E-Mail Forum <[log in to unmask]>; Please respond to
> Sylvain Kaufmann <[log in to unmask]>
>
>
> To
> <[log in to unmask]>
> cc
>
> Subject
> [TN] Soldering manganin wires?
>
>
>
>
>
>
> Dear TechNetters,
>
> One of our customer is designing and prototyping some cryogenic
> temperatures measurement assemblies.
>
> As part of the material used, the "temperature sensors" are supposed to be
> connected to the PCB with manganin wires.
> The PCB is a flex with ENIG finish.
>
> I never heard about this material before and found it was an alloy mixing
> 86% copper, 12% manganese, 2% nickel.
>
> I checked the TechNet archive as well as the internet, but was not
> successful in finding guidelines about soldering those wires.
> I found some words on NPL website about copper-manganese alloys : quote
> from website -> Joints between the copper manganese alloys and copper are
> made most effectively by welding in an atmosphere of argon, and by hard
> soldering if welding is impracticable.
>
> On the other hand, I found some papers from some physicists or some
> hobbyist video stating that manganin can be soldered with regular tin-lead
> solder (well, at least they did it on their proto apparatus)...
>
> Provided I can find only very few info and mostly not consistent, I turn
> my eyes on you experts out there.
>
> Does anyone have experience in soldering this material?
> Or more precisely, is this material solderable with some regular
> electronic solder alloys?
>
> As usual, thanks a lot in advance for your valuable input.
> Kind regards
> sylvain
> --------------------------------------------------------------------------------------------------
> Sylvain Kaufmann
> CERN - European Laboratory for Particle Physics
> Dpt : TE-MPE-EM
> Office : 160/1-026
> Tel : +41 22 767 37 02
> Fax : +41 22 766 87 77
> --------------------------------------------------------------------------------------------------
>
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