In my experience when you want Ni to wet it doesn't and when you don't it does.............. :-) Ian -----Original Message----- From: TechNet [mailto:[log in to unmask]] On Behalf Of Glidden, Kevin Sent: 29 August 2013 20:01 To: [log in to unmask] Subject: Re: [TN] Solder joint failure In my experience nickel is NOT easy to solder to at all. -----Original Message----- From: Victor Hernandez [mailto:[log in to unmask]] Sent: Thursday, August 29, 2013 2:53 PM To: [log in to unmask] Subject: [TN] Solder joint failure Fellow TechNetters: Should I be concern with an electroless matted nickel plating over an aluminum sheet metal surface and solder onto a copper heat tube? I recall something about directly soldering onto a nickel surface. Beside nickel oxidation. Any suggestions would be greatly appreciated. Victor, ______________________________________________________________________ This email has been scanned by the Symantec Email Security.cloud service. For more information please contact helpdesk at x2960 or [log in to unmask] ______________________________________________________________________ ______________________________________________________________________ This email has been scanned by the Symantec Email Security.cloud service. For more information please contact helpdesk at x2960 or [log in to unmask] ______________________________________________________________________ ______________________________________________________________________ This email has been scanned. ______________________________________________________________________ Aero Engine Controls is part of the Rolls-Royce Group, whose legal entity is Rolls-Royce Engine Control Systems Limited which is registered in England. Registered office at Moor Lane, PO Box 31, Derby, DE24 8BJ. Company number 6686268, UK VAT number GB 939 396 075 ______________________________________________________________________ This email has been scanned by the Symantec Email Security.cloud service. For more information please contact helpdesk at x2960 or [log in to unmask] ______________________________________________________________________