Electronics Forum: brass (Page 1 of 8)

can silver plating be used as barrier when soldering brass to copper? silver plate the brass?

Electronics Forum | Fri Jun 09 10:01:39 EDT 2017 | jkitt84

Ed, this is great info. Thanks. Jeff

can silver plating be used as barrier when soldering brass to copper? silver plate the brass?

Electronics Forum | Thu Jun 08 11:37:44 EDT 2017 | jkitt84

davef, thanks for feedback. I talked with a plater who said they put copper before silver when plating brass. Would a complete stack of: Brass part, then 0.0001-0.0002" of copper, then 0.0005" of silver, then Tarniban anti oxidation. Sound reasonabl

can silver plating be used as barrier when soldering brass to copper? silver plate the brass?

Electronics Forum | Thu Jun 08 07:56:34 EDT 2017 | jkitt84

In an excellent previous thread davef mentions brass should be plated prior to soldering to prevent zinc leaching from the brass. It is reported once the zinc leaches, the joint is weak. He recommends copper or nickel plating. Would silver plating w

can silver plating be used as barrier when soldering brass to copper? silver plate the brass?

Electronics Forum | Thu Jun 08 18:19:40 EDT 2017 | edhare

Jeff, You might look at this paper, which has some background & references that are relevant to your question ... http://www.semlab.com/papers/diffusionbarrierplatinginelectronics.pdf Ed Hare

can silver plating be used as barrier when soldering brass to copper? silver plate the brass?

Electronics Forum | Thu Jun 08 09:43:42 EDT 2017 | davef

You know the scary part about your mentioning a tread where I post something? Well. let's just say that 2007 was a long time ago. Anyhow, silver will dissolve into your solder and provide no barrier. Some people apply a silver flash plating over the

can silver plating be used as barrier when soldering brass to copper? silver plate the brass?

Electronics Forum | Thu Jun 08 16:12:19 EDT 2017 | davef

Your plater's recommendation should work fine. Your simple copper plate will work, but you'll be stepping into fighting a copper tarnish battle. Silver over the copper is a better choice. I was thinking a silver thickness of a minimum of 3 microns

Terminal solderability + Silver plating

Electronics Forum | Tue Aug 10 09:26:49 EDT 2004 | davef

You should be able to solder to brass - check with you flux supplier to get their recommendations. The flux you are using may not have enough activation to breakdown the oxides on the brass surface. A word of caution - brass (copper and zinc alloy)

Long term effect of lead free solder on plating

Electronics Forum | Mon Feb 27 09:09:36 EST 2006 | davef

Silver on your copper or brass part is a solderability protection. The silver diffuses into the solder and you solder to the base metal, either the copper or brass in your case. Soldering to copper is well known. The issues are soldering to brass

Soldered Brass Tape

Electronics Forum | Mon Apr 18 12:28:33 EDT 2005 | davef

We've never heard of it either. Stained glass widow people use varous types of copper and brass tape / foil in their work. A widely used suppler of this tape is Venture [ http://www.venturetape.com ]. They may be able to help. We're not sure how

Soldering to brass?

Electronics Forum | Tue Aug 07 19:32:40 EDT 2007 | davef

Zinc from the brass diffuses into the solder and reacts with tin causing dezincification. Dezincification is a specific type of de-alloying, or selective, leaching corrosion of brass fittings. This type of corrosion selectively removes zinc from th

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