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Letter 1046
Microstructure of electroplated
bronze
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I am looking for any papers or other research that has been
performed on the examination of the microstructure of electroplated
bronze.
Specifically, I am looking for the mechanisms of intermetallic
formation, and how to avoid the formation of the low melting point
intermetallics in electroplating bronze.
Thanks...Louis
Louis Morin - Westaim
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I am not sure whether you are talking about electroplating of
copper-tin alloys (bronze) onto other substrates or plating other
metals onto bronze substrates. Your question would be easier to
answer if we knew specifically what plating materials onto what
substrate materials you are interested in.
There are numerous references for the formation of intermetallics
when tin and other metals are electroplated on to copper alloys. Most
of this work is related to solderability problems in the electronics
industries. Intermetallics inhibit solderability due to their high
melting temperatures. Low melting temperatures are typically due to
eutectic compositions of alloying elements.
Let me know what alloys you are interested in, and I will respond
with some references.
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Larry Hanke
materials testing laboratory
Minneapolis, Minnesota
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Look in Brenners Electrodeposition
of Alloys. He talks about microstructure of bronze electroplated
coatings. Chances are you will have to find the books at a local
university library. Also try Safranek's book available through AESF.
Tom Sivula
plating shop - Harbor City, California
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informacio de chapa de oro
carlos rivas cardenas - italian tradicion joyera - mexico
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