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Thermal Cycling in chrome plated ABS





August 31, 2010

I have problems with chrome cracking after thermal cycling.
The defect seems like "grooves".
Some specialists say that increase the copper thickness is the solution.
Is it true?
How can I solve this problem?

Estēcio Filho
Engineer - Joinville, SC, Brazil



September 1, 2010

Hi, Estacio.

I don't know how thick your copper plating is, or how thick it should be, but I do know that the reason for copper plating of chrome plated ABS automotive components is thermal cycling resistance, so I'd say you're on the right track.

Regards,

Ted Mooney, finishing.com
Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey


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