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Carbon Fiber & Metal

 
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galinhdz(at)gmail.com
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PostPosted: Sun May 08, 2011 11:20 am    Post subject: Carbon Fiber & Metal Reply with quote
I heard somewhere (wan't remember where) that carbon fiber and aluminum react to each other. Can anyone confirm/deny this? If so, does carbon fiber react to other metals (steel, stainless, brass etc) too?

Galin
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mantafs(at)earthlink.net
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PostPosted: Mon May 09, 2011 3:56 am    Post subject: Carbon Fiber & Metal Reply with quote
Carbon has a galvanic reaction with most metals. Carbon is at the top of the galvanic scale and aluminum is fairly near the bottom. In general, the farther apart the more there is a problem. A lot also depends on the environment.

If the carbon is electrically isolated from the metal there is no problem. So metals like stainless that form a thin poor conducting oxide tend to have less of a problem. Normally you just use one thin ply of glass between the metal and the carbon and the problem is prevented. They also make coated fasteners for use with carbon.

Mark

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