On Sat, 29 Mar 2014 12:44:52 +0800, Mike B someone@noplace wrote:

A google search revealed that it's possible, but it didn't turn up much about
the techniques or materials used. Can I just use the nickel acetate method like
this http://www.youtube.com/watch?v=Q8Xo43sfLgY as used on metals?

I need to make electrical connections to carbon fibre used as an electrode in a
carbon/epoxy capacitive sensor used in salt water, so it needs to be able to
withstand soldering temperatures for a couple of seconds. A resistance of less
than 100 Ohms is acceptable.

The expensive alternative is silver loaded epoxy. Carbon fibre is brittle so
mechanical clamping is unlikely to give a long term reliable connection unless
there are specialist connectors that I don't know about. Would weaving a metal
wire through the matt before adding the epoxy achieve a reliable connection if
pressure were applied during the cure process to force the wire and fibres
together?


Mike

Depending on what you are doing, I've seen copper mesh encapsulated in
a fiberglass hull for use as a capacitance coupled radio ground by
simply laying it between the cloth layers as the hull was laid up.
The connection was a screw terminal bonded to the inside of the hull.
--
Cheers,

John B.