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Science Forum Index » Materials Forum » looking for source for near zero CTE composite
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| Barchman |
 Posted: Wed Apr 16, 2008 4:56 am |
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Guest
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Dear all,
I'm looking for a supplier of composite that exibits a CTE along the
length wise axis (coeffecient of thermal expansion) as close to zero
as possible over the temperature range -10C to 50C (approx.)
From reading previous posts I can see that the best option is most
likely graphite/epoxy (Gr/Ep) or
graphite/cyanate (Gr/Cy). I expect that carbon/epoxy would also have
low CTE, at least in the direction of the fibers.
I'm looking for both rods (150mm x Ø5-10mm) and plates (150mm x 10mm x
30mm) , so if anyone knows of a good source for relatively small
quantities then I'd appreciate the help.
A European supplier would be the ultimate solution. |
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