Jason McDowell
Topic Author
Posts: 26
Joined: Tue Apr 10, 2001 4:40 am

Disgustingly Technical Question About Composites

Tue Aug 10, 2004 11:17 am

What is the density (in grams per square meter) of most carbon fiber used in airframe applications?

In particular, I'm interested in the Raytheon Premier flight control surfaces (which are prepreg composite).

If anyone actually knows this, I'll be blown away. : )

Posts: 1473
Joined: Sat Dec 13, 2003 5:47 pm

RE: Disgustingly Technical Question About Composites

Tue Aug 10, 2004 12:53 pm

From what I've read, average carbon fibre density is around 1.75 grams per cubic centimeter. Aircraft-grade carbon fibre could be a bit denser than that, maybe somewhere in the region of 2.0 g/cm³?

Posts: 485
Joined: Mon Jul 28, 2003 8:00 am

RE: Disgustingly Technical Question About Composit

Tue Aug 10, 2004 1:57 pm

1. go to http://www.matweb.com
2. click "material types"
3. other engineering materials -> carbon fiber
4. pick a few to get a feel for density values

Don't worry, "disgustingly technical" has to involve calculations of some sort, at least  Smile

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