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Carbon Fiber replacement? #66311
02/08/06 01:38 AM
02/08/06 01:38 AM
Joined: Jun 2001
Posts: 890
Dunedin Causeway, FL
David Parker Offline OP
old hand
David Parker  Offline OP
old hand

Joined: Jun 2001
Posts: 890
Dunedin Causeway, FL
Bucky paper and carbon nanotubes have been in the news lately as an incredibly upgraded form of carbon fiber. Any of you materials guys know about this stuff? Seems to be happening at Florida State University. It's still early but worth a Google search.

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Re: Carbon Fiber replacement? [Re: David Parker] #66312
02/08/06 01:36 PM
02/08/06 01:36 PM
Joined: Feb 2004
Posts: 39
Central Europe
ceitzi Offline
newbie
ceitzi  Offline
newbie

Joined: Feb 2004
Posts: 39
Central Europe
Carbon nanotubes do possess a number of properties that would make them top candidates for very strong fibers.
At least in experiments on the micro-scale they have shown an extremely high modulus of elasticity and "inverse buckling properties" (that is they don't break easily).
To my knowledge (status of 3 years ago) there were still a number of problems such as
- how to produce large amounts of long nanotubes
- how to embed nanotubes in a polymer to achieve a tight connection between the polymer and the nanotube
- how to keep nanotubes distributed in the polymer (they tend to build lumps)

Nanotubes could possibly be the future, but it is still a long way to go.

CEitzi

Re: Carbon Fiber replacement? [Re: ceitzi] #66313
02/08/06 01:42 PM
02/08/06 01:42 PM
Joined: Jan 2005
Posts: 169
Santa Barbara CA
sbflyer Offline
member
sbflyer  Offline
member

Joined: Jan 2005
Posts: 169
Santa Barbara CA
Another problem with nano tech is its demonstated ability to be incorporated into the body at the cellular level, with health risks the can make asbestosis seem mild.


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