11 carbono-carbono

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Applications ofcarbon-carbon

composites

Jess Puente

1th, December 2011


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Overview

Carbon materials have high strengthand stiffness potential as well ashigh thermal and chemical stability

in inert environments. Thesematerials must, however, beprotected with coatings and/or

surface sealants when used in anoxidizing environment.


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State of the art

Carbon-carbon (CC) materials are ageneric class of composites similar

to the graphite/epoxy family ofpolymer matrix composites.

These materials can be made in awide variety of forms, from one-dimensional to n-dimensional, using

unidirectional tows, tapes, or wovencloth. Because of their multiformit


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Properties of carbon-carbon


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The development of CC materialsbegan in 1958 and was nurtured

under the US Air Force space planeprogram, Dyna-Soar and NASA'sApollo projects. It was not until theSpace Shuttle Program that CC

material systems were intensivelyresearched.

The criteria that led to the selection


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1) maintenance of reproduciblestrength levels at 1650C (3002F)

2) sufficient stiffness to resist flightloads and large thermal gradients

3) low coefficient of thermal expansion

to minimize induced thermalstresses

4) oxidation resistance sufficient to

limit strength reduction


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Applications


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Mercedes-Benz CL55 AMGF1

The Mercedes-Benz CL 55 AMG F1Limited Edition is the world's firstroadgoing automobile equipped with an

ultra-high-performance ceramic brakingsystem. The engineers atDaimlerChrysler AG and Mercedes-AMG

GmbH developed internally ventilatedbrake discs made from fiber-reinforcedceramics for this unique high-performance coupe. The use of ceramic

brakes in the CL was part of a pilot


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Pieces of reinforced carboncarbon taken from theright leading edge of the early Shuttle prototypeSpace Shuttle Enterprise, showing brittle failure of

C/C due to foam impact reproducing a possibleevent durin Columbia's final launch


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The brake disc of this Ferrari race car'sbraking system is made from carbonfibre-reinforced silicon carbide


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Carbon-carbon automotivepiston


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References

http://en.wikipedia.org/wiki/Reinforced_carbo

http://clev11.com/~composi1/?page_id=17

http://www.supercars.net/cars/1229.html

Handbook of composites / S. T. Peters, 2ndEdition, Process Research, Mountain View,

Calfornia, USA
http://en.wikipedia.org/wiki/Reinforced_carbon%E2%80%93carbonhttp://clev11.com/~composi1/?page_id=17http://www.supercars.net/cars/1229.htmlhttp://www.supercars.net/cars/1229.htmlhttp://clev11.com/~composi1/?page_id=17http://en.wikipedia.org/wiki/Reinforced_carbon%E2%80%93carbon

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