I need to know what might make Carbon fibber fail in service?

In particular i need to know how Carbon fibber could fail in service on a car body? e.g Carbon fibber can be brittle and doesn’t always cope well with impact causing sharp edges when it fractures which is not wanted on a car in a crash

Any info you can give would be usefull thanks

Answer:
you just answered your question, everything else is benefits, light, strong ETC

FIBRE

A fibber is someone who tells lies.

Carbon has an amazing strength-to-weight ratio and is becoming increasingly popular in aerospace, automotive, sporting goods, etc. The only way I view carbon as 'brittle' depends on how it is layed-up. Say you have a mat of carbon fibers all running vertical (90 degrees) and you lay it up with another mat, with fibers running in the same direction. The panel is going to be very strong in tension, but not so much in shear (45 degrees). So, to improve this you might lay up mats with fibers running in the following directions: 0, +45, 90, -45, 0 - creating a panel to improve strength in all directions.

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I need to know what might make Carbon fibber fail in service?

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