Why does carbon fibre have that pattern?
In: Engineering
CRFP is pretty much a fabric which is woven together and then soaked in glue (resin), hence it goes hard when dried. The pattern is the weave of the fabric, quite like a straw mat.
It’s woven that way so that when it is pulled (in tension), the load is distributed throughout the fabric. The fabric is much stronger than the resin, hence it is ideal for the resin to not be a part of the load path. e.g. if it were not woven, then the fibers would just pull away from each other as the resin breaks and the fibers stay intact.
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