Quick question I couldn't easily find a definite answer, so I hope someone here could help. I've been looking for information about the ratio (by weight) of glass or carbon fiber to epoxy matrix in composites that are used in automotive applications. The info I've found suggests that 60% fibre/40% epoxy matrix seems to be common for glass fibre reinforced plastics (GFRP), but does this apply in automotive applications, and is it representative for carbon fibre reinforced plastics (CFRP) as well?
60%/40% a typical fiber-matrix ratio for GFRP/CFRP composites . But it differs based on the number of layers, thickness, fabrication route and etc. while fabricating for particular application. Recently we fabricated the basalt fiber composites. We got better results for 70%/30%.
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