I was looking at Toray's website and I noticed that T-300 carbon fiber is rated at a much higher (1860 Mpa vs 1570) flexural strength than T-1000 fiber for a 60% fiber volume matrix, even though T-1000 carbon fibers are obviously much stronger than T-300 in pure tensile strength (6370 Mpa vs 3530)
Does anyone know why this is? Does this have to do with T-1000 fibers being thinner and more likely to experience micro-buckling or something? Would T-1000 be stronger than T-300 if it was compared in a 70% fiber matrix like what most bike frames are made of?
Btw, I think HexCel actually makes the strongest carbon fiber according to their website, both in composite form (flexural strength) and in pure tension.
In real-world applications, I think flexural strength, or a combination of tensile and compressive strength, would be more important than pure tensile strength.
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Thread: Is T-300 stronger than T-1000?
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