纤维增强塑料复合材料.层合板厚度特性的测定.第2部分:用碳纤维系统单向层合板弯曲试验测定弹性模量､强度和威布尔尺寸效应Fibre-reinforced plastic compositess - Determination of laminate through-thickness properties - Part 2: Determination of the elastic modulus, the strength and the Weibull size effects by flexural test of unidirectional laminate, for carbon-fibre based systems