采用两参数Weibull分布,对Nextel 720纤维强度及其分布进行了研究,并采用Kolmogorov非参数检验对其分布进行了检验.采用液相浸渍(硅溶胶、石英浆料和氮化硅浆料)对Nextel 720纤维进行处理,研究其对Nextel 720纤维强度的影响.结果表明,可用两参数Weibull分布表征纤维束强度分布.热处理使纤维强度急剧下降,且强度分散性变大.上浆后800℃处理,纤维束强度较高,Weibull模数高于原始纤维束;1000℃处理后,温度对纤维束的损伤严重,强度较低,但比不上浆相同温度处理纤维束强度高,分散性小.
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