Abstract

The regularities of statistical distributions of breaking strength of high-strength ultraoriented monofilaments and polyfilament fibers consisting of several hundreds single ultrahigh-molecular-weight polyethylene (UHMWPE) fibers were analyzed using the Weibull and Gauss models based on a large array of measurements (50 identical samples in each series). It was shown that the distribution of strength of polyfilament UHMWPE fibers can be described both in terms of the normal Gauss distribution and using the standard Weibull distribution function. At the same time, the strength distribution in UHMWPE monofilaments drawn to an ultimate draw ratio of 120 is governed by normal distribution. The reasons for the detected difference in the types of statistical distributions of breaking strengths in high-strength UHMWPE mono- and polyfilaments are discussed.

中文翻译：

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超高分子量聚乙烯的单丝和复丝超取向高强度纤维的统计强度分布特征

摘要

使用Weibull和Gauss模型，基于大量测量（50项相同每个系列的样本）。结果表明，多丝UHMWPE纤维的强度分布可以用正态高斯分布和标准的威布尔分布函数来描述。同时，拉伸至极限拉伸比为120的UHMWPE单丝的强度分布由正态分布控制。