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Evaluating Single Fiber and Fiber Bundle Tensile Curves

机译：评估单根光纤和光纤束的拉伸曲线

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摘要

Most research on estimations of fiber bundle tensile curves from single fiber tensile properties is based on knowledge of the frequency density distribution of fiber breaking extension and the linear elastic spring constant. Such research focuses on cotton fibers and fiber bundles. On the other hand, there are few methods to predict the tenacity of single wool fibers from fiber bundle tensile curves. Using characteristics of specific stress-strain curves from both single fiber and fiber bundle tensile testing, new theoretical calculations to estimate the tenacity and breaking extension distribution of single fibers from bundle tensile curves are described in detail for wool fibers. The experimental results show that these algorithms are effective and reliable for such evaluations, the experimental and estimated results obtained from the TENSOR fiber bundle tests and the SIFAN single fiber measurements agree with each other, and single fiber tenacity or even its curve can be evaluated using the tail of the bundle tensile curve.
机译：从单纤维拉伸性能估算纤维束拉伸曲线的大多数研究都是基于对纤维断裂延伸的频率密度分布和线性弹性弹簧常数的了解。这些研究集中在棉纤维和纤维束上。另一方面，很少有方法可以根据纤维束的拉伸曲线来预测单羊毛纤维的强度。利用来自单纤维和纤维束拉伸测试的比应力-应变曲线的特征，详细描述了从羊毛束纤维的束拉伸曲线估算单纤维的强度和断裂延伸分布的新理论计算。实验结果表明，这些算法对于这样的评估是有效和可靠的，从TENSOR纤维束测试和SIFAN单纤维测量获得的实验和估计结果彼此一致，并且可以使用以下方法评估单纤维的强度甚至曲线束张力曲线的尾部。

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