Cotton Quality and Fiber Properties
Cotton Quality and Fiber Properties
复制标题
棉花质量和纤维特性
DOI：
10.1177/004051755602600302
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发表时间：
1956
影响因子：
2.3
通讯作者：
H. Wakeham
中科院分区：
文献类型：
--
作者：
W. Virgin;H. Wakeham
本研究的目的是评估使用单纤维测试方法测定棉纤维性能和纱线质量的预测。对21个代表长度、细度和强力极端的国产棉花品种的原棉、精整并条和36支普梳纱进行了取样。测试来自所有三个加工站的单纤维的细度和机械性能：卷曲、Hookean斜率、断裂负荷、伸长率、弹性模量、断裂应力和断裂能。确定了这些特性的范围。将结果与纤维束、条子和纱线的力学性能进行了比较。相关性研究结果表明，所有的纤维力学性能的测量与纤维细度，并在品种之间，纤维长度。夹具间距大于1.5 mm时的束强度和伸长率与纤维断裂强度和伸长率有很好的关系。生条力-伸长斜率取决于纤维细度和纤维弹性模量。纱线强度与纤维长度、细度和弹性模量的关系很大，与纤维强度的关系很小;纱线伸长率与纤维伸长率和弹性模量的关系很大。这些观察结果表明，纱线的强度和伸长率与单纤维的性能，并可以预测从他们充分以及从批量测量的细度和束强度数据。弹性模量是预测纤维组装行为的重要参数。
The purpose of this research was to evaluate the use of single-fiber testing methods for the determination of cotton fiber properties and for the prediction of yarn quality. Samples of unprocessed cotton, finisher drawing sliver, and 36's carded yarn were ob tained for 21 domestic cotton varieties representing extremes in length, fineness, and strength. Single fibers from all three processing stations were tested for their fineness and mechanical properties: crimp, Hookean slope, breaking load, elongation, elastic modulus, breaking stress, and energy to rupture. Ranges for each of these properties were established. The results were compared with the mechanical properties of the fiber bundles, slivers, and yarns. Correlation studies of the results show that all of the mechanical properties measured on fibers are related to fiber fineness and, among the varieties, to fiber length. Bundle strengths and elongations at clamp spacings greater than 1.5 mm. relate well to fiber breaking strengths and elongations. Sliver force-extension slope is dependent on fiber fineness and fiber elastic modulus. Yarn strength depends strongly on fiber length, fine ness, and elastic modulus, and only weakly on fiber strength; yarn elongation depends greatly on fiber elongation and elastic modulus. These observations suggest that yarn strength and elongation are related to the single fiber properties and can be predicted from them fully as well as from bulk measurements of fineness and bundle strength data. They also indicate that elastic modulus is an im portant parameter for predicting fiber assembly behavior.