自捻纱线强力的Weibull分布预测The Weibull strength prediction of the self-twist yarn
肖志永,崔红,姚兴川
摘要(Abstract)：
通过实验对自捻纱线不同夹持长度下的断裂强度进行Weibull分布分析,纯腈纶自捻纱断裂强度的线性拟合相关系数的平方R2达到0.92~0.98,说明纯腈纶自捻纱的断裂强度符合Weibull分布,可以用Weibull分布来预测自捻纱线的断裂强度.同一种纯腈自捻纱线在不同夹持隔距下的Weibull模量是不同的,120 mm夹持隔距测试有捻区时Weibull模量β最大,表明腈纶自捻纱线的拉伸断裂强度值的离散性最小,其拉伸断裂强度的均匀性和可靠性最高.夹持隔距110 mm时,有捻区拉伸时η值最大,表明此时腈纶自捻纱的平均断裂强度最大.
关键词(KeyWords)： 自捻纱线;断裂强度;Weibull分布;夹持隔距;预测
基金项目(Foundation):
作者(Author): 肖志永,崔红,姚兴川
参考文献(References)：
- [1]Hearl J W,Bose O N.Migration of fibers in yarns,a geometrical explanation of migration[J].Textile Research Journal,1965(35):693.
- [2]Zurek W,Frydrych I,Zakrzewski S.A method of predicting the strength and breaking strain of cotton yarn[J].Textile Research Journal,1987,57(8):439-444.
- [3]Ramesh M C,Rajamaniekam R,Jayaraman S.The prediction of yarn tensile properties by using artificial neural networks[J].Textile Institute Journal,1995,86(4):459-469.
- [4]程文红,陆凯.利用人工神经网络进行纺纱技术预报[J].上海毛麻科技,2000(1):19-21.
- [5]严广松.基于密度函数方法的纤维长度分布影响分析[D].上海:东华大学,2009.
- [6]Bogdan J F.The characterization of spinning quality[J].Textile Research Journal,1956,26(9):720-730.
- [7]Verbeck R.A statistical method of characterizing spinning quality[J].Textile Research Journal,1965,35(l):1-14.
- [8]Pan N.Development of a constitutive theory for short fiber yarns,mechanics of staple yarn without slippage effect[J].Textile Research Journal,1992(62):749-765.
- [9]Pan N.Prediction of statistical strength of twisted fiber structures[J].Journal of Materials Science,1993(28):6107-6114.
- [10]Pan N,Hua T.Relationship between fiber and yarn strength[J].Textile Research Journal,2001(71):960-964.
- [11]Weibull W A.Statistical distribution function of wide applicability[J].Journal of Applied Mechanics,1951,7(3):293-297.
- [12]Coleman B D.On the strength of classical fibers and fiber bundles[J].Journal of Mechanics and Physics on Solids,1958(7):60-72.
- [13]吴琪琳,潘鼎.碳纤维的Weibull分析理论[J].高技术纤维与应用,1999,24(12):41-44.
- [14]吴琪琳.不同拉伸条件下基于Weibull模型的粘胶基碳纤维强度分布研究[J].合成纤维工业,2002,4(2):25-28.
- [15]吴琪琳,潘鼎.国产粘胶基碳纤维强力的两种统计分布[J].材料导报,2000,14(1):55-56.
- [16]唐维杰,顾明元.碳纤维强力的计算机研究[J].宇航学报,1996,17(3):40-45.