双组分纤维束拉伸曲线特征指标及应用研究

New Characteristic Indexes of Stretching Curve of Bicomponent Fiber Bundle and Its Application Research

针对纤维束拉伸曲线的峰后区间特征 ,首次提出了描述其特征的 9个新指标 ,即后断裂伸长、后断裂伸长率、相对后断裂伸长率、后断裂功、断裂总功、后断裂功系数、后区 1 2负荷伸长率、后区 1 2伸长负荷率、后断裂效率。

According to the post peak interval characteristics of fiber bundle stretching curve, the new 9 indexes to describe the characteristic are first put forward, i.e. post breaking elongation, post breaking elongation percentage, relative post breaking elongation percentage, post breaking work, post breaking work coefficient, 1/2 post interval load, 1/2 post interval elongation load percentage and post breaking efficiency. And a tentative experiment study is given to the stretching characteristics of bicomponent fiber bundle.