纺织学报 ›› 2006, Vol. 27 ›› Issue (3): 1-3.

• 研究论文 •    下一篇

纤维束本构方程的研究

王春敏   

  1. 天津工业大学 天津300160
  • 收稿日期:2005-03-16 修回日期:2005-08-29 出版日期:2006-03-15 发布日期:2006-03-15

Study on the constitutive equation of fiber bundle

WANG Chun-min   

  1. Tianjin Polytechnic University;Tianjin 300160;China
  • Received:2005-03-16 Revised:2005-08-29 Online:2006-03-15 Published:2006-03-15

摘要: 应用弹性力学方法,根据各向异性弹性理论,导出非加捻纤维束线性和非线性本构方程。通过对纤维束的纵向拉伸和羊毛纤维束的横向压缩实验,绘出了其拉伸性能曲线和压缩性能曲线。分析了加捻纤维束的变形几何关系,利用能量法揭示了加捻对纤维束性能参数的影响。指出了纤维束本构方程的研究对预测纺织复合材料力学性能的重要作用。

Abstract: Based on anisotropic elastic theory,the linear and nonlinear constitutive equations of twistless fiber bundles were worked out by utilizing elastic mechanics.The curve of elongation properties of the fiber bundles was plotted according to the experiments of longitudinal extension and transverse compression of the bundles.The geometric relevance to deformation of the twisted fiber bundle was analyzed and the influence of twisting on performance parameters of the bundle was revealed by energy method.The importance of research of constitutive equation in projecting the mechanical behavior of textile composites materials was expounded.

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