纺织学报 ›› 2008, Vol. 29 ›› Issue (6): 56-59.

• 纺织工程 • 上一篇    下一篇

汽车顶棚材料的各向异性研究

杜兆芳;张健;喻华   

  1. 安徽农业大学轻纺工程与艺术学院 安徽合肥230036;安徽出入境检验检疫局 安徽合肥230061
  • 收稿日期:2007-06-07 修回日期:2007-10-29 出版日期:2008-06-15 发布日期:2008-06-15

Study on anisotropy of inside decorative material of the ceiling of cars

DU Zhaofang;ZHANG Jian;YU Hua   

  1. 1.College of Light-Textile Engineering and Art;Anhui Agricultural University;Hefei;Anhui 230036;China; 2.Anhui Entry-Exit Inspection and Quarantine Bureau;Hefei;Anhui 230061;China
  • Received:2007-06-07 Revised:2007-10-29 Online:2008-06-15 Published:2008-06-15

摘要: 以涤纶针刺非织造布汽车顶棚内饰材料为研究对象,着重分析不同方向上的断裂强力、断裂伸长、断裂后试样宽度、折皱回复角、松弛(强力减小率)和疲劳(断裂强力减小率)等指标的变化规律和形成原因,发现非织造布汽车顶棚内饰材料存在较明显的各向异性。面密度及加工工艺对产品各向异性影响较大。断裂强力随着取样角度的增大而减小,当减小到与纵向呈45°时,变化趋势减缓。断裂伸长、疲劳和松弛性能随取样角度的增大而增大。拉伸断裂后试样的宽度、折皱回复角随着取样角度的增大而减小。

Abstract: inside decorative material of the ceiling of car;needle-punched nonwoven fabric;index of performance;anisotropy

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