复合材料科学与工程 ›› 2014, Vol. 0 ›› Issue (5): 46-50.

• 应用研究 • 上一篇    下一篇

碳纤维支杆与金属接头两种连接方式的拉伸试验

杨利伟1, 李志来1, 董得义1, 辛宏伟1   

  1. 1.中国科学院长春光学精密机械与物理研究所,吉林长春130033;
    2.空军航空大学,吉林长春130022
  • 收稿日期:2013-12-05 出版日期:2014-05-28 发布日期:2021-09-14
  • 作者简介:杨利伟(1980-),男,硕士,助理研究员,主要从事空间光学遥感器光机结构设计方面的研究。本文作者还有杨会生1和刘小光2

TENSILE TEST FOR TWO KINDS OF JOINTS BETWEEN CARBON FABRIC ROD AND METAL END

YANG Li-wei1, LI Zhi-lai1, DONG De-yi1, XIN Hong-wei1   

  1. 1. Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences,Changchun 130033, China;
    2. Aviation University of Air Force, Changchun 130022, China
  • Received:2013-12-05 Online:2014-05-28 Published:2021-09-14

摘要: 碳纤维支杆与金属接头的连接方式通常有两种:胶接和胶-销连接。为了比较二者连接强度的大小,根据当前需求,设计并制作了拉伸试样,然后利用试验机对试样进行了拉伸试验。试验结果表明,胶接方式所能承受的最大拉伸载荷为42.25kN,连接强度为5.83MPa;胶-销连接方式所能承受的最大拉伸载荷为42.10kN,连接强度为5.81MPa。与胶接相比,胶-销连接对支杆和接头的连接强度没有较明显的提升,反而略有下降。

关键词: 碳纤维支杆, 金属接头, 胶接, 胶-销连接, 拉伸试验

Abstract: At present,truss structures are used in most of the space camera structure. Generally, truss structures are composed of benches, truss rods and ends. Most of truss rods are made of carbon fabric composites, and most of ends are made of metal. There are two kinds of modes of joints between carbon fabric rod and metal end: bonded joints and bonded-pinned joints. In order to compare the strength of the joint between bonded joints and bonded-pinned joints,two kinds of tensile samples are designed and manufactured based on current requirements. Then, tensile test was done. The results show that: the maximum tensile load that bonded joints can bear was 42.25kN, joints strength was 5.83MPa; the maximum tensile load that bonded-pinned joints can bear was 42.10kN, joints strength was 5.81MPa. Compared to bonded joints, bonded-pinned joints did not distinctly increase joints strength, but the strength was reduced merely. Test results lay the foundation for subsequent research.

Key words: carbon fabric rod, metal end, bonded joints, bonded-pinned joints, tensile test

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