航空学报 > 1990, Vol. 11 Issue (5): 267-270

复合材料层合板多向层间的Ⅱ型分层断裂韧性研究

肖军, 李顺林   

  1. 南京航空学院
  • 收稿日期:1989-02-27 修回日期:1900-01-01 出版日期:1990-05-25 发布日期:1990-05-25

ON MODE-Ⅰ DELAMINATION FRACTURE TOUGHNESS OF MULTI- DIRECTIONAL INTERFACE IN COMPOSITE LAMINATES

Xiao Jun, Li Shunlin   

  1. Nanjing Aeronautical Institute
  • Received:1989-02-27 Revised:1900-01-01 Online:1990-05-25 Published:1990-05-25

摘要: <正> 1.引言 近年来,用断裂力学方法研究复合材料的分层破坏成为复合材料力学的一个热点。自1985年Russell提出用端部开口弯曲(简称为ENF)试样测量单向层间的Ⅱ型分层断裂韧性的方法以来,关于单向层间的Ⅱ型分层断裂问题已经得到较为充分的

关键词: 复合材料层合板, 分层, 断裂韧性

Abstract: A method to measure mode- I delamination fracture toughness of multi-directional interface in composite laminates is put forward by using of an end notched laminate beam. The fracture toughness of interface (0/θ) in aramid/epoxy composite laminate is also measured.

Key words: composite laminates, delamination, fracture toughness