Analysis of crack kinking in foam core sandwich beams

被引：17
|
作者：
Yokozeki, Tomohiro [1 ]
机构：
[1] Univ Tokyo, Dept Aeronaut & Astronaut, Bunkyo Ku, Tokyo 1138656, Japan
来源：
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING | 2011年 / 42卷 / 10期
关键词：
Layered structures; Debonding; Residual/internal stress; Analytical modeling; FRACTURE; DELAMINATION; MECHANICS; SPECIMEN;
D O I：
10.1016/j.compositesa.2011.06.017
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The crack kink angle and the steady state crack location of the core crack in sandwich beams are predicted by using the analytical formulation of energy release rates associated with core cracking in a double cantilever sandwich beam. The predicted analytical results are compared with experimental results available in the literature. It is demonstrated that the present analysis is in good agreement with overall crack kinking behavior in foam core sandwich beams. Finally, the effect of residual thermal stresses in sandwich beams on crack kinking is discussed using the present analytical method. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1493 / 1499
页数：7
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