Suitable specimen dimensions for the determination of mode II fracture toughness of bonded joints by means of the ELS test

被引：9
|
作者：
Perez-Galmes, M. [1 ]
Renart, J. [1 ]
Sarrado, C. [1 ]
Costa, J. [1 ]
机构：
[1] Univ Girona, Carrer Univ Girona, Polytech Sch, AMADE, 4 Campus Montilivi, Girona 17003, Spain
来源：
ENGINEERING FRACTURE MECHANICS | 2018年 / 202卷
关键词：
Toughness testing; Bonded joints; Mode II; ELS; INTERLAMINAR FRACTURE; ADHESIVE JOINTS; BEHAVIOR; COMPOSITE; ENF; DELAMINATION; SIMULATION; DISPLACEMENT; RESISTANCE; FAILURE;
D O I：
10.1016/j.engfracmech.2018.07.039
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
The definition of the specimen dimensions in mode II fracture tests of bonded joints, where large Fracture Process Zones (FPZ) occur, is still an issue to be solved. Several conditions shall be met in order to obtain propagation values in bonded joints testing; stability of the test, full FPZ formation, and avoidance of large deflections and adherend failure. This work presents a methodology that indicates the specimen dimensions needed to obtain propagation values in End Loaded Split (ELS) tests. In addition, suitable specimen dimensions for a wide range of thin bonded joints between CFRP adherends is presented, solving the issue of defining suitable specimen dimensions to test adhesives to ensure steady state propagation.
引用
收藏
页码：350 / 362
页数：13
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