Mixed-mode delamination -: Experimental and numerical studies

被引：17
|
作者：
Warrior, NA [1 ]
Pickett, AK
Lourenço, NSF
机构：
[1] Univ Nottingham, Sch Mech Mat Mfg Engn & Management, Nottingham NG7 2RD, England
[2] Cranfield Univ, Sch Ind & Mfg Sci, Cranfield MK43 0AL, Beds, England
[3] Land Rover, Gaydon, England
来源：
STRAIN | 2003年 / 39卷 / 04期
关键词：
composite materials; delamination; fracture; finite element; mixed-mode;
D O I：
10.1046/j.1475-1305.2003.00088.x
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
A fracture energy approach for modelling mixed-mode delamination of composite materials and other bonded structures is introduced. The model is incorporated within an explicit finite element (FE) code and ties layered shell elements together via a stiffness condition, a failure criterion and post-failure damage law. The procedure for predictive modelling of delamination using the approach is described and the set of required input parameters is presented. A benchmark test comparing experimental results for a continuous filament random E-glass/polyester composite and explicit FE simulations for standard fracture toughness tests for a range of mode mixities is included.
引用
收藏
页码：153 / 159
页数：7
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