Mode II fatigue delamination resistance of advanced fiber-reinforced polymer-matrix laminates: Towards the development of a standardized test procedure

被引:40
作者
Brunner, A. J. [1 ]
Stelzer, S. [2 ]
Pinter, G. [2 ,3 ]
Terrasi, G. P. [1 ]
机构
[1] Swiss Fed Labs Mat Sci & Technol, Empa, Lab Mech Syst Engn, CH-8600 Dubendorf, Switzerland
[2] Univ Leoben, Inst Mat Sci & Testing Plast, A-8700 Leoben, Austria
[3] Polymer Competence Ctr Leoben, A-8700 Leoben, Austria
关键词
Fiber reinforced polymer matrix composites; Delamination resistance; Fatigue crack growth; Mode II loading; Fatigue test development; INTERLAMINAR FRACTURE-TOUGHNESS; GROWTH-RATE; COMPOSITES;
D O I
10.1016/j.ijfatigue.2012.02.021
中图分类号
TH [机械、仪表工业];
学科分类号
0802 ;
摘要
Delamination resistance testing of fiber-reinforced polymer-matrix laminates under fatigue loads is important for materials development and structural design. Mode II in-plane shear fatigue test development using three-point bending end-notched flexure (3-ENF) and two-point bending end-loaded split (ELS) set-ups is performed in a round robin. Effects of specimen restraint observed earlier in ENF tests are confirmed and preliminary data indicate differences between the two set-ups, if simple beam theory or experimental compliance analyses are applied. Possible reasons for the observed disagreement are discussed. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码:57 / 62
页数:6
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