期刊
INTERNATIONAL JOURNAL OF FATIGUE
卷 50, 期 -, 页码 57-62出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ijfatigue.2012.02.021
关键词
Fiber reinforced polymer matrix composites; Delamination resistance; Fatigue crack growth; Mode II loading; Fatigue test development
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.
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