期刊
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
卷 39, 期 2, 页码 154-163出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesa.2007.11.009
关键词
glass fibers; hybrid; joints/joining; co-cure
The present study proposes a bolted/co-cured hybrid joining method, and experimentally investigates the joint strength. The bolted/co-cured hybrid joints combine co-cured adhesive joints and bolted joints without damaging reinforcing fibers. The method allows for low scatter strength in static and fatigue loading for easily manufactured co-cured joints. Testing of the static tensile lap-shear and fatigue strengths is performed using aluminum alloy A5052-F and knit fabric glass epoxy composites. The results show that the hybrid joints have 1.84 times higher maximum shear strength and a quarter of the standard deviation compared with conventional co-cured joints. Furthermore, less stress concentration and undamaged glass fibers in the hybrid joints contribute to a much higher fatigue strength than that of the bolted joint. (c) 2007 Elsevier Ltd. All rights reserved.
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