首页> 外文期刊>International Journal of Adhesion & Adhesives >Strength properties of aluminium/glass-fiber-reinforced laminate with additional epoxy adhesive film interlayer
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Strength properties of aluminium/glass-fiber-reinforced laminate with additional epoxy adhesive film interlayer

机译:铝/玻璃纤维增强层压体的强度性能与额外的环氧粘合膜中间夹层

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This paper studies the strength analysis of two types of fibre-metal laminates (FMLs), with a different way of preparing the adhesive coupling between 2024-T3 aluminium alloy sheets and a polymer/fibre layer. In the first variant, the 3 M structural adhesive film AF 163-2 K is used as an intermediate layer between prepreg and adherends. The adhesive layer is co-cured with prepreg and adherends. In the second FML variant, coupling between adherends was produced using epoxy resin. Two types of strength test,- i.e., tensile/shear test and 90 peel test were used to measure the adhesion between the layers of FML composite. To measure the joint strength the tensile test was used. The fracture mode and the fracture surfaces were examined and discussed using a scanning electron microscope. The application of the adhesive film as an additional binding agent caused an increase in laminate elasticity. In this way, the strength and fatigue life of the joint increased. The main advantage of adhesive film application was a significant increase in the peel strength of laminate, which reached 289.4%. As a result of this, bonded laminates are very susceptible to normal stresses. However, the application of the additional adhesive film in the analysed 2/1 laminate lay-up increased the mass of the laminate by about 10%. Furthermore, a significant increase in the FML peel strength was achieved, with the increased cost of the additional adhesive film at about 20%.
机译:本文研究了两种类型的纤维金属层压板(FML)的强度分析,其具有不同方式制备2024-T3铝合金板和聚合物/纤维层之间的粘合耦合。在第一变型中,3M结构粘合膜AF 163-2K用作预浸料和粘附之间的中间层。粘合剂层与预浸料和粘附共同固化。在第二个FML变体中,使用环氧树脂制造粘物之间的耦合。两种类型的强度试验, - 即拉伸/剪切试验和90剥离试验用于测量FML复合材料层之间的粘附性。为了测量关节强度,使用拉伸试验。使用扫描电子显微镜检查和讨论裂缝模式和裂缝表面。粘合膜作为附加结合剂的施加引起了层压弹性的增加。以这种方式,关节的强度和疲劳寿命增加。粘合剂薄膜施用的主要优点是层压板的剥离强度的显着增加,其达到289.4%。结果,粘合层压材料非常易受正常应力的影响。然而,在分析的2/1层压体叠层中施加额外的粘合膜的施加量将层压材料的质量增加约10%。此外,实现了FML剥离强度的显着增加,其额外的粘合膜的成本增加约20%。

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