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Interlayer bonding between thermoplastic composites and metals by in-situ polymerization technique

机译:基于原位聚合技术的热塑性复合材料与金属的层间键合

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摘要

Fiber-metal laminates (FMLs) offer the superior characteristics of polymer composites (i.e., light weight, high strength and stiffness) with the ductility and fracture strength of metals. The bond strength between the two dissimilar materials, composite and metal, dictates the properties and performance of the FMLs. The bonding becomes more critical when the polymer matrix is thermoplastic and hydrophobic in nature. This work employed a novel bonding technique between thermoplastic composites and a metal layer using six different combinations of organic coatings. The flexural, and interlaminar shear strength of the thermoplastic fiber metal laminates (TP-FMLs) were examined to investigate the bond strengths in the different cases along with fracture characteristics revealed from the tested samples using scanning electron microscopy. The viscoelastic performance of the fabricated TP-FMLs were also investigated using the dynamic mechanical thermal analysis method.
机译:纤维金属层压板 (FML) 具有聚合物复合材料的优越特性(即重量轻、强度高、刚度高),以及金属的延展性和断裂强度。复合材料和金属这两种不同材料之间的粘合强度决定了FML的性能和性能。当聚合物基体本质上是热塑性和疏水性的时,粘接变得更加重要。这项工作采用了一种新颖的热塑性复合材料和金属层之间的粘合技术,使用六种不同的有机涂层组合。通过扫描电子显微镜检查热塑性纤维金属层合板(TP-FMLs)的弯曲强度和层间剪切强度,以研究不同情况下的粘结强度以及从测试样品中揭示的断裂特性。采用动态力学热分析方法研究了TP-FMLs的粘弹性能。

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