The Effect of CFRP Surface Treatment on the Splat Morphology and Coating Adhesion Strength
The Effect of CFRP Surface Treatment on the Splat Morphology and Coating Adhesion Strength
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DOI：
10.1007/s11666-013-0003-z
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发表时间：
2014-01-01
影响因子：
3.1
通讯作者：
Fukumoto, Masahiro
中科院分区：
文献类型：
--
作者：
Ganesan, Amirthan;Yamada, Motohiro;Fukumoto, Masahiro
碳纤维增强聚合物（CFRP）复合材料的金属化扩大了其在飞机、汽车和风电行业的应用。近年来，利用热喷涂技术，特别是固态沉积技术冷喷涂对CFRP表面进行金属化是一个研究课题。然而，由于喷涂颗粒的高冲击能量，直接冷喷涂沉积在 CFRP 基材上通常会对表面造成严重侵蚀。这就迫切需要在 CFRP 表面设置中间层。在本研究中，评估了表面处理对层间粘合强度的影响。 CFRP 样品首先经过机械、化学和热处理处理，然后通过大气等离子喷涂系统形成中间层。涂层的质量很大程度上取决于 splat 分类法；因此，目前的工作还致力于使用碎片收集实验来研究碎片形成行为，其中熔融的铜颗粒撞击经过处理的 CFRP 基材。这些结果与涂层粘合强度相关。涂层附着力通过拉拔试验测定。结果表明，表面处理，特别是化学处理，在提高粘合强度方面相当成功。
Metallization of Carbon Fiber-Reinforced Polymer (CFRP) composites aggrandized their application to aircraft, automobile, and wind power industries. Recently, the metallization of CFRP surface using thermal spray technique, especially the cold spray, a solid state deposition technique, is a topic of research. However, a direct cold spray deposition on the CFRP substrate often imposes severe erosion on the surface owing to the high-impact energy of the sprayed particles. This urges the requirement of an interlayer on the CFRP surface. In the present study, the effect of surface treatment on the interlayer adhesion strength is evaluated. The CFRP samples were initially treated mechanically, chemically, and thermally and then an interlayer was developed by atmospheric plasma spray system. The quality of the coating is highly dependent on the splat taxonomy; therefore the present work also devoted to study the splat formation behavior using the splat-collection experiments, where the molten Cu particles impinged on the treated CFRP substrates. These results were correlated with the coating adhesion strength. The coating adhesion strength was measured by pull-out test. The results showed that the surface treatment, particularly the chemical treatment, was fairly successful in improving the adhesion strength.