纤维与增强英文2025被引 4
激光刻蚀钛合金表面构建微/纳米芳纶浆-环氧涂层用于增强与碳纤维增强复合材料的粘接强度
Constructing Micro-/Nano-Aramid Pulp (MAP)–Epoxy Coatings on Laser-Engraved Titanium Alloy Surfaces for Stronger Adhesive Bonding with Carbon Fiber-Reinforced Polymer Panel
Haibo Zhu, Fei Cheng, Shihao Zuo, Jinheng Zhang, Wenyi Huang, Tongxiang Fan, Xiaozhi Hu · Southwest University of Science and Technology
摘要整理
采用形状可控激光刻蚀处理(LET)和芳纶浆(AP)增强树脂预涂层(RPC)在钛合金表面构建微/纳米芳纶浆-环氧(MAPE)涂层,以增强与碳纤维增强复合材料(CFRP)的粘接强度。在钛合金表面刻蚀规则六边形阵列凹坑,利用阵列凹坑之间的竖直间隙放置AP增强环氧树脂,实现更强的机械互锁。采用激光刻蚀(凹坑边长0.3 mm)和AP增强RPC处理的试样获得最大粘接强度27.1 MPa,相比基体强度提高67.4%。钛-CFRP复合材料的失效模式从钛/环氧界面脱粘失效转变为层状CFRP板的纤维破坏失效。形状可控的激光刻蚀处理和简便的AP增强树脂预涂层被证实为钛合金表面处理的最可行、最有效的联合方法,用于制造强度更高的钛-CFRP复合材料。该方法在其他金属-基体粘接复合材料系统中具有应用潜力。
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