工艺与制造英文2023被引 7
激光和等离子体表面处理对PPS/CF热塑性复合材料层板底漆涂层粘接性能的影响
Influences of laser and plasma surface treatments on the primer paint adhesion for PPS/CF thermoplastic composite laminates
Merve Atlioglu, Cevdet Kaynak · Department of Materials and Metallurgical Engineering, Middle East Technical University, Ankara, Turkey
摘要整理
本研究针对聚苯硫醚/碳纤维（PPS/CF）热塑性复合材料层板，评估了激光和等离子体表面处理对底漆涂层粘接性能的影响，并与未处理样品和传统喷砂处理样品进行了对比。首先通过接触角、扫描电镜（SEM）、表面粗糙度、X射线光电子能谱（XPS）和傅里叶变换红外光谱（FTIR）等方法对未处理和处理后样品进行了表面表征；随后采用两种工业标准方法评估了工业底漆在PPS/CF表面上的粘接特性：十字切割粘接测试和三点弯曲粘接测试。研究结果表明，与未处理样品相比，所有表面处理样品均获得最优底漆粘接等级GT0。处理后样品的最大分离载荷至少提高了两倍，且表现出底漆层的内聚性破坏机制。喷砂处理样品的成功归因于有效的机械互锁机制；激光处理样品的粘接性能部分源于机械互锁，部分源于化学相互作用；而等离子体处理样品的粘接性能主要由化学键合机制主导。研究结果为PPS/CF复合材料的表面预处理和涂装工艺提供了重要参考。
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