研究了喷砂工艺和热喷涂铝过渡层对聚全氟乙丙烯(fluoroethylenepropylene,FEP)涂层与钢基体结合强度的影响.结果表明,喷砂处理后,涂层和基体结合强度随基体表面粗糙度增加先增后降.采用热喷涂工艺在钢基体上制备了铝过渡层,用扫描电镜和表面粗糙度测量仪研究了喷砂以及铝过渡层的表面形貌和表面粗糙度,用拉开法测定了FEP涂层和钢基体的结合强度.铝过渡层具有粗糙多孔的表面结构,在一定程度上增进了 FEP涂层与基体的结合强度.
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