用化学镀技术在碳钢表面制备Ni-P及Ni-P-PTFE纳米非晶镀层,探索镀层制备关键技术与工艺;通过扫描电镜(SEM)、X射线能谱仪(EDS)、X射线衍射技术(XRD)进行镀层微观结构、化学组成、相组成的分析与表征;用电化学参数测试及腐蚀增重评价镀层试样防腐性能.结果表明:在碳钢表面成功制备了具有非晶特点的Ni-P及Ni-P-PTFE镀层,Ni-P镀层表面致密平整,Ni-P-PTFE镀层具有表面孔洞的形貌特征;电化学测试及腐蚀增重分析表明,Ni-P镀层防腐性能良好,Ni-P-PTFE镀层则由于复合界面的存在而防腐性能稍逊,但二者均可实现对基材碳钢明显的防腐保护作用.
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