采用离心自蔓延技术在紫铜管内壁制备了耐腐蚀耐磨涂层。通过SEM、硬度测试、电化学测试等手段对陶瓷内衬功能梯度涂层的形貌进行分析，研究了陶瓷涂层的硬度、耐磨性、耐腐蚀等性能。结果表明：梯度功能涂层由陶瓷内衬层-金属过渡层-铜基体层 3 层组成，层与层之间整齐均匀，结合致密；涂层硬度显著提高，并且具有良好的抗干湿交替盐雾腐蚀能力；陶瓷内衬层较铜基体耐磨性提高了1倍。
A corrosion-resistant and wear-resistant coating is prepared on the inner wall of red copper pipe by centrifugal self propagating melting technology. The morphology of functionally gradient coating on ceramic lining is analyzed by means of SEM, hardness test and electrochemical test, and the hardness, wear resistance and corrosion resistance of the ceramic coating are studied. The results show that the functionally gradient coating is composed of a ceramic lining layer, a metal transition layer and a copper matrix layer. The hardness of the coating is significantly improved and has good resistance to dry wet alternating salt spray corrosion. The wear resistance of the ceramic lining is twice that of the copper matrix.
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