大气腐蚀在线监测技术研究现状与展望

Current Situation and Prospect of On-line Monitoring Technology for Atmospheric Corrosion Testing of Metallic Materials

综述了大气环境下金属腐蚀和涂层腐蚀在线监测技术。对于金属大气腐蚀,介绍了电阻探针法、电偶腐蚀电池、电化学阻抗谱、电化学噪声法、表面超声波技术、石英晶体微天平技术和射频识别技术等多种在线监测方法的原理及其研究现状;对于大气环境涂层腐蚀,从电化学方法、非电化学方法、不同监测方法相结合等三方面进行了阐述。总结了当前大气腐蚀在线监测亟待解决的问题,并从“互联网+”智慧防腐方向出发,结合腐蚀大数据的发展,对大气腐蚀在线监测技术未来方向进行了展望。

The on-line monitoring technology for atmospheric corrosion testing of metallic materials and coatings is reviewed.The relevant principle and research status of many on-line monitoring methods,such as resistance probe method,galvanic corrosion cell,electrochemical impedance spectroscopy,electrochemical noise method,surface ultrasonic technology,quartz crystal microbalance technology and radio frequency identification technology are introduced.Meanwhile,the electrochemical method,non-electrochemical method and the combination of different methods are described.Finally,the existed problems to be solved,which related with the current online monitoring of atmospheric corrosion,are summarized,and the future research directions of online monitoring technology of atmospheric corrosion are also prospected in terms of the so called"Internet plus"intelligent anticorrosion rout and the development of corrosion big data.