The Effect of Mg Content on the Microstructure, Wear Resistance, and Corrosion Resistance of Powder Zinc Infiltration Layer
GU Jian1,*, LIU Jinghua2, WANG Xiulong2, LIU Shengchun1, SI Jiajun1, WANG Xinxin3
1 China Electric Power Research Institute, Beijing 102401, China 2 State Grid Corporation of China, Beijing 100031, China 3 Electric Power Research Institute of State Grid Xinjiang Electric Power Company Limited, Urumqi 830000, China
Abstract: Aiming at the problems of poor wear and corrosion resistance of transmission line fittings as well as high manufacturing pollution, thiswork proposed to prepare Zn-Mg alloy zinc infiltration layers with different Mg contents by using mechanical energy assisted infiltration method. The surface characteristic of this layer was observed by scanning electron microscope (SEM), the wear resistance of this layer layer was tested by wear tester at both room and low temperatures, and the corrosion resistance of this layer was tested by an electrochemical workstation. The results showed that with the increase of Mg content, the surface flatness of the zinc infiltration layer increased first and then decreased, and when the Mg content was 4%(mass fraction), the zinc-infiltrated surface was the smoothest. After the addition of Mg, the permeability layer of Zn-Mg alloy is mainly composed of FeZn10.98 phase, FeZn6.67 phase, MgZn2 phase and Mg2Zn11 phase. The Zn-Mg alloy zinc infiltration layer has the best room-temperature abrasion-resistant performance when the Mg content is 4%, and it has the best low-temperature abrasion-resistant performance and corrosion-resistant performance when the Mg content is 6%.
顾建, 刘敬华, 王秀龙, 刘胜春, 司佳钧, 王欣欣. Mg含量对粉末渗锌层组织、耐磨性和耐蚀性的影响[J]. 材料导报, 2025, 39(12): 24040189-7.
GU Jian, LIU Jinghua, WANG Xiulong, LIU Shengchun, SI Jiajun, WANG Xinxin. The Effect of Mg Content on the Microstructure, Wear Resistance, and Corrosion Resistance of Powder Zinc Infiltration Layer. Materials Reports, 2025, 39(12): 24040189-7.
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2025, Vol. 39 
