预氧化处理温度对镍铝涂层耐腐蚀性能的影响

许世鹏, 郑月红, 占发琦, 喇培清

Effect of Different Pre-oxidation Temperature on Corrosion Resistance of Ni-Al Coatings to High Temperature Chloride Molten Salt

XU Shipeng, ZHENG Yuehong, ZHAN Faqi, LA Peiqing

图12 在不同温度预氧化的镍铝涂层热腐蚀100 h后涂层表面元素含量的变化图和在不同温度生成主要金属氧化物的吉布斯自由能

Fig.12 Variation diagram of elemental content on the surface after hot corrosion for 100 h of Ni-Al coating pre-oxidated at different temperatures (a) and the standard formation free energy of main metal oxides formed as a function of temperature (b)