热浸镀Galfan表面镧盐转化膜的生长和耐腐蚀性能的研究

吴晓晓, 孔纲, 孙子文, 车淳山

Preparation and Corrosion Performance of Lanthanum Nitrate Conversion Coating on Hot-dip Galfan Steel

WU Xiaoxiao, KONG Gang, SUN Ziwen, CHE Chunshan

表1 图1中各微区的EDS分析结果

Table 1 EDS analysis results for the different micro squares in Fig.1 (%, atomic fraction)

Analytical area Treatment time Zn Al O La 1 10 s 88.12 11.88 - - 2 1 min 72.01 13.82 13.71 0.46 3 1 min 49.58 12.05 36.22 2.15 4 10 min 49.52 7.71 39.34 3.43 5 10 min 16.04 2.54 68.91 12.50 6 30 min 34.07 1.57 54.07 10.29 7 60 min 8.96 1.07 72.92 17.05 8 60 min 89.05 10.95 - -