腐蚀产物对锌合金镀层切边腐蚀行为的影响
李永坤, 周佳顺, 王友彬, 高锋, 王欣鹏, 汤宏群

Influence of Corrosion Products on Corrosion Behavior of Cut Edges of Galvanized Coatings/Q235 Carbon Steel
LI Yongkun, ZHOU Jiashun, WANG Youbin, GAO Feng, WANG Xinpeng, TANG Hongqun
表2 图2中标记位置的EDS元素分析结果
Table 2 EDS elemental analysis results for the marked spots in Fig.2   (atomic fraction / %)
SampleSpotZnAlMgFePhase
Zn coating198.63--1.37η-Zn
298.51--1.49η-Zn
Zn-Mg coating197.34-0.821.84`η-Zn
267.11-30.442.45MgZn2
367.86-31.352.79MgZn2
Zn-Al coating192.854.89-2.26η-Zn
290.446.72-2.84η-Zn
337.4560.02-2.53β-Al
Zn-Al-Mg coating194.623.84-1.54η-Zn
292.395.18-2.43η-Zn
365.37-31.13.53MgZn2

4

77.12

12.39

7.27

3.22

η-Zn/α-Al/MgZn2 ternary eutectic