Table 2 Composition of phases present within ZMA samples obtained using EDS

From: Influence of Mg and Al alloying additions on the corrosion mechanisms of Hot-dipped Zn-Mg-Al coatings: role of microstructure and phase distribution

Zn-1Mg-1Al

 

Zn (wt.%)

Mg (wt.%)

Al (wt.%)

Primary Zn

99.06 ± 0.12

0.28 ± 0.05

0.65 ± 0.08

Binary Eutectic

94.62 ± 1.90

3.90 ± 2.17

1.49 ± 0.28

Ternary Eutectic

93.87 ± 1.25

4.57 ± 1.57

1.57 ± 0.31

Zn-1Mg-3Al

Primary Zn

97.86 ± 0.11

0.29 ± 0.08

1.85 ± 0.10

Ternary Eutectic

88.34 ± 0.78

3.62 ± 0.38

8.04 ± 0.43

Al-rich Phase

72.58 ± 0.37

0.77 ± 0.33

26.65 ± 0.58

Zn-3Mg-1Al

Primary Zn

99.07 ± 0.09

0.40 ± 0.08

0.52 ± 0.03

Binary Eutectic

94.89 ± 0.65

3.87 ± 0.30

0.98 ± 0.07

Ternary Eutectic

91.66 ± 3.07

2.64 ± 0.75

5.71 ± 2.92

Zn-3Mg-3Al

Primary Zn

98.49 ± 0.17

0.44 ± 0.08

1.07 ± 0.11

Binary Eutectic

94.55 ± 0.11

4.25 ± 0.14

1.19 ± 0.08

Ternary Eutectic

89.29 ± 0.88

3.73 ± 0.50

6.98 ± 1.12

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