Research Article
Sealing of PEO Coated AZ91 Magnesium Alloy Using La-Based Solutions
Table 4
Quantitative results (at %) of EDS analysis of the cross-sectioned and surface layers.
| | | O% | Na% | Mg% | Al% | Si% | P% | La% | Zn% |
| | 1 | — | — | 91.65 | 8.06 | — | — | — | 0.29 | | 2 | 44.94 | 8.50 | 20.83 | 2.53 | 12 | 11.13 | 0.007 | — | | 3 | 64.21 | 5.61 | 7.9 | 1.24 | 7.91 | 3.4 | 9.73 | — | | 4 | 61.88 | 5.12 | 14.9 | 1.19 | 9.71 | 5.96 | 1.24 | — | | 5 | 67.97 | 2.8 | 4.33 | 0.3 | 8.14 | 2.1 | 14.36 | — |
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