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Characterization of Electroless Ni–P Coating Prepared on a Wrought ZE10 Magnesium Alloy
- Source :
- Coatings, MDPI. 2018, vol. 3, issue 8, p. 1-14., Coatings; Volume 8; Issue 3; Pages: 96, Coatings, Vol 8, Iss 3, p 96 (2018)
- Publication Year :
- 2018
- Publisher :
- MDPI, 2018.
-
Abstract
- Electroless low-phosphorus Ni–P coating was deposited on a wrought ZE10 magnesium alloy including an advanced pre-treatment of the material surface before deposition. Uniform Ni–P coating with an average thickness of 10 µm was formed by 95.6 wt % Ni and 4.4 wt % P. The content of Ni and P was homogeneous in the entire cross-section of the coating. Applying the Ni–P coating to the magnesium substrate, the surface microhardness increased from 60 ± 4 HV 0.025 to 690 ± 30 HV 0.025. Using the scratch test, it was determined that deposited Ni–P coating exhibits a high degree of adhesion to the magnesium substrate. Electrochemical corrosion properties of Ni–P coating were analyzed using the polarization tests in 0.1 M NaCl, while the deposited Ni–P coating showed an improvement of the corrosion resistance when compared to the ZE10 magnesium alloy. Using the scanning electron microscopy analysis, it was determined that the fine morphology of the deposited Ni–P coating did not contain visible microcavities. The absence of macrodefects due to the adequate pre-treatment before coating was reflected on the mechanism of the coated ZE10 degradation in a 0.1 M NaCl solution.
- Subjects :
- Materials science
Scanning electron microscope
chemistry.chemical_element
02 engineering and technology
Substrate (electronics)
engineering.material
01 natural sciences
Indentation hardness
Corrosion
Coating
0103 physical sciences
Materials Chemistry
Composite material
Magnesium alloy
Ni–P coating
Deposition (law)
010302 applied physics
electroless deposition
magnesium alloy
ZE10
adhesion
microhardness
EDS analysis
polarization test
Magnesium
Surfaces and Interfaces
021001 nanoscience & nanotechnology
Surfaces, Coatings and Films
chemistry
lcsh:TA1-2040
engineering
lcsh:Engineering (General). Civil engineering (General)
0210 nano-technology
Subjects
Details
- Language :
- English
- Database :
- OpenAIRE
- Journal :
- Coatings, MDPI. 2018, vol. 3, issue 8, p. 1-14., Coatings; Volume 8; Issue 3; Pages: 96, Coatings, Vol 8, Iss 3, p 96 (2018)
- Accession number :
- edsair.doi.dedup.....0c7f2d8f1edf019d783d2a97f27e1632