Microstructure and Properties of Cold Sprayed NiCrAl Coating on AZ91D Magnesium Alloy
Source abstract
Abstract
Herein, a NiCrAl coating was prepared on the AZ91D magnesium alloy by cold spraying technology. The microstructure, wear resistance, and corrosion resistance of the cold sprayed NiCrAl coating were studied and compared with two NiCrAl coatings prepared by plasma spraying. The results showed that the porosity of the two-plasma sprayed NiCrAl coatings was 3.21% and 2.66%, respectively, while that of the cold sprayed NiCrAl coating was only 0.68%. The hardness of the cold sprayed NiCrAl coating (650 HV0.1) was higher than those of the two-plasma sprayed NiCrAl coatings (300 HV0.1, 400 HV0.1). In the abrasion resistance test, the cold sprayed NiCrAl coating showed a lower friction coefficient (0.346), less wear volume (3.026 mm3), and superior wear resistance accordingly compared with the two-plasma sprayed NiCrAl coatings. Moreover, the scanning electron microscopy (SEM) morphology at the bottom of the wear trace of the cold sprayed NiCrAl coating showed a compact mechanically mixed layers (MML) structure, and its wear mechanism was mainly abrasive wear, with some fatigue wear. In the electrochemical test, the corrosion current density of the cold sprayed NiCrAl coating (4.404 × 10−2 A·cm−2) was much lower than those of two plasma sprayed coatings (25.96 A·cm−2, 26.98 A·cm−2), indicating that the cold sprayed NiCrAl coating had superior corrosion resistance. Therefore, preparing a cold sprayed NiCrAl coating is a feasible method to comprehensively improve the wear resistance and corrosion resistance of the AZ91D magnesium alloy.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Magnesium Alloys: Properties and Applications · Aluminum Alloys Composites Properties · Corrosion Behavior and Inhibition
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, China
References (43)
Show source-provided references
1. Surface design of biodegradable magnesium alloys—A review10.1016/j.surfcoat.2012.10.009 ↗
2. Corrosion and passivation of magnesium alloys10.1016/j.corsci.2016.05.041 ↗
3. Fundamentals and advances in magnesium alloy corrosion10.1016/j.pmatsci.2017.04.011 ↗
4. Research and development status of laser cladding on magnesium alloys: A review10.1016/j.optlaseng.2017.02.007 ↗
5. Effects of the β1’ precipitates on mechanical and damping properties of ZK60 magnesium alloy10.1016/j.msea.2020.140730 ↗
6. Effect of heat treatment on corrosion behavior of AZ63 magnesium alloy in 3.5 wt.% sodium chloride solution10.1016/j.corsci.2016.05.019 ↗
7. Corrosion Resistance of AZ91D Magnesium alloy modified by rare earths-laser surface treatment10.1016/S1002-0721(07)60469-4 ↗
8. Improving mechanical properties and corrosion resistance of Mg6ZnMn magnesium alloy by rapid solidification10.1016/j.matlet.2012.10.051 ↗
9. Protective coatings on magnesium and its alloys—A critical review10.1016/S0925-8388(01)01899-0 ↗
10. Cerium conversion coatings for AZ91D magnesium alloy in ethanol solution and its corrosion resistance10.1016/j.corsci.2009.08.003 ↗
11. Corrosion inhibition of hydrophobic coatings fabricated by micro-arc oxidation on an extruded Mg-5Sn-1Zn alloy substrate10.1016/j.jallcom.2017.10.017 ↗
12. Improving surface characteristic and corrosion inhibition of coating on Mg alloy by trace stannous (II) chloride10.1016/j.corsci.2017.04.018 ↗
13. Corrosion protection of Mg/Al alloys by thermal sprayed aluminium coatings10.1016/j.apsusc.2009.03.022 ↗
14. Improvement on corrosion resistance and biocompability of ZK60 magnesium alloy by carboxyl ion implantation10.1016/j.corsci.2020.108729 ↗
15. Characterisation and mechanical properties of Al/SiC metal matrix composite coatings formed on ZE41 magnesium alloys by laser cladding10.1016/j.rinp.2019.102160 ↗
16. Jonda, E., Łatka, L., and Pakieła, W. (2020). Microstructure and selected properties of Cr3C2–NiCr coatings obtained by HVOF on magnesium alloy substrates. J. Mater., 13.10.3390/ma13122775 ↗
17. Research status and prospects of melt refining and purification technology of magnesium alloys10.1016/j.jma.2019.07.002 ↗
18. Gan, W., Liu, C., and Lu, F. (2020). Study on surface modification and properties of the AZ91D magnesium alloy used for automobile engine. J. Mater. Res. Technol.10.1016/j.jmrt.2020.03.084 ↗
19. Particle flattening during cold spray: Mechanistic regimes revealed by single particle impact tests10.1016/j.surfcoat.2020.126386 ↗
20. Factors governing static properties and fatigue, fatigue crack growth, and fracture mechanisms in cold spray alloys and coatings/repairs: A review
21. Comparison of tribological behavior of Fe-based metallic glass coatings fabricated by cold spraying and high velocity air fuel spraying10.1016/j.jnoncrysol.2019.119582 ↗
22. Preparation of Cold Spraying-based NiAl /ZrC Bond Course of Thermal Barrier Coating
23. (2014). ASTM E2109-01 Standard Test Methods for Determining Area Percentage Porosity in Thermal Sprayed Coatings, ASTM International.
24. Study on the correlation between the running-in attractor and the wear particle group10.1108/ILT-07-2019-0267 ↗
25. The influence of surface pre-twinning on the friction and wear performance of an AZ31B Mg alloy10.1016/j.apsusc.2019.03.070 ↗
26. Dry sliding wear behavior of globular AZ91 magnesium alloy and AZ91/SiCp composites10.1016/j.wear.2017.06.010 ↗
27. Wear behaviors and wear mechanisms of wrought magnesium alloy AZ31 fabricated by extrusion-shear10.1016/j.engfailanal.2016.11.014 ↗
28. Effect of WC morphology on dry sliding wear behavior of cold-sprayed Ni-WC composite coatings10.1016/j.surfcoat.2018.10.082 ↗
29. Influence of particulate morphology on microstructure and tribological properties of cold sprayed A380/Al2O3 composite coatings10.1016/j.jmst.2020.01.028 ↗
30. Cold spray deposition of a Ni-WC composite coating and its dry sliding wear behavior10.1016/j.surfcoat.2016.09.089 ↗
31. Elastic moduli and elastic anisotropy of cold sprayed metallic coatings10.1016/j.surfcoat.2016.02.057 ↗
32. A new approach to prepare fully dense Cu with high conductivities and anti-corrosion performance by cold spray10.1016/j.jallcom.2017.11.053 ↗
33. Quantifying dislocation density in Al-Cu coatings produced by cold spray deposition10.1016/j.actamat.2020.04.040 ↗
34. Atomic simulation of crystal orientation effect on coating surface generation mechanisms in cold spray10.1016/j.commatsci.2020.109859 ↗
35. Prediction of heterogeneous microstructural evolution in cold sprayed copper coatings using local Zener-Hollomon parameter and strain10.1016/j.actamat.2020.04.041 ↗
36. On the heat-treatment induced evolution of residual stress and remarkable enhancement of adhesion strength of cold sprayed Ti-6Al-4V coatings10.1016/j.rinma.2020.100119 ↗
37. AC impedance spectroscopy study of the corrosion behavior of an AZ91 magnesium alloy in 0.1M sodium sulfate solution10.1016/j.electacta.2006.10.007 ↗
38. Research Progress on Interface Bonding Formation Mechanism of Solid Particle Deposition in Cold Spray
39. Deposition of fully dense Al-based coatings via in-situ micro-forging assisted cold spray for excellent corrosion protection of AZ31B magnesium alloy10.1016/j.jallcom.2019.07.279 ↗
40. Effect of microstructures on corrosion behavior of nickel coatings: (II) Competitive effect of grain size and twins density on corrosion behavior10.1016/j.jmst.2015.11.013 ↗
41. Another approach in analysis of paint coatings with EIS measurement: Phase angle at high frequencies10.1016/j.corsci.2006.03.012 ↗
42. Improvement of the erosion-corrosion resistance of magnesium by electroless Ni-P/Ni(OH)2-ceramic nanoparticle composite coatings10.1016/j.surfcoat.2016.04.063 ↗
43. The Research Progress on Preparation of Metal Coatings by ColdSpraying and Its Application in Additive Manufacturing