The effect of PPY powder on the anticorrosive performance of a duplex cerium/epoxy coating
Source abstract
Abstract
Polypyrrole powder was chemically synthesized using cerium tartrate as an oxidant. The powder was loaded into an epoxy resin to create a protective coating onto AZ91D Mg alloy. The coatings consisted of an inner cerium-based film and an epoxy layer loaded with different amounts of polypyrrole (0.2–5 wt%) on top. Infrared spectroscopy and Energy Dispersive X-Ray spectroscopy analysis were used to characterize the polymer powder. The anticorrosive properties of the coatings were studied in NaCl containing solution by applying electrochemical measurements such as polarization, electrochemical impedance spectroscopy (EIS), and open circuit potential (OCP). Solution analysis was done to check the electrochemical results obtained. The corrosion resistance was remarkably improved by the addition of the polypyrrole. The best anticorrosive properties were achieved when the epoxy layer was loaded with 1 wt% of PPy. The results show a decrease in corrosion current density from 2.763 × 10-6 to 2.770 × 10-7 mA cm-2 when the polymer was loaded. In addition, the filler reduces the water absorption of the epoxy coating from 9 to 7%. The protective properties were attributed to the barrier behavior of the epoxy film, the corrosion inhibition effect of the PPy, and the self-healing effect of the cerium compounds present in the PPy powder.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Corrosion Behavior and Inhibition · Concrete Corrosion and Durability · Electrodeposition and Electroless Coatings
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (82)
Show source-provided references
1. Roles of pH in the NH4+-induced corrosion of AZ31 magnesium alloy in chloride environment
2. Magnesium alloys: ready for the road10.1038/nmat4453 ↗
3. Effect of phosphating solution pH value on the formation of phosphate conversion coatings for corrosion behaviors on AZ91D10.1007/s42114-021-00222-3 ↗
4. Magnesium technology magnesium alloys in U. S . military applications : magnesium technology
5. Ballistic analysis of new military grade magnesium alloys for armor applications
6. Magnesium matrix composites for biomedical applications: a review10.1016/j.jma.2018.11.001 ↗
7. Simultaneous improvement of electromagnetic shielding effectiveness and corrosion resistance in magnesium alloys by electropulsing
8. Iron/silicon carbide composites with tunable high-frequency magnetic and dielectric properties for potential electromagnetic wave absorption10.1007/s42114-022-00507-1 ↗
9. Nickel-coated wood-derived porous carbon (Ni/WPC) for efficient electromagnetic interference shielding10.1007/s42114-022-00420-7 ↗
10. Electromagnetic shielding and mechanical properties of AL6061 metal matrix composite at X-band for oblique incidence10.1007/s42114-021-00338-6 ↗
11. In vitro studies of biomedical magnesium alloys in a simulated physiological environment: a review10.1016/j.actbio.2010.12.004 ↗
12. Self-generating construction of applicable corrosion-resistant surface structure of magnesium alloy
13. Applying multi-pass friction stir processing to refine the microstructure and enhance the strength, ductility and corrosion resistance of WE43 magnesium alloy10.1016/j.jmrt.2021.03.021 ↗
14. Effect of calcium addition on the microstructure, mechanical properties, and corrosion behavior of AZ61-Nd alloy10.1007/s42114-023-00631-6 ↗
15. Effects of rare earth neodymium (Nd) and heat treatment on anti-corrosion behaviors of the AZ80 magnesium alloy10.1007/s42114-021-00356-4 ↗
16. Effect of hot isostatic pressing on the microstructure and properties of magnesium silicide–silicon carbide/aluminum alloy (AlSi7Cu2Mg) composites10.1007/s42114-022-00461-y ↗
17. Fabrication of magnesium-coated graphene and its effect on the microstructure of reinforced AZ91 magnesium-matrix composites10.1007/s42114-021-00336-8 ↗
18. Comparative study of conversion treated magnesium alloy in the presence of Mn/adipic acid additives before and after application of epoxy coating: anti-corrosion, surface, and adhesion properties
19. Reducing damage extent of epoxy coating on magnesium substrate by Zr-enhanced PEO coating as an effective pretreatment10.1016/j.jma.2022.05.018 ↗
20. Superhydrophobic double layered MgAl-LDH/epoxy composite coatings for enhanced anticorrosion performance of magnesium alloys10.1016/j.porgcoat.2022.107300 ↗
21. Benzyl(4-fluorophenyl)phenylphosphine oxide-modified epoxy resin with improved flame retardancy and dielectric properties10.1007/s42114-022-00491-6 ↗
22. Self-healing and polymer welding of soft and stiff epoxy thermosets via silanolates10.1007/s42114-022-00558-4 ↗
23. Synthesis and nonlinear optical properties of vanadium-doped plasticized epoxy polymer composites10.1007/s42114-021-00227-y ↗
24. Thermally conductive glass fiber reinforced epoxy composites with intrinsic self-healing capability10.1007/s42114-021-00303-3 ↗
25. A core–shell-structured APP@COFs hybrid for enhanced flame retardancy and mechanical property of epoxy resin (EP)10.1007/s42114-021-00411-0 ↗
26. Enhanced electromagnetic wave absorption of engineered epoxy nanocomposites with the assistance of polyaniline fillers10.1007/s42114-022-00417-2 ↗
27. Effects of stitch yarns on interlaminar shear behavior of three-dimensional stitched carbon fiber epoxy composites at room temperature and high temperature10.1007/s42114-022-00526-y ↗
28. Epoxy-Based nanocomposite coating reinforced by a zeolite complex: its anticorrosion properties on mild steel in 3.5 wt% NaCl media
29. The adhesion performance of epoxy coating on AA6063 treated in Ti/Zr/V based solution10.1016/j.apsusc.2016.05.083 ↗
30. The epoxy coating interfacial adhesion and corrosion protection properties enhancement through deposition of cerium oxide nanofilm modified by graphene oxide10.1016/j.jiec.2018.04.003 ↗
31. The corrosion performance and adhesion properties of the epoxy coating applied on the steel substrates treated by cerium-based conversion coatings10.1016/j.corsci.2015.02.028 ↗
32. Strengthening waterborne acrylic resin modified with trimethylolpropane triacrylate and compositing with carbon nanotubes for enhanced anticorrosion10.1007/s42114-022-00554-8 ↗
33. A high-performance waterborne polymeric composite coating with long-term anti-corrosive property based on phosphorylation of chitosan-functionalized Ti3C2Tx MXene10.1007/s42114-021-00392-0 ↗
34. Polydimethylsiloxane resin nanocomposite coating with alternating multilayer structure for corrosion protection performance
35. Corrosion inhibition performance of polypyrrole Al flake composite coatings for Al alloys10.1016/j.corsci.2012.12.019 ↗
36. Corrosion behaviour of polypyrrole-coated WE43 Mg alloy in a modified simulated body fluid solution10.1016/j.corsci.2018.01.044 ↗
37. Corrosion protection of magnesium by electroactive polypyrrole/paint coatings10.1016/S0379-6779(99)00174-5 ↗
38. Corrosion behavior of polypyrrole (PPy)coating modified by polyethylene glycol (PEG)doped ammonium bifluoride on AZ31 magnesium alloy10.1016/j.porgcoat.2019.04.054 ↗
39. Overview of MXene and conducting polymer matrix composites for electromagnetic wave absorption10.1007/s42114-022-00510-6 ↗
40. Corrosion performance of polypyrrole-coated metals: a review of perspectives and recent advances10.1016/j.synthmet.2021.116723 ↗
41. Improvement in the corrosion protection and bactericidal properties of AZ91D magnesium alloy coated with a microstructured polypyrrole film10.1016/j.jma.2017.12.005 ↗
42. Corrosion behaviour of polypyrrole-coated WE43 Mg alloy in a modified simulated body fluid solution10.1016/j.corsci.2018.01.044 ↗
43. Corrosion performance of polypyrrole-coated metals: a review of perspectives and recent advances10.1016/j.synthmet.2021.116723 ↗
44. Early history of polypyrrole : the first conducting organic polymer early history of polypyrrole : the
45. Polypyrrole and polyaniline prepared with cerium(IV) sulfate oxidant10.1016/j.synthmet.2010.01.004 ↗
46. Cerium tartrate as a corrosion inhibitor for AA 2024-T310.1016/j.corsci.2015.03.010 ↗
47. Corrosion behaviour of sol-gel coatings doped with cerium salts on 2024-T3 aluminum alloy10.1016/j.matchemphys.2010.06.035 ↗
48. Cerium phosphate-based inhibitor for smart corrosion protection of WE43 magnesium alloy10.1016/j.electacta.2020.137368 ↗
49. The effect of ceria and zirconia nanoparticles on the corrosion behaviour of cataphoretic epoxy coatings on AA6060 alloy
50. Corrosion behavior of epoxy composite coatings reinforced with reduced graphene oxide nanosheets in the high salinity environments10.1016/j.apsusc.2019.06.271 ↗
51. Nanodiamond loaded with corrosion inhibitor as efficient nanocarrier to improve anticorrosion behavior of epoxy coating10.1016/j.jiec.2019.11.023 ↗
52. Epoxy/polyaniline-ZnO nanorods hybrid nanocomposite coatings: synthesis, characterization and corrosion protection performance of conducting paints10.1016/j.porgcoat.2013.08.015 ↗
53. Long-term corrosion protection of mild steel by epoxy coating containing self-doped polyaniline nanofiber10.1016/j.synthmet.2017.05.004 ↗
54. The effect of epoxy coating containing emeraldine base and hydrofluoric acid doped polyaniline on the corrosion protection of AZ91D magnesium alloy10.1016/j.corsci.2011.07.021 ↗
55. Effect of polypyrrole on the properties of conventional epoxy coatings10.1108/PRT-04-2011-0030 ↗
56. Corrosion resistant polypyrrole/flyash composite coatings designed for mild steel substrate
57. Designing of corrosion resistant epoxy coatings embedded with polypyrrole/SiO2 composite10.1016/j.porgcoat.2014.04.013 ↗
58. Cerium tartrate as a pigment in epoxy coatings for corrosion protection of AA 2024-T310.1016/j.porgcoat.2017.01.002 ↗
59. Novel smart and self-healing cerium phosphate-based corrosion inhibitor for AZ31 magnesium alloy10.1016/j.corsci.2020.108648 ↗
60. Enhancement of the adhesion and anticorrosive properties of an epoxy coating by the application of a cerium based film
61. Formation of a cerium conversion coating on magnesium alloy using ascorbic acid as additive. Characterisation and anticorrosive properties of the formed films10.1016/j.jma.2016.10.002 ↗
62. Electroformation of coatings modified with silver on magnesium alloys for biomedical applications10.4152/pea.202006351 ↗
63. The effect of cerium-based conversion treatment on the cathodic delamination and corrosion protection performance of carbon steel-fusion-bonded epoxy coating systems10.1016/j.apsusc.2016.09.140 ↗
64. Synthesis and structural study of polypyrroles prepared in the presence of surfactants10.1016/S0379-6779(02)00498-8 ↗
65. Synthesis and characterization of polypyrrole (PPy) thin films10.4236/snl.2011.11002 ↗
66. Properties of ceria nanoparticles with surface modified by acidic groups10.1007/s11051-020-05049-5 ↗
67. ‘SMART’ protective ability of water based epoxy coatings loaded with CaCO 3 microbeads impregnated with corrosion inhibitors applied on AA2024 substrates10.1016/j.electacta.2012.07.102 ↗
68. Bio-corrosion behaviors of hyaluronic acid and cerium multi-layer films on degradable implant
69. The characterisation and performance of Ce(dbp)3-inhibited epoxy coatings10.1016/j.porgcoat.2010.10.009 ↗
70. The negative difference effect of magnesium and of the AZ91 alloy in chloride and stannate-containing solutions10.1016/j.corsci.2010.03.010 ↗
71. Measurement of the corrosion rate of magnesium alloys using Tafel extrapolation10.1016/j.corsci.2009.10.016 ↗
72. Facile fabrication of robust superhydrophobic coating for enhanced corrosion protection on AZ91 magnesium alloy by electroless Ni-B/GO plating
73. Accurate electrochemical measurement of magnesium corrosion rates; a combined impedance, mass-loss and hydrogen collection study10.1016/j.electacta.2013.12.124 ↗
74. A zinc-doped coating prepared on the magnesium alloy by plasma electrolytic oxidation for corrosion protection
75. Self-healing performance and corrosion resistance of a bilayer calcium carbonate coating on microarc-oxidized magnesium alloy10.1016/j.corsci.2022.110927 ↗
76. Design and fabrication of enhanced corrosion-resistant LDH-Zn-G/Ni dual-layer structural coatings on magnesium alloys10.1016/j.jallcom.2022.165475 ↗
77. Study on the deterioration process of a chromium-free conversion coating on AZ91D magnesium alloy in NaCl solution10.1016/j.apsusc.2005.12.122 ↗
78. One-step fabrication and localized electrochemical characterization of continuous Al-alloyed intermetallic surface layer on magnesium alloy10.3390/coatings8040148 ↗
79. Corrosion behavior of polypyrrole (Ppy)coating modified by polyethylene glycol (PEG)doped ammonium bifluoride on AZ31 magnesium alloy10.1016/j.porgcoat.2019.04.054 ↗
80. Studies of different acid doped polyaniline incorporated into epoxy organic coatings on the Mg alloy
81. Fluorine-phosphate copolymerization waterborne acrylic resin coating with enhanced anticorrosive performance10.1002/pol.20230108 ↗
82. Silane-incorporated epoxy coatings on aluminum alloy (AA2024). Part 1: improved corrosion performance10.1016/j.corsci.2014.11.046 ↗