Effect of Polyaniline and Graphene Oxide Composite Powders on the Protective Performance of Epoxy Coatings on Magnesium Alloy Surfaces
Abstract
:1. Introduction
2. Materials and Methods
2.1. Experimental Materials
2.2. Preparation of Composite Powder
2.3. Preparation of Coating
2.4. Powder Characterization
2.5. Performance Test of Coating
3. Results
3.1. Analytical Characterization of Powder
3.2. Coating Performance Analysis
3.2.1. Analysis of the Physical Properties of Coatings
3.2.2. Analysis of Adhesion Strength of Coatings
3.2.3. Analysis of Coating Protection Performance
3.2.4. Analysis of Coating Protection Mechanism
4. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Description Test Property | Standards | Instructions | Instruments |
---|---|---|---|
Film hardness | ISO 15184 [21] | Pencil test | PPH-1 pencil hardness tester |
Flexibility | GB/T 1731-93 [22] | Bend test | QTX film flexibility tester |
Impact resistance | GB/T 1732-93 [23] | Falling-weight test | QCJ impact tester |
Property Coating | Hardness | Flexibility | Impact Resistance (1 kg) |
---|---|---|---|
PANI | 3H | Diameter Φ4 mm | 24 cm |
PAGO | 4H | Radius of curvature 0.5 ± 0.1 mm | 35 cm |
PMGO | 4H | Radius of curvature 1.5 ± 0.1 mm | 28 cm |
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Zhang, Y.; Xiao, S.; Wen, J.; Liu, X.; Dou, B.; Yang, L. Effect of Polyaniline and Graphene Oxide Composite Powders on the Protective Performance of Epoxy Coatings on Magnesium Alloy Surfaces. Coatings 2022, 12, 1849. https://doi.org/10.3390/coatings12121849
Zhang Y, Xiao S, Wen J, Liu X, Dou B, Yang L. Effect of Polyaniline and Graphene Oxide Composite Powders on the Protective Performance of Epoxy Coatings on Magnesium Alloy Surfaces. Coatings. 2022; 12(12):1849. https://doi.org/10.3390/coatings12121849
Chicago/Turabian StyleZhang, Yingjun, Shuai Xiao, Jie Wen, Xinyu Liu, Baojie Dou, and Liu Yang. 2022. "Effect of Polyaniline and Graphene Oxide Composite Powders on the Protective Performance of Epoxy Coatings on Magnesium Alloy Surfaces" Coatings 12, no. 12: 1849. https://doi.org/10.3390/coatings12121849