Effect of Non-Isothermal Aging on the Mechanical Properties and Corrosion Resistance of 2A12 Aluminum Alloy
Abstract
:1. Introduction
2. Materials and Methods
2.1. Thermal Property Analysis
2.2. Tensile Test and Microhardness Analysis
2.3. Corrosion Test
3. Results and Discussion
3.1. Microstructure
3.2. Mechanical Properties
3.2.1. Tensile Properties
3.2.2. Microhardness
3.3. Corrosion Performance
3.3.1. Intergranular Corrosion
3.3.2. Exfoliation Corrosion
3.3.3. Electrochemical Analysis
4. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Element | Cu | Mg | Mn | Fe | Si | Zn | Ti | Ni | Other | Al |
---|---|---|---|---|---|---|---|---|---|---|
Contents | 4.64 | 1.59 | 0.59 | 0.42 | 0.32 | 0.18 | 0.1 | 0.05 | 0.15 | Bal. |
Conditions | Immersion Time | ||||
---|---|---|---|---|---|
12 h | 24 h | 48 h | 72 h | 96 h | |
Annealed state | PA | PB | PC | EA | EA |
(30,190) × 20 | PA | PB | PC | EA | EB |
(30,170) × 20 + (170,100)/20 | PB | PC | EB | EC | EC |
Sample | Ecorr (mV (Ag/AgCl)) | Icorr (mA/cm2) |
---|---|---|
Annealed state | −621.95 | 2.2386 × 10−7 |
(30,190) × 20 | −627.37 | 2.3613 × 10−7 |
(30,170) × 20 + (170,100)/20 | −685.85 | 4.3455 × 10−7 |
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Yang, J.; Liu, H.; Zeng, T.; Li, S.; Liu, Z.; Wu, T.; Gu, D. Effect of Non-Isothermal Aging on the Mechanical Properties and Corrosion Resistance of 2A12 Aluminum Alloy. Materials 2023, 16, 3921. https://doi.org/10.3390/ma16113921
Yang J, Liu H, Zeng T, Li S, Liu Z, Wu T, Gu D. Effect of Non-Isothermal Aging on the Mechanical Properties and Corrosion Resistance of 2A12 Aluminum Alloy. Materials. 2023; 16(11):3921. https://doi.org/10.3390/ma16113921
Chicago/Turabian StyleYang, Jie, Hongfeng Liu, Tao Zeng, Shuai Li, Zhongying Liu, Tingting Wu, and Dongdong Gu. 2023. "Effect of Non-Isothermal Aging on the Mechanical Properties and Corrosion Resistance of 2A12 Aluminum Alloy" Materials 16, no. 11: 3921. https://doi.org/10.3390/ma16113921