Microstructure and Properties of Laser Surface Remelting AlCoCrFeNi2.1 High-Entropy Alloy
Abstract
:1. Introduction
2. Materials and Methods
3. Results
3.1. Phase Analysis
3.2. Microstructure
3.3. Hardness Analysis
3.4. Friction and Wear Resistance Analysis
3.5. Electrochemical Characteristics
4. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Alloy | Atomic Fraction | |||||
---|---|---|---|---|---|---|
Al | Co | Cr | Fe | Ni | ||
Nominal | 16.39 | 16.39 | 16.39 | 16.39 | 34.43 | |
As-cast | BCC phase | 29.97 | 12.12 | 8.12 | 10.71 | 39.08 |
FCC phase | 11.37 | 20.84 | 19.62 | 17.24 | 30.93 | |
750 W | BCC phase | 17.95 | 15.18 | 16.98 | 15.73 | 34.17 |
FCC phase | 16.78 | 15.33 | 17.18 | 17.30 | 33.42 |
Alloy | Ecorr/mV | Icorr/(A·cm−2) | Epass/mV | Epit/mV | ΔE/mV |
---|---|---|---|---|---|
As-cast | −354 | 1.713 × 10−7 | −218 | 132 | 350 |
750 W | −308 | 1.362 × 10−7 | −194 | 281 | 475 |
Sample | Rs/(Ω·cm2) | Rp/(Ω·cm2) | CPE | |
---|---|---|---|---|
Y0/(s−n·Ω−1·cm−2) | n | |||
As-cast | 12.78 | 4.11 × 104 | 2.328 × 10−5 | 0.89 |
750 W | 8.74 | 8.72 × 104 | 2.137 × 10−5 | 0.90 |
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Chen, J.; Zhang, J.; Li, K.; Zhuang, D.; Zang, Q.; Chen, H.; Lu, Y.; Xu, B.; Zhang, Y. Microstructure and Properties of Laser Surface Remelting AlCoCrFeNi2.1 High-Entropy Alloy. Metals 2022, 12, 1590. https://doi.org/10.3390/met12101590
Chen J, Zhang J, Li K, Zhuang D, Zang Q, Chen H, Lu Y, Xu B, Zhang Y. Microstructure and Properties of Laser Surface Remelting AlCoCrFeNi2.1 High-Entropy Alloy. Metals. 2022; 12(10):1590. https://doi.org/10.3390/met12101590
Chicago/Turabian StyleChen, Jingrun, Jing Zhang, Ke Li, Dongdong Zhuang, Qianhao Zang, Hongmei Chen, Yandi Lu, Bo Xu, and Yan Zhang. 2022. "Microstructure and Properties of Laser Surface Remelting AlCoCrFeNi2.1 High-Entropy Alloy" Metals 12, no. 10: 1590. https://doi.org/10.3390/met12101590