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Wear and Corrosion Resistance Analysis of $FeCoNiTiAl_{x}$ High-Entropy Alloy Coatings Prepared by Laser Cladding
| Content Provider | MDPI |
|---|---|
| Author | Sun, Zhaolei Zhang, Mingyuan Wang, Gaoqi Yang, Xuefeng Wang, Shouren |
| Copyright Year | 2021 |
| Description | FeCoNiTiAl x (x = 0, 0.5, 1) high-entropy alloy coatings were prepared by laser cladding technology. The phase, microstructure, hardness, wear resistance and corrosion resistance were tested and analyzed. The results showed Al element promoted the conversion from the FCC phase to the BCC phase. The coating presented dendritic structure due to the addition of the Al element, while the number of dendrites increased. And the average hardness of the coating increased from 204 to 623 HV. The addition of the Al element increases the corrosion current density of the coating from 1.270 × 10−5 to 3.489 × 10−5 A/cm2. The wear rate of the coatings decreases with the increase of Al content according to dry friction and wear, which indicates the wear resistance of the coating was improved by adding the Al element. According to the corrosion wear test in 3.5% NaCl solution, it can be found that the wear rate of the coating increases firstly and then decreases with the addition of the Al element, which indicates that the addition of the Al element intensifies the wear of the coating in 3.5% NaCl solution. |
| Starting Page | 155 |
| e-ISSN | 20796412 |
| DOI | 10.3390/coatings11020155 |
| Journal | Coatings |
| Issue Number | 2 |
| Volume Number | 11 |
| Language | English |
| Publisher | MDPI |
| Publisher Date | 2021-01-29 |
| Access Restriction | Open |
| Subject Keyword | Coatings Coatings and Films High-entropy Alloy Coating Laser Cladding Dry Friction and Wear Corrosion Friction and Wear |
| Content Type | Text |
| Resource Type | Article |
