Production of Al6061 matrix composites with ZrO2 ceramic reinforcement using a low-cost stir casting technique: Microstructure, mechanical properties, and electrochemical behavior
The Al6061/ZrO2 composites were produced using a low-cost stir casting technique, for the first time. The microstructures, mechanical properties, and electrochemical behavior of the composites, containing different amounts of ZrO2 ceramic reinforcement, were studied in detail. The results revealed t...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
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Elsevier
2020-11-01
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| Series: | Journal of Materials Research and Technology |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2238785420319542 |
| _version_ | 1818389695249252352 |
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| author | Vida Khalili Akbar Heidarzadeh Sajjad Moslemi Leila Fathyunes |
| author_facet | Vida Khalili Akbar Heidarzadeh Sajjad Moslemi Leila Fathyunes |
| author_sort | Vida Khalili |
| collection | DOAJ |
| description | The Al6061/ZrO2 composites were produced using a low-cost stir casting technique, for the first time. The microstructures, mechanical properties, and electrochemical behavior of the composites, containing different amounts of ZrO2 ceramic reinforcement, were studied in detail. The results revealed that the weight percentage of ZrO2 ceramic reinforcement was the most effective parameter affecting the properties of composites. The optimum mechanical properties and corrosion resistance were achieved when adding 3 wt.% ZrO2 at 700 °C due to the uniform distribution of ceramic reinforcement, elimination of agglomeration, finer grain sizes, and no chemical reactions between the ZrO2 ceramic particles and Al matrix. The maximum elastic modulus of larger than 80 GPa, the maximum hardness of 1.39 GPa, and the highest wear resistance were obtained at optimum condition. From the viewpoint of electrochemical behavior, the optimal composite showed higher pitting resistance with the lowest thermodynamic tendency to corrosion because ZrO2 ceramic particles are less prone to corrosion. In addition, at a higher amount of ZrO2, the formation of a continuous protective layer on the surface is postponed, which leads to lower corrosion resistance. |
| first_indexed | 2024-12-14T04:45:49Z |
| format | Article |
| id | doaj.art-084068657dda4c3494f74ef9bcd2f053 |
| institution | Directory Open Access Journal |
| issn | 2238-7854 |
| language | English |
| last_indexed | 2024-12-14T04:45:49Z |
| publishDate | 2020-11-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Journal of Materials Research and Technology |
| spelling | doaj.art-084068657dda4c3494f74ef9bcd2f0532022-12-21T23:16:41ZengElsevierJournal of Materials Research and Technology2238-78542020-11-01961507215086Production of Al6061 matrix composites with ZrO2 ceramic reinforcement using a low-cost stir casting technique: Microstructure, mechanical properties, and electrochemical behaviorVida Khalili0Akbar Heidarzadeh1Sajjad Moslemi2Leila Fathyunes3Department of Materials Science and Engineering, University of Bonab, 5551761167, Bonab, Iran; Corresponding author.Department of Materials Engineering, Azarbaijan Shahid Madani University, 53714-161, Tabriz, IranResearch Center for Advanced Materials and Mineral Processing, Faculty of Materials Engineering, Sahand University of Technology, Tabriz, IranDepartment of Materials Science and Engineering, University of Bonab, 5551761167, Bonab, IranThe Al6061/ZrO2 composites were produced using a low-cost stir casting technique, for the first time. The microstructures, mechanical properties, and electrochemical behavior of the composites, containing different amounts of ZrO2 ceramic reinforcement, were studied in detail. The results revealed that the weight percentage of ZrO2 ceramic reinforcement was the most effective parameter affecting the properties of composites. The optimum mechanical properties and corrosion resistance were achieved when adding 3 wt.% ZrO2 at 700 °C due to the uniform distribution of ceramic reinforcement, elimination of agglomeration, finer grain sizes, and no chemical reactions between the ZrO2 ceramic particles and Al matrix. The maximum elastic modulus of larger than 80 GPa, the maximum hardness of 1.39 GPa, and the highest wear resistance were obtained at optimum condition. From the viewpoint of electrochemical behavior, the optimal composite showed higher pitting resistance with the lowest thermodynamic tendency to corrosion because ZrO2 ceramic particles are less prone to corrosion. In addition, at a higher amount of ZrO2, the formation of a continuous protective layer on the surface is postponed, which leads to lower corrosion resistance.http://www.sciencedirect.com/science/article/pii/S2238785420319542Al6061Metal matrix compositeZrO2 ceramic reinforcementNanoindentationNano-scratchCorrosion |
| spellingShingle | Vida Khalili Akbar Heidarzadeh Sajjad Moslemi Leila Fathyunes Production of Al6061 matrix composites with ZrO2 ceramic reinforcement using a low-cost stir casting technique: Microstructure, mechanical properties, and electrochemical behavior Journal of Materials Research and Technology Al6061 Metal matrix composite ZrO2 ceramic reinforcement Nanoindentation Nano-scratch Corrosion |
| title | Production of Al6061 matrix composites with ZrO2 ceramic reinforcement using a low-cost stir casting technique: Microstructure, mechanical properties, and electrochemical behavior |
| title_full | Production of Al6061 matrix composites with ZrO2 ceramic reinforcement using a low-cost stir casting technique: Microstructure, mechanical properties, and electrochemical behavior |
| title_fullStr | Production of Al6061 matrix composites with ZrO2 ceramic reinforcement using a low-cost stir casting technique: Microstructure, mechanical properties, and electrochemical behavior |
| title_full_unstemmed | Production of Al6061 matrix composites with ZrO2 ceramic reinforcement using a low-cost stir casting technique: Microstructure, mechanical properties, and electrochemical behavior |
| title_short | Production of Al6061 matrix composites with ZrO2 ceramic reinforcement using a low-cost stir casting technique: Microstructure, mechanical properties, and electrochemical behavior |
| title_sort | production of al6061 matrix composites with zro2 ceramic reinforcement using a low cost stir casting technique microstructure mechanical properties and electrochemical behavior |
| topic | Al6061 Metal matrix composite ZrO2 ceramic reinforcement Nanoindentation Nano-scratch Corrosion |
| url | http://www.sciencedirect.com/science/article/pii/S2238785420319542 |
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