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| High-gravity separation of silicon carbide in particle-reinforced 6061 aluminum alloy |
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Received:March 29, 2021
Revised:April 22, 2021
Accepted:April 26, 2021
Published Online:June 29, 2021
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| DOI： |
| KeyWord:particle-reinforced; 6061 aluminum alloy; silicon carbide; high-gravity separation |
| Author | Institution |
| PANG Sheng |
National Engineering Laboratory for Hydrometallurgical Cleaner Production Technology,Key Laboratory of Green Process and Engineering,Institute of Process Engineering,Chinese Academy of Sciences;Innovation Academy for Green Manufacture,Chinese Academy of Sciences |
| WANG Zhi |
National Engineering Laboratory for Hydrometallurgical Cleaner Production Technology,Key Laboratory of Green Process and Engineering,Institute of Process Engineering,Chinese Academy of Sciences;Innovation Academy for Green Manufacture,Chinese Academy of Sciences |
| LI Shi-jian |
National Engineering Laboratory for Hydrometallurgical Cleaner Production Technology,Key Laboratory of Green Process and Engineering,Institute of Process Engineering,Chinese Academy of Sciences;Innovation Academy for Green Manufacture,Chinese Academy of Sciences |
| SUN Yi-wei |
National Engineering Laboratory for Hydrometallurgical Cleaner Production Technology,Key Laboratory of Green Process and Engineering,Institute of Process Engineering,Chinese Academy of Sciences;Innovation Academy for Green Manufacture,Chinese Academy of Sciences |
| QIAN Guo-yu |
National Engineering Laboratory for Hydrometallurgical Cleaner Production Technology,Key Laboratory of Green Process and Engineering,Institute of Process Engineering,Chinese Academy of Sciences;Innovation Academy for Green Manufacture,Chinese Academy of Sciences |
| WANG Dong |
National Engineering Laboratory for Hydrometallurgical Cleaner Production Technology,Key Laboratory of Green Process and Engineering,Institute of Process Engineering,Chinese Academy of Sciences;Innovation Academy for Green Manufacture,Chinese Academy of Sciences |
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| Abstract: |
| The recycling of end-of-live aluminum alloys to produce secondary aluminum is of great significance to alleviating resource pressure, energy conservation and environmental protection, which effectively promotes the green and sustainable development of aluminum alloy manufacturing. However, a large number of micron-sized particles (SiC, Al2O3, etc.) are dispersed and evenly distributed in the particle-reinforced aluminum alloy matrix, and it is difficult to achieve high-efficiency enrichment by conventional separation methods. High-gravity separation has been widely studied in the fields of metal melt purification and non-metallic inclusion removal. Herein, the reinforced particles are used as the inclusions in the alloy, and the 6061 aluminum alloy reinforced with silicon carbide was used as the experimental raw material. When gravity is 800 and the reaction temperature is 750°C, the efficient separation of the reinforcement particles and the alloy matrix is achieved within 10 minutes, which provides a typical example for the recycling of other reinforcement aluminum alloys. |
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