Competitive and collaborative relationship between Al–3P and TiB2 nanoparticles in the microstructure manipulation of eutectic Al–Si alloys
In this work, the synergistic effects of the modifier Al–3P master alloy and nano-TiB2 ceramic particles on the microstructure and mechanical performance of cast eutectic Al–Si alloys were investigated. Results showed that AlP and nano-TiB2 particles served as efficient heterogeneous nucleation site...
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Elsevier
2025-03-01
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| Series: | Journal of Materials Research and Technology |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2238785425001899 |
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| author | Yi-Lu Li Bai-Xin Dong Hong-Yu Yang Dan Luo Shi-Li Shu Zhi-Fa Wang Jie Kang Jia Meng Chang-Jie Luo Cheng-Gang Wang Kuang Cao Jian Qiao Ming Zhu Feng Qiu Qi-Chuan Jiang |
| author_facet | Yi-Lu Li Bai-Xin Dong Hong-Yu Yang Dan Luo Shi-Li Shu Zhi-Fa Wang Jie Kang Jia Meng Chang-Jie Luo Cheng-Gang Wang Kuang Cao Jian Qiao Ming Zhu Feng Qiu Qi-Chuan Jiang |
| author_sort | Yi-Lu Li |
| collection | DOAJ |
| description | In this work, the synergistic effects of the modifier Al–3P master alloy and nano-TiB2 ceramic particles on the microstructure and mechanical performance of cast eutectic Al–Si alloys were investigated. Results showed that AlP and nano-TiB2 particles served as efficient heterogeneous nucleation sites of Si and α-Al, respectively. Incorporated TiB2 and Al–3P performed the best manipulating potency on the solidification microstructure of Al–Si alloys than separately added, primary Si was significantly refined and the transition of Al–Si eutectic was promoted. Room-temperature and high-temperature tensile strength were also markedly enhanced, the yield strength, ultimate tensile strength and fracture strain of eutectic Al–Si alloys manipulated by Al–3P + nano-TiB2 particles were increased by 36.4%, 31.7% and 32.1% at 250 °C and 60.0%, 42.0% and 50.9% at 300 °C, respectively, in comparison to the unmodified alloys. The enhanced high-temperature strength was attributed to the refinement of primary Si and α-Al, which was achieved through the synergistic effects of nano-TiB2 particles and Al–3P. Then the grain boundary density increased, with finer eutectic Si and nanoparticles being effectively pinned at the grain boundaries, thereby boosting the mechanical performance. This study provides theoretical research and experimental basis for the development and application of heat-resistant aluminum alloys. |
| format | Article |
| id | doaj-art-dc32e3c9494e476c8902e2c1e09c6aed |
| institution | Kabale University |
| issn | 2238-7854 |
| language | English |
| publishDate | 2025-03-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Journal of Materials Research and Technology |
| spelling | doaj-art-dc32e3c9494e476c8902e2c1e09c6aed2025-02-02T05:27:39ZengElsevierJournal of Materials Research and Technology2238-78542025-03-013527132725Competitive and collaborative relationship between Al–3P and TiB2 nanoparticles in the microstructure manipulation of eutectic Al–Si alloysYi-Lu Li0Bai-Xin Dong1Hong-Yu Yang2Dan Luo3Shi-Li Shu4Zhi-Fa Wang5Jie Kang6Jia Meng7Chang-Jie Luo8Cheng-Gang Wang9Kuang Cao10Jian Qiao11Ming Zhu12Feng Qiu13Qi-Chuan Jiang14Key Laboratory of Automobile Materials, Ministry of Education and Department of Materials Science and Engineering, Jilin University, Renmin Street NO. 5988, Changchun, Jilin Province, 130025, PR ChinaKey Laboratory of Automobile Materials, Ministry of Education and Department of Materials Science and Engineering, Jilin University, Renmin Street NO. 5988, Changchun, Jilin Province, 130025, PR China; Corresponding author.Key Laboratory of Automobile Materials, Ministry of Education and Department of Materials Science and Engineering, Jilin University, Renmin Street NO. 5988, Changchun, Jilin Province, 130025, PR ChinaSchool of Materials Science and Engineering, Wuhan University of Technology, Wuhan, 430070, PR ChinaKey Laboratory of Automobile Materials, Ministry of Education and Department of Materials Science and Engineering, Jilin University, Renmin Street NO. 5988, Changchun, Jilin Province, 130025, PR China; School of Mechanical and Aerospace Engineering, Jilin University, Renmin Street NO. 5988, Changchun, 130025, PR ChinaKey Laboratory of Automobile Materials, Ministry of Education and Department of Materials Science and Engineering, Jilin University, Renmin Street NO. 5988, Changchun, Jilin Province, 130025, PR ChinaJilin Liyuan Precision Manufacturing Co., Ltd., No. 5729, Xi'ning Road, Economic Development Zone, LiaoYuan, Jilin Province, 136299, PR ChinaDepartment and Test Center, FAW-Volkswagen Automotive Co., Ltd, Changchun, Jilin Province, 130011, PR ChinaCansinga Technology Co., Ltd, Building D, Central Avenue, Bao'an District, Shenzhen, Guangdong Province, 518101, PR ChinaTechnology Research and Development Casting & Forging Research Institute, FAW Foundry Co., Ltd, Crossing of Hexie Street & Bingwu Road Automotive Industry Development Zone Changchun, Jilin Province, 130013, PR ChinaJiangsu Dalishen Aluminum Industry Co., Ltd, No. 8 Shengchang West Road, Economic Development Zone, Danyang, Jiangsu Province, 212314, PR ChinaSchool of Mechatronic Engineering and Automation, Foshan University, No. 33 Guangyun Road, Nanhai District, Foshan, Guangdong Province, 528231, PR ChinaZhenjiang Xianfeng Automotive Parts Co., Ltd, Dantu High Tech Industrial Park, Zhenjiang, Jiangsu Province, 212000, PR ChinaKey Laboratory of Automobile Materials, Ministry of Education and Department of Materials Science and Engineering, Jilin University, Renmin Street NO. 5988, Changchun, Jilin Province, 130025, PR China; Corresponding author.Key Laboratory of Automobile Materials, Ministry of Education and Department of Materials Science and Engineering, Jilin University, Renmin Street NO. 5988, Changchun, Jilin Province, 130025, PR ChinaIn this work, the synergistic effects of the modifier Al–3P master alloy and nano-TiB2 ceramic particles on the microstructure and mechanical performance of cast eutectic Al–Si alloys were investigated. Results showed that AlP and nano-TiB2 particles served as efficient heterogeneous nucleation sites of Si and α-Al, respectively. Incorporated TiB2 and Al–3P performed the best manipulating potency on the solidification microstructure of Al–Si alloys than separately added, primary Si was significantly refined and the transition of Al–Si eutectic was promoted. Room-temperature and high-temperature tensile strength were also markedly enhanced, the yield strength, ultimate tensile strength and fracture strain of eutectic Al–Si alloys manipulated by Al–3P + nano-TiB2 particles were increased by 36.4%, 31.7% and 32.1% at 250 °C and 60.0%, 42.0% and 50.9% at 300 °C, respectively, in comparison to the unmodified alloys. The enhanced high-temperature strength was attributed to the refinement of primary Si and α-Al, which was achieved through the synergistic effects of nano-TiB2 particles and Al–3P. Then the grain boundary density increased, with finer eutectic Si and nanoparticles being effectively pinned at the grain boundaries, thereby boosting the mechanical performance. This study provides theoretical research and experimental basis for the development and application of heat-resistant aluminum alloys.http://www.sciencedirect.com/science/article/pii/S2238785425001899Eutectic Al–Si alloysNano-TiB2 particlesSi modificationMechanical propertiesStrengthening mechanisms |
| spellingShingle | Yi-Lu Li Bai-Xin Dong Hong-Yu Yang Dan Luo Shi-Li Shu Zhi-Fa Wang Jie Kang Jia Meng Chang-Jie Luo Cheng-Gang Wang Kuang Cao Jian Qiao Ming Zhu Feng Qiu Qi-Chuan Jiang Competitive and collaborative relationship between Al–3P and TiB2 nanoparticles in the microstructure manipulation of eutectic Al–Si alloys Journal of Materials Research and Technology Eutectic Al–Si alloys Nano-TiB2 particles Si modification Mechanical properties Strengthening mechanisms |
| title | Competitive and collaborative relationship between Al–3P and TiB2 nanoparticles in the microstructure manipulation of eutectic Al–Si alloys |
| title_full | Competitive and collaborative relationship between Al–3P and TiB2 nanoparticles in the microstructure manipulation of eutectic Al–Si alloys |
| title_fullStr | Competitive and collaborative relationship between Al–3P and TiB2 nanoparticles in the microstructure manipulation of eutectic Al–Si alloys |
| title_full_unstemmed | Competitive and collaborative relationship between Al–3P and TiB2 nanoparticles in the microstructure manipulation of eutectic Al–Si alloys |
| title_short | Competitive and collaborative relationship between Al–3P and TiB2 nanoparticles in the microstructure manipulation of eutectic Al–Si alloys |
| title_sort | competitive and collaborative relationship between al 3p and tib2 nanoparticles in the microstructure manipulation of eutectic al si alloys |
| topic | Eutectic Al–Si alloys Nano-TiB2 particles Si modification Mechanical properties Strengthening mechanisms |
| url | http://www.sciencedirect.com/science/article/pii/S2238785425001899 |
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