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Refining Al–20Si Alloy by Appending Trace Sr–Sc–Ce Nanoparticles and Ultrasonic Vibration Processing
Physica Status Solidi (A) - Applications and Materials Science Pub Date : 2023-12-07 , DOI: 10.1002/pssa.202300617 Jiping Lei 1 , Bowen Lei 2 , Kai Zhang 1 , Guanlin Liu 1 , Yuanyuan Liu 1
Physica Status Solidi (A) - Applications and Materials Science Pub Date : 2023-12-07 , DOI: 10.1002/pssa.202300617 Jiping Lei 1 , Bowen Lei 2 , Kai Zhang 1 , Guanlin Liu 1 , Yuanyuan Liu 1
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In this study, Al–20Si alloy is modified by appending trace Sr–Sc–Ce nanoparticles and ultrasonic vibration processing (UVP). The consequences indicate that its microstructure is significantly refined and its mechanical characteristics are improved. The effect of the favorable refinements is achieved by appending 0.2% Sr–0.15% Sc–0.3% Ce and performing UVP. The primary Si is the minimum, the grain roundness coefficient and the strength of extension are the maximum, and the spheroidizing effect of α-Al is the best. The elongation and hardness are the highest when 0.4% Ce is appended. The research consequences afford a reasonable process scheme for manufacturing high-quality wear-resistant material of the automotive and aerospace industries.
中文翻译：
添加微量Sr-Sc-Ce纳米颗粒和超声振动处理精炼Al-20Si合金
在这项研究中，通过添加微量Sr-Sc-Ce纳米颗粒和超声振动处理（UVP）对Al-20Si合金进行改性。结果表明，其显微组织显着细化，力学性能得到改善。通过添加 0.2% Sr–0.15% Sc–0.3% Ce 并进行 UVP 可以实现良好的细化效果。初生Si最小，晶粒圆度系数和延伸强度最大，α-Al的球化效果最好。添加0.4% Ce时伸长率和硬度最高。研究成果为汽车、航空航天等行业高质量耐磨材料的制造提供了合理的工艺方案。
更新日期：2023-12-11
中文翻译：
添加微量Sr-Sc-Ce纳米颗粒和超声振动处理精炼Al-20Si合金
在这项研究中，通过添加微量Sr-Sc-Ce纳米颗粒和超声振动处理（UVP）对Al-20Si合金进行改性。结果表明，其显微组织显着细化，力学性能得到改善。通过添加 0.2% Sr–0.15% Sc–0.3% Ce 并进行 UVP 可以实现良好的细化效果。初生Si最小，晶粒圆度系数和延伸强度最大，α-Al的球化效果最好。添加0.4% Ce时伸长率和硬度最高。研究成果为汽车、航空航天等行业高质量耐磨材料的制造提供了合理的工艺方案。
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