| 超声场中Al-1%Si合金水平连铸实验研究 |
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| 引用本文： | 赵建强,李新涛,宁韶斌,李喜孟,李廷举.超声场中Al-1%Si合金水平连铸实验研究[J].材料工程,2006(Z1):207-209,213. |
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| 作者姓名： | 赵建强 李新涛 宁韶斌 李喜孟 李廷举 |
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| 作者单位： | 1. 大连理工大学,材料科学与工程学院,辽宁,大连,116024
2. 大连理工大学,三束材料改性国家重点实验室,辽宁,大连,116024 |
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| 基金项目： | 国家高技术研究发展计划(863计划) |
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| 摘 要： | 研究了功率超声对水平连铸Al-1%(质量分数)Si合金凝固过程、合金组织和力学性能的影响,详细探讨了超声空化细化合金组织的机理.结果表明,在合金的凝固过程中施加功率超声可以提高形核率,使合金组织细化,从而提高其力学性能,并且随超声波功率的增加,铸坯的平均晶粒直径减小.
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| 关 键 词： | 功率超声 水平连铸 Al-1％Si合金 超声空化 |
| 文章编号： | 1001-4381(2006)Suppl-0207-03 |
Research on Horizontal Continuous Casting of Al-1%Si Alloy Under Ultrasonic Field |
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| ZHAO Jian-qiang,LI Xin-tao,NING Shao-bin,LI Xi-meng,LI Ting-ju.Research on Horizontal Continuous Casting of Al-1%Si Alloy Under Ultrasonic Field[J].Journal of Materials Engineering,2006(Z1):207-209,213. |
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| Authors: | ZHAO Jian-qiang LI Xin-tao NING Shao-bin LI Xi-meng LI Ting-ju |
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| Abstract: | It is investigated that the effect of power ultrasound on solidification process,alloy structures and mechanical properties of Al-1%(mass fraction)Si alloy with horizontal continuous casting under ultrasonic field.Ultrasonic cavitation,the major mechanism of ultrasonic refining,is also discussed in detail.The results reveal that application of power ultrasound can increase the nucleation rate,refine alloy structures,and improve the mechanical properties.With increasing of ultrasonic power,the homogenous and refining structures can be obtained. |
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| Keywords: | power ultrasound horizontal continuous casting Al-1%Si alloy ultrasonic cavitation |
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