| 熔体超声处理对7055铝合金显微组织和性能的影响 |
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| 引用本文： | 胡化文,陈康华,刘红卫,黄兰萍,朱武,郑强. 熔体超声处理对7055铝合金显微组织和性能的影响[J]. 粉末冶金材料科学与工程, 2004, 9(2): 156-160 |
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| 作者姓名： | 胡化文 陈康华 刘红卫 黄兰萍 朱武 郑强 |
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| 作者单位： | 中南大学,粉末冶金国家重点实验室,湖南,长沙,410083 |
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| 基金项目： | 国家重点基础研究发展规划资助项目(G1999064900)军工配套资助项目(MKPT-03-148) |
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| 摘 要： | 通过对7055铝合金棒材浇铸前作超声处理,研究了超声作用对其显微组织和力学性能的影 响。研究结果表明:超声波在熔体中产生空化作用,对7055铝合金熔体作超声处理能细化晶粒, 提高强度,并能大幅度提高其塑性。
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| 关 键 词： | 7055铝合金 超声振动 空化 |
| 修稿时间： | 2003-12-29 |
Effect of ultrasonic melt treatment on property of high strength 7055 aluminum alloy |
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| HU Hua-wen,CHEN Kang-hua,LIU Hong-wei,HUANG Lan-ping,ZHU Wu,ZHENG Qiang. Effect of ultrasonic melt treatment on property of high strength 7055 aluminum alloy[J]. materials science and engineering of powder metallurgy, 2004, 9(2): 156-160 |
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| Authors: | HU Hua-wen CHEN Kang-hua LIU Hong-wei HUANG Lan-ping ZHU Wu ZHENG Qiang |
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| Abstract: | Utilizing ultrasonic vibration on the 7055 aluminum alloy melt and generate cavitati on in the melt before casting. The influences of ultrasonic treatment On the microstructure and mechanic property of 7055 aluminum alloy were studied. The results show that casting after ultrasonic treatment can obtain finer grain with homogeneous microstructure and higher strength meanwhile acquire strongly improved plasticity of the alloy. |
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| Keywords: | 7055 aluminum alloys ultrasonic vibration cavitation |
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