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| 超音速气雾化过共晶Al-Si合金粉末特性及组织 | |
| 引用本文： | 谢壮德,孙剑飞,沈军,周彼德,苏志军,乐红胜.超音速气雾化过共晶Al-Si合金粉末特性及组织[J].粉末冶金技术,2001,19(6):331-334. |
| 作者姓名： | 谢壮德 孙剑飞 沈军 周彼德 苏志军 乐红胜 |
| 作者单位： | 1. 上海交通大学材料科学与工程学院,上海,200030 2. 哈尔滨工业大学材料科学与工程学院,哈尔滨,150001 3. 上海日立电器有限公司,上海,201206 |
| 基金项目： | 哈尔滨工业大学“百名英才”杰出青年基金项目 |
| 摘 要： | 利用超音速气雾化法制备过共晶Al-Si快凝合金粉末。对合金粉末形貌特征、组织结构及相组成进行研究，表明合金粉末细小均匀，组织主要颗粒状Si相和针状金属间化合物Al9FeSi3组成，而且尺寸比较细小，分布也较均匀。 |
| 关 键 词： | 超音速气雾化 快速凝固 形貌特征 组织 过共晶铝硅合粉末 |
| 修稿时间： | 2000年9月12日 |
Characteristics and Microstructure of Hypereutectic Al- Si Alloy Powder by Ultrasonic Gas Atomization Process |
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| Xie Zhuangde ,Sun Jianfei ,Shen Jun ,Zhou Bide ,Su Zhijun ,Le Hongsheng School of Material Science and Engineering,Shanghai Jiao Tong University,Shanghai School of Material Science.Characteristics and Microstructure of Hypereutectic Al- Si Alloy Powder by Ultrasonic Gas Atomization Process[J].Powder Metallurgy Technology,2001,19(6):331-334. | |
| Authors: | Xie Zhuangde Sun Jianfei Shen Jun Zhou Bide Su Zhijun Le Hongsheng School of Material Science and Engineering Shanghai Jiao Tong University Shanghai School of Material Science |
| Affiliation: | Xie Zhuangde 1),Sun Jianfei 2),Shen Jun 2),Zhou Bide 2),Su Zhijun 3),Le Hongsheng 3) 1)School of Material Science and Engineering,Shanghai Jiao Tong University,Shanghai 200030) 2)School of Material Science |
| Abstract: | A hypereutectic Al-Si alloy powder was manufactured by ultrasonic gas atomization process. The morphologies, microstructure and phase constituent of the alloy powder were studied. The results show that the particle size of the powder was very fine and uniformly distributed, the main phases of alloy microstructure were Si crystals plus intermetallic compound Al 9FeSi 3 and the phases were very fine and homogeneous. |
| Keywords: | ultrasonic gas atomization hypereutectic Al-Si alloy rapid solidification morphology characteristics microstructure |
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