| 气雾化Al-Pb系轴瓦合金 |
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| 引用本文： | 李永伟,王磊,朱学新,贺会军,徐柱天,张少明,石力开,袁冠森. 气雾化Al-Pb系轴瓦合金[J]. 稀有金属, 1998, 22(5): 321-325 |
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| 作者姓名： | 李永伟 王磊 朱学新 贺会军 徐柱天 张少明 石力开 袁冠森 |
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| 作者单位： | 北京有色金属研究总院,北京,100088 |
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| 摘 要： | 采用气雾化技术，制备了应用于工业化ＲＳＰＭ工艺的高质量ＡｌＰｂ系合金粉末。对雾化粉末显微结构的分析表明，第二相（铅相）在基体中分布均匀，其粒径大小取决于凝固过程的冷速；不同粒径的粉末第二相分布随冷速的增加而分布更均匀、细化。对雾化粉末中各元素分布的分析表明，硅、铜等元素在晶界上有富积现象。
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| 关 键 词： | Al-Pb 轴瓦合金 气雾化 显微结构 |
Gas Atomization of Al-Pb Bearing Alloys |
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| Li Yongwei,Wang Lei,Zhu Xuexin,He Huijun,Xu Zhutian,Zhang Shaoming,Shi Likai,Yuan Guansen. Gas Atomization of Al-Pb Bearing Alloys[J]. Chinese Journal of Rare Metals, 1998, 22(5): 321-325 |
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| Authors: | Li Yongwei Wang Lei Zhu Xuexin He Huijun Xu Zhutian Zhang Shaoming Shi Likai Yuan Guansen |
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| Abstract: | By using the gas atomization technology, high quality Al Pb system alloy powders which are extensively used in the industrialized RS PM technology were prepared. Analyzed results of atomized powder microstructure show that the second (Pb) phase particles evenly distributed in the matrix and their particle diameters were determined by the rates of solidification. With the increasing of the solidification rates, the second phase particles of atomized powders with different size distributed much evenly and finely. Analysis of element distribution shows that the enrichment of Si and Cu exists on the grain boundary. |
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| Keywords: | Al Pb Bearing alloys Gas atomization Microstructure |
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