| 微量Mg、Si对Al-Ti-C中间合金晶粒细化效果的促进作用 |
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| 引用本文： | 柳延辉,李挺宾,刘相法,王振卿,韩延峰,边秀房.微量Mg、Si对Al-Ti-C中间合金晶粒细化效果的促进作用[J].铸造,2002,51(10):599-602. |
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| 作者姓名： | 柳延辉 李挺宾 刘相法 王振卿 韩延峰 边秀房 |
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| 作者单位： | 1. 山东大学材料液态结构及其遗传性教育部重点实验室,山东济南,250061
2. 费县银光镁业有限公司,山东费县,273400 |
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| 基金项目： | 山东省优秀中青年科学家科研奖励基金项目 (981 4 ) |
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| 摘 要： | 研究结果表明：微量的Mg和Si均能促进Al-Ti-C中间合金对工业纯铝和6063合金等铝合金的晶粒细化作用;在细化温度相同的条件下,与Si相比,Mg对Al-Ti-C中间合金细化效果具有更大的促进作用,微量的Mg可以抑制Al-Ti-C中间合金晶粒细化的“温度效应”;铝熔体中同时存在微量的Mg和Si时Al-Ti-C中间合金的细化效果更好,初步探讨了这两种微量元素促进Al-Ti-C中间合金细化效果的机理。
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| 关 键 词： | Al－Ti－C中间合金 晶粒细化 铝合金 镁 硅 |
| 文章编号： | 1001-4977(2002)10-0599-04 |
| 修稿时间： | 2002年2月7日 |
Promotion of Small Amount of Magnesium and Silicon on the Grain Refinement Effect of Al-Ti-C Master Alloy |
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| LIU Yan hui ,LI Ting bin ,LIU Xiang fa ,WANG Zhen qing ,HAN Yan feng ,BIAN Xiu fang.Promotion of Small Amount of Magnesium and Silicon on the Grain Refinement Effect of Al-Ti-C Master Alloy[J].Foundry,2002,51(10):599-602. |
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| Authors: | LIU Yan hui LI Ting bin LIU Xiang fa WANG Zhen qing HAN Yan feng BIAN Xiu fang |
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| Affiliation: | LIU Yan hui 1,LI Ting bin 2,LIU Xiang fa 1,WANG Zhen qing 1,HAN Yan feng 1,BIAN Xiu fang 1 |
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| Abstract: | The influence of small amount of alloy elements magnesium and silicon on the grain refining effect of Al Ti C master alloy is investigated. It is showed that the grain refining effect of Al Ti C master alloy can be promoted by them. And compared with silicon, magnesium is more powerful than silicon in promoting the grain refining effect of Al Ti C master alloy under conditions of the same temperature. The restriction effect of small amount of magnesium on the "temperature action" of Al Ti C master alloy is found. More refined grain size can be obtained when both magnesium and silicon exist in aluminum with small amount. Moreover, the mechanism concerning how the two elements influence the grain refinement effect of Al Ti C master alloy is discussed. |
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| Keywords: | Al Ti C master alloy grain refinement aluminum alloy magnesium silicon |
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