| 锆和钪对Al-Mg铸造合金组织和力学性能的影响 |
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| 引用本文： | 高红选,卫广智,吴健,张晓燕.锆和钪对Al-Mg铸造合金组织和力学性能的影响[J].有色金属(冶炼部分),2014(5):64-67. |
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| 作者姓名： | 高红选 卫广智 吴健 张晓燕 |
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| 作者单位： | 贵州大学,贵州大学,贵州省冶金化工研究所,贵州大学 |
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| 基金项目： | 贵州省科学技术基金项目(黔科合J字[2011]2026号) |
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| 摘 要： | 通过金相显微镜、拉伸力学性能测试、XRD等手段研究了在铸造Al-Mg合金中添加不同含量的钪和锆后合金的铸态组织。结果表明,合金添加钪和锆后,明显减小了枝晶网胞尺寸,细化了晶粒。当锆和钪的添加量分别为0.2%、0.4%时,铸造Al-Mg合金组织具有良好的综合性能。
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| 关 键 词： | 锆 钪 铸造铝镁合金 微观组织 力学性能 |
| 收稿时间： | 2013/10/28 0:00:00 |
| 修稿时间： | 2013/10/31 0:00:00 |
Effects of Zirconium and Scandium on Microstructure and Mechanical Properties of Al-Mg Casting Alloy |
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| GAOhongxuan,WEIguangzhi,WU Jian and ZHANGxiaoyan.Effects of Zirconium and Scandium on Microstructure and Mechanical Properties of Al-Mg Casting Alloy[J].Nonferrous Metals(Extractive Metallurgy),2014(5):64-67. |
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| Authors: | GAOhongxuan WEIguangzhi WU Jian and ZHANGxiaoyan |
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| Affiliation: | School of Materials and Metallurgy,Guizhou University,Ghuizhou Guiyang 550025 |
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| Abstract: | Microstructures of Al-Mg casting alloy with different amounts of zirconium and scandium were investigated by means of optical microscopy, tensile test and XRD. The results show that the addition of zirconium and scandium will remarkably decrease branching of the dendrites; and the crystal particles of Al-Mg casting alloy are refined. The Al-Mg casting alloy has good comprehensive properties with the addition of 0.2% Zr and 0.4% Sc. |
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| Keywords: | zirconium scandium Al-Mg casting alloy microstructure mechanical property |
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