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| 晶粒细化剂对Al-Mg-Si铝合金组织和性能的影响 | |
| 引用本文： | 张中可,李家锐,车云.晶粒细化剂对Al-Mg-Si铝合金组织和性能的影响[J].铸造技术,2012,33(5):537-539. |
| 作者姓名： | 张中可 李家锐 车云 |
| 作者单位： | 1. 贵州科学院,贵州贵阳550001;贵州华科铝材料工程技术研究有限公司,贵州贵阳550014 2. 贵州大学材料科学与冶金学院,贵州贵阳,550003 3. 贵州铝厂,贵州贵阳550014;贵州华科铝材料工程技术研究有限公司,贵州贵阳550014 |
| 基金项目： | 国家科技支撑计划资助项目(2007BAE09B02);贵州省科技重大专项资助项目([2010]6007号);贵阳市重大专项资助项目〔2010第6-02号〕 |
| 摘 要： | 研究了进口Al-Ti-B和自制Al-Ti-B-RE晶粒细化剂对Al-Mg-Si铝合金组织和综合力学性能的影响.结果表明,加入2种中间合金都能显著细化Al-Mg-Si铝合金的晶粒尺寸,对力学性能和布氏硬度也都有不同程度的提高.Al-Mg-Si铝合金的晶粒尺寸随着自制中间合金加入量的增加逐渐减小,当加入量为0.2％时,合金铸态组织性能和综合力学性能最好. |
| 关 键 词： | Al-Mg-Si铝合金 晶粒细化剂 微观组织 力学性能 |
Effect of Grain Refiner on Microstructure and Mechanical Properties of Al-Mg-Si Alloy |
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| ZHANG Zhong-ke , LI Jia-rui , CHE Yun.Effect of Grain Refiner on Microstructure and Mechanical Properties of Al-Mg-Si Alloy[J].Foundry Technology,2012,33(5):537-539. | |
| Authors: | ZHANG Zhong-ke LI Jia-rui CHE Yun |
| Affiliation: | 3,4(1.Guizhou Academy of Sciences,Guiyang 550001,China;2.College of Material and Metallurgy,Guizhou University,Guiyang 550003,China;3.Guizhou Aluminium Branch,Guiyang 550014,China;4.Guizhou Huake Aluminum Materials Engineering Research Co.,Ltd.,Guiyang 550014,China) |
| Abstract: | The influence of grain refiners of imported Al-Ti-B and homemade Al-Ti-B-RE on the microstructure and comprehensive mechanical properties of Al-Mg-Si aluminum alloy was investigated.The results show that,when adding imported Al-Ti-B or homemade Al-Ti-B-RE grain refiners into Al-Mg-Si alloy,the grain size of the alloy refines and the mechanical properties and Brinell hardness increases.The grain size of Al-Mg-Si alloy decreases with the increase of the addition of homemade grain refiner,and when the addition is 0.2%,the microstructure and comprehensive mechanical properties of the alloy ingot are the best. |
| Keywords: | Al-Mg-Si Al-alloy grain refiners microstructure mechanical properties |
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