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Grain refinement of Mg-Al magnesium alloys by carbon inoculation

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【作者】 王朝辉康永林赵鸿金徐跃

【Author】 WANG Zhao-hui,KANG Yong-lin,ZHAO Hong-jin XUYue School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China

【机构】 School of Materials Science and Engineering University of Science and Technology BeijingBeijing 100083ChinaSchool of Materials Science and EngineeringUniversity of Science and Technology Beijing

【摘要】 <正>C2Cl6 was used as grain refiner for AM60 magnesium alloys. The effects of grain refinement process on chemical composition, microstructure, impact energy, hardness and mechanical properties of magnesium alloys were investigated with XRF spectrometer, optical and electronic microscopes, pendulum impact tester, hardness tester and MTS material testing machine. The results show that C2Cl6 has good effects on microstructure and mechanical properties of AM60 magnesium alloys. The optimum usage of C2Cl6 in AM60 for getting the best properties is 1.0%. The results of electronic microscopic examination and theoretical analyses show that Al4C3 should be the potent heterogeneous nucleant for Mg-Al magnesium alloys.

【Abstract】 C2Cl6 was used as grain refiner for AM60 magnesium alloys. The effects of grain refinement process on chemical composition, microstructure, impact energy, hardness and mechanical properties of magnesium alloys were investigated with XRF spectrometer, optical and electronic microscopes, pendulum impact tester, hardness tester and MTS material testing machine. The results show that C2Cl6 has good effects on microstructure and mechanical properties of AM60 magnesium alloys. The optimum usage of C2Cl6 in AM60 for getting the best properties is 1.0%. The results of electronic microscopic examination and theoretical analyses show that Al4C3 should be the potent heterogeneous nucleant for Mg-Al magnesium alloys.

【基金】 Project(2002AA336080) supported by the Projects of Development Plan of the State High-technology Research of China
  • 【文献出处】 Transactions of Nonferrous Metals Society of China ,中国有色金属学会会刊(英文版) , 编辑部邮箱 ,2006年S3期
  • 【分类号】TG111
  • 【被引频次】11
  • 【下载频次】85
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