铸造2017，Vol.66Issue(3)：294-297,4.
熔体处理对A356合金组织和性能的影响
Effect of Melt Treatment on Mechanical Properties and Microstructures of A356 Alloy
摘要
Abstract
The effect of different modification in electromagnetic levitation melting A356 aluminium alloy on its microstructures and mechanical properties under the conditions with the output current of 70 A,the heating time for 5 min was investigated by optical microscopy (OM),scanning electron microscopy (SEM),energy dispersive X-ray spectroscopy (EDS).The results show that the tensile strength and elongation of different melt processing of A356 increased with the continuous improvement,the tensile strength and elongation of A356 aluminium alloy melting in electromagnetic levitation and adding Al-10Sr+Al-5Ti-1B-1RE refiner was the highest;vacuum electromagnetic levitation melting can get more dense microstructures,Al-5Ti-1B-1RE by reducing free energy and Al-10Sr by generating high melting point compounds increase the heterogeneous nucleation to grain refine,they interact each other to achieve the best effect.关键词
A356/磁悬浮熔炼/力学性能/显微组织Key words
A356/electromagnetic levitation melting/mechanical properties/microstructures分类
矿业与冶金引用本文复制引用
张亮,司乃潮,王宏健..熔体处理对A356合金组织和性能的影响[J].铸造,2017,66(3):294-297,4.基金项目
江苏高校品牌专业建设工程资助项目(PPZY2015C235). （PPZY2015C235）
