铸造技术2011，Vol.32Issue(2)：206-209,4.
低压脉冲磁场和微量Sr对ZL114A合金凝固组织的影响
Effects of Low Voltage Pulsed Magnetic Field and Tiny Sr on Mirostructure of Zl114A Alloy
摘要
Abstract
The influences of different pulse voltages and Sr contents on solidified structures of ZL114A alloy under low-voltage pulsed magnetic field were investigated in this paper. The results show that primary phase and eutectic Si of the alloy can be refined obviously by low voltage pulsed magnetic field and tiny Sr. When pulse voltage is 0～250 V, with the increases of pulse voltage,grain size of the alloy decreases and primaryphase changes from well developed dendrite to rose shaped crystal, but the magnetic field has little effect on eutectic Si. When the pulse voltage is 200 V and the Sr content is 0～0.06％, average length of eutectic Si decreases with the increase of Sr content and the shape of eutectic Si changes from long needle like to fine granular or cosh, but the shape of primary phase has no obvious change.关键词
低压脉冲磁场/Sr/ZL114A合金分类
矿业与冶金引用本文复制引用
周全,陈乐平,尹健..低压脉冲磁场和微量Sr对ZL114A合金凝固组织的影响[J].铸造技术,2011,32(2):206-209,4.基金项目
江西省自然科学基金资助项目(项目编号:2008GQC0035) （项目编号:2008GQC0035）
