山东科学2011，Vol.24Issue(4)：23-27,5.
复合添加Nd与B对AZ91镁合金组织和力学性能的影响
Effects of Nd and B combined addition on microstructure and mechanical properties of AZ91 magnesium alloy
摘要
Abstract
This paper presents the effects of B and Nd combined addition on microstructure and mechanical properties of AZ91 alloy. SEM results show that B and Nd combined addition significantly refines the grain size of α-Mg and β-Mg17Al12 precipitates, Grain refinement is due to the presence of AIB2 particles, nucleants for Mg grains, and Nd addition refines β-Mg17Al12 phases, Al2Nd and Mg12Nd exist on the intermetallic surface. They have high thermal stability and significantly improve mechanical properties of magnesium alloys. Normal temperature mechanical properties of AZ91 alloys are greatly improved due to grain refinement and the presence of Al2Nd and Mg12Nd.关键词
镁合金/硼/钕/微观组织/力学性能Key words
magnesium alloy/Boron/Neodymium/microstructure/mechanical property分类
矿业与冶金引用本文复制引用
赵德刚,田长文,刘运腾,姜利坤,詹成伟..复合添加Nd与B对AZ91镁合金组织和力学性能的影响[J].山东科学,2011,24(4):23-27,5.基金项目
山东省科学院博士基金 （）
济南市科技明星计划 （）
