中南大学学报（自然科学版）2017，Vol.48Issue(5)：1162-1167,6.DOI:10.11817/j.issn.1672-7207.2017.05.006
Al-2Ti变质处理对Zn-6Al-3Mg合金组织与力学性能的影响
Effect of Al-2Ti modification on microstructure and mechanical properties of Zn-6Al-3Mg alloy
摘要
Abstract
The microstructures of Zn-6Al-3Mg alloy modified with Al-2Ti were observed using scanning electron microscopy and its mechanical properties were measured using electron universal testing machine and HVS-5Z/LCD Vickers hardness tester. The effect of adding amount of Al-2Ti and modification temperature on microstructures and mechanical properties of Zn-6Al-3Mg alloy was investigated. The results show that primary Al-fcc exists in the form of fine particles and its volume fraction is the least when Zn-6Al-3Mg alloy is modified with 0.5%Al-2Ti at 500℃. At the same time, the primary MgZn2phase disappears and the volume fraction of binary Zn/Al and ternary Zn/Al/MgZn2 is the most. When the adding amount of Al-2Ti is 0.5%, the Zn-6Al-3Mg alloy modified at 500℃ possesses the highest tensile strength and elongation. At this condition, the comprehensive mechanical properties of the alloy are the best.关键词
Zn-6Al-3Mg合金/变质处理/显微组织/力学性能Key words
Zn-6Al-3Mg alloy/modification treatment/microstructure/mechanical properties分类
矿业与冶金引用本文复制引用
杨巧燕,吴长军,彭浩平,苏旭平,王建华..Al-2Ti变质处理对Zn-6Al-3Mg合金组织与力学性能的影响[J].中南大学学报（自然科学版）,2017,48(5):1162-1167,6.基金项目
国家自然科学基金资助项目(51271041,51271040) （51271041,51271040）
江苏高校优势学科建设工程项目和常州市工业支撑项目(CE20130085) (Projects(51271041, 51271040) supported by the National Natural Science Foundation of China （CE20130085）
Project(CE20130085) supported by Jiangsu Colleges Advantage Discipline Construction Projects and Changzhou Industry) （CE20130085）
