| Zr63Al10Ni10Cu14Nb3大块非晶合金的力学行为研究 |
| |
| 引用本文： | 孙玉峰,袁新,刘晓芳,关绍康. Zr63Al10Ni10Cu14Nb3大块非晶合金的力学行为研究[J]. 郑州大学学报(工学版), 2005, 26(3): 58-60 |
| |
| 作者姓名： | 孙玉峰 袁新 刘晓芳 关绍康 |
| |
| 作者单位： | 郑州大学材料工程学院,河南,郑州,450002 |
| |
| 基金项目： | 中国科学院知识创新工程项目，中国科学院资助项目 |
| |
| 摘 要： | 通过电弧熔炼并利用吸铸的方法制备了长70 mm、直径3 mm的Zr63Al10Ni10Cu14Nb3大块非晶合金.热稳定性分析表明:该合金具有较大的过冷液相区.室温压缩实验显示合金具有很高的屈服强度,在合金发生屈服之后应力-应变曲线上有明显的锯齿现象和一个明显的应变软化阶段.结合断口形貌特征,分析并讨论了非晶合金的剪切断裂机理.
|
| 关 键 词： | 大块非晶合金 剪切带 锯齿流变 应变软化 |
| 文章编号： | 1671-6833(2005)03-0058-03 |
| 修稿时间： | 2005-04-29 |
Mechanical Behavior of Zr63Al10Ni10Cu14Nb3 Bulk Metallic Glass |
| |
| SUN Yu-feng,YUAN Xin,LIU Xiao-fang,GUAN Shao-kang. Mechanical Behavior of Zr63Al10Ni10Cu14Nb3 Bulk Metallic Glass[J]. Journal of Zhengzhou University: Eng Sci, 2005, 26(3): 58-60 |
| |
| Authors: | SUN Yu-feng YUAN Xin LIU Xiao-fang GUAN Shao-kang |
| |
| Abstract: | Zr_(63)Al_(10)Ni_(10)Cu_(14)Nb_3 bulk metallic glass alloys with the 70 mm in length and 3mm in diameter is prepared by arc melting and suction cast into a water-cooled copper mould. The thermal stability analysis reveals that the alloys have a large super-cooled liquid region. Room temperature compression tests show that the alloys have a very high yield strength and obvious strain-softening behavior. Simultaneous serrations can be found on the stress-strain curves after yielding happens. Combined with the fractography of the samples, the fracture mechanism of BMGs are investigated and discussed. |
| |
| Keywords: | bulk metallic glass shear bands serrations strain-softening |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
|
