| 铝合金异型曲面件液压成形过程(英文) |
| |
| 引用本文： | 刘欣,徐永超,苑世剑.铝合金异型曲面件液压成形过程(英文)[J].中国有色金属学会会刊,2011(Z2):417-422. |
| |
| 作者姓名： | 刘欣 徐永超 苑世剑 |
| |
| 作者单位： | 哈尔滨工业大学材料科学与工程学院; |
| |
| 基金项目： | Project(50875062)supported by National Natural Science Foundation of China |
| |
| 摘 要： | 针对低塑性铝合金的双曲率异型曲面件"落压"导致废品率高、尺寸一致性差、材料内部组织损伤影响疲劳性能等问题,采用液压成形技术对其进行研究。采用数值模拟和实验方法,对液压作用下的拉深过程及变形方式进行分析;探讨成形过程中起皱、破裂等失效形式及其机理,分析液压对缺陷发生区域典型点的应力状态和应力大小的影响。结果表明,避免缺陷的液室压力区间为10～30MPa;根据不同液压加载路径对异型曲面件横纵截面壁厚影响,确定合理的液室压为20MPa。
|
| 关 键 词： | 铝合金 板材 双曲率 液室压力 |
Hydro-forming of aluminum alloy complex-shaped components |
| |
| LIU Xin,XU Yong-chao,YUAN Shi-jian School of Materials Science , Engineering,Harbin Institute of Technology,Harbin ,China.Hydro-forming of aluminum alloy complex-shaped components[J].Transactions of Nonferrous Metals Society of China,2011(Z2):417-422. |
| |
| Authors: | LIU Xin XU Yong-chao YUAN Shi-jian School of Materials Science Engineering Harbin Institute of Technology Harbin China |
| |
| Affiliation: | LIU Xin,XU Yong-chao,YUAN Shi-jian School of Materials Science and Engineering,Harbin Institute of Technology,Harbin 150001,China |
| |
| Abstract: | Aimed at the high rejection ratio, poor dimensional precision and low fatigue durability for aluminum alloy complex-shaped components with a doubly curved surface, formed by conventional deep drawing and drop stamping, the hydroforming was used to investigate its formability. Based on numerical simulations and experiments, the deformation mode and the process were analyzed during hydromechanical deep drawing. The wrinkle and the fracture were discussed, and the stress state and stress value were explored in... |
| |
| Keywords: | aluminum alloy sheet component doubly-curved surface chamber pressure |
| 本文献已被 CNKI 等数据库收录！ |
|
