针对AZ31镁合金等温拉深性能差的问题,提出了AZ31镁合金的非等温拉深工艺.通过平底杯形冲头拉深试验研究了不同冲头温度和板料温度对AZ31镁合金非等温拉深性能的影响,确定了使AZ31镁合金具有最佳拉深性能的板料和冲头温度范围.实验结果表明,除了板料和冲头温度之外,拉深速度和润滑条件对AZ31镁合金的非等温拉深性能也有重要影响.
参考文献
| [1] | N. Ogawa;M. Shiomi;K. Osakada .Forming limit of magnesium alloy at elevated temperatures for precision forging[J].International Journal of Machine Tools & Manufacture: Design, research and application,2002(5):607-614. |
| [2] | H. Kehler;R. Bode;H. Haddenhorst .Partikelverstarkte Leichtmetalle[J].Metall,1995(3):191-195. |
| [3] | H. Takuda;T. Yoshii;N. Hatta .Finite-element analysis of the formability of a magnesium-based alloy AZ31 sheet[J].Journal of Materials Processing Technology,1999(0):135-140. |
| [4] | H. Takuda;H. Fujimoto;N. Hatta .Modelling on flow stress of MG-Al-Zn alloys at elevated temperatures[J].Journal of Materials Processing Technology,1998(0):513-516. |
| [5] | ASM Speciality Handbook- Magnesium and MagnesiumAlloys[M].Material Park, Ohio:ASM International,1999 |
| [6] | E. Doege;K. Droder .sheet metal forming of magnesium wrought alloys--formability and process technology[J].Journal of Materials Processing Technology,2001(1):14-19. |
| [7] | Watanabe H.;Mukai T.;Kohzu M.;Tanabe S.;Higashi K.;Tsutsui H. .Deformation mechanism in a coarse-grained Mg-Al-Zn alloy at elevated temperatures[J].International Journal of Plasticity,2001(3):387-397. |
| [8] | Shyong Lee;Yung-Hung Chen;Jian-Yih Wang .Isothermal sheet formability of magnesium alloy AZ31 and AZ61[J].Journal of Materials Processing Technology,2002(1/2):19-24. |
| [9] | Eckart Doege;Klaus Droeder .PROCESSING OF MAGNESIUM SHEET METALS: by Deep Drawing and Stretch Forming[J].Materiaux & Techniques,1997(7/8):19-23. |
| [10] | Masahide Kohzu;Fusahito Yoshida;Hidetoshi Somekawa .Fracture Mechanism and Forming Limit in Deep-Drawing of Magnesium Alloy AZ31[J].Materials transactions,2001(7):1273-1276. |
| [11] | Semiation S L;JONAS J J.Formability and Workability of Metals-Plastic instability and flow localization[M].American Society for Metals,Metals Park,1984 |
| [12] | 俞汉清;陈金德.金属塑性成形原理[M].北京:机械工业出版社,1999 |
| [13] | 王凤琴,赵军,官英平,马丽霞.盒形件拉深过程中法兰区应力解析[J].哈尔滨工业大学学报,2003(04):488-490. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%