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塑性工程学报 第15卷 Forging of Microparts[ JI. Key Engineering Materials 5展望 2003.233-236:449-456 [8 P Picard, J F Michel. Effects of Size and Texture on the 微机电系统的提出和技术上的实现为塑性微成 Constitutive Behavior for very Small Components in 形技术的发展提供了空间。但是塑性微成形技术不 Sheet Metal Forming A]. M. Geiger. Proceeding of the 同于传统的塑性成形,传统的理论不能很好地应用 6th ICTP[C], Nuremberg, Bavaria, Germany, 1999: 于塑性微成形技术,还存在许多问题需要予以解决 [9] A Messner, U Engel, R Kals, F Vollertsen. Size Effects 这些问题将是塑性微成形技术未来的发展方向。 in the FE-Simulation of Microforming Processes [J]. 成形工件尺寸非常小,出现明显的尺寸效应, Journal of Materials Processing Technology, 1994. 45 这一现象与试件尺寸、微观组织结构、润滑条件、 371376 成形工艺参数等因素相关,由于尺寸效应带来的材[10 M Geiger, U Engel, F Vollersten, REals, A Messner 料性能和变形流动规律的变化,将是微成形技术的 rts for Electronics[J].Pro- 研究重点之 duction Engineering, 1994. 2(1): 15-18 新型的模具加工技术、夹具、测量和分析方法[11 M Geiger., A Messner,UEng. Production of Microp- 以及新型的成形设备,将是塑性微成形技术发展的 arts-Size Effects in Bulk Metal Forming, Similarity 另一个重要方向。成形件尺寸小,成形精度高,需 TheoryLJJ. Production Engineering, 1997. 4(1): 55-58 要依靠辅助设备才能完成,良好的自动控制手段和12MGg; A Messner, U Enge,Rkh; F Vollertse 高精度的测量方法将是其重要的一环。 terial Dada and Friction BehaviorlC]. Proceeding of the 随着研究的不断深人,塑性微成形技术会有更 9th International cold forging conference, 1995: 155-164 大的发展。 [13 Y Shen, H P Yu, X Y Ruan, X F Yin. The Test Study of Micro Copper Cylinder UpsettingLA]. Z. R. wang 参考文献 T.A. Dean. Proceeding of the lst ICNFTLCI. Harbin China,2004:165-170 [I] HGCraihead. Nanoelectromechanical Systems[J] [14]申昱,于沪平,阮雪榆微小尺度镦挤复合成形工艺研 ence,2000.290(24):1532-1535 究[].塑性工程学报.206,13(1):58-61 [2]T A Kals, R Eckstein, Miniaturization in Sheet Metal [15] U Engel, A Messner, M Geiger. Advanced Concept for WorkinglJ. Journal of Materials Processing Techne the FE- Simulation of Metal Forming Processer for the gy,2000.103:95-101 Production of MicropartsL A]. T. Altan. Proceeding of [3] A Kocanda, T Prejs. The Effect of Miniaturization on the 5th the Final Geometry of the Bent Products[A]. M. Pie- [16] A B Richelsen Size Effects in Sheet Drawing[C].Pro- trzyk, et al. Proceeding of the 8th International Confer ceeding of the 9th International Conference on Sheet ence on Metal Forming[ C], Krakow, Poland,2000:375- Metal,2001.2-4:263-270 [17] Tae-Wan Ku, Sang-Moon Hwang, BeorSoo Kar [4] V Raulea, L E Govaert, F P T Baaijens. Grain and Milli-Component Forming or Rectangular Cup Drawing Specimen Size Effects in Processing Metal Sheets[A] LJI. Journal of Materials Processing Technology. 200 M. Geiger. Proceeding of the 6th ICTP[C], Nurem- 113:749-753 berg, Bavaria, Germany, 1999: 939-944 [18] R Eckstein, M Geiger, U Engel. Specific Characteristics [ LVRaulea, A M Goijaerts, L E Govaert, F PT.Ba of Micro Sheet Metal Working [C]. Proceeding of ens. Size Effects in the Processing of Thin Metal Sheet SheEt.1999.27-28:529-536 [I. Journal of Materials Processing Technology, 2001. [19 R Eckstein, U Engel. Behavior of the Grain Structure in Micro Sheet Metal Working LA]. M. Pietrzyk, et al. [6 P Picard, J F Michel. Characterization of the Constitu- Proceeding of the 8th International Conference on Me Behavior for very Small Components in Sheet Met al FormingLC. Krakow, Poland, 2000: 453-459 al FormingLC]. Proceeding of the 2nd ESAFORM con- [20] M Geiger, M Kleiner, R Eckstein. Microforming[j] ference on material forming, 1999: 169-170 Annals of the CIRP. 2001. 50(2):445-462 [7 U Engel, E Egerer Basic Research on Cold and w [21] K Yoshida, M Maejima Optimum Drawing Conditions52 塑性工程学报 第 15卷 5 展 望 微机电系统的提出和技术上的实现为塑性微成 形技术的发展提供了空 间。但是 塑性微成形技术不 同于传统的塑性成形 ,传统的理论不能很好地应用 于塑性微成形技术 ,还存在许多问题需要予以解决 , 这些问题将是塑性微成形技术未来的发展方向。 成形工件尺 寸非常小 ,出现 明显 的尺寸效应 , 这一现象与试 件尺寸、微观组织结构、润滑条件、 成形工艺参数等因素相关 ,由于尺寸效应带来的材 料性能和变形流动规律的变化 ,将是微成形技术 的 研究重点之一。 新型的模具加工技术、夹具 、测量和分析方法 以及新型的成形设备 ,将是塑性微成形技术发展 的 另一个重要方向。成形件尺寸小 ,成形精度高 ,需 要依靠辅助设备才能完成 ,良好的 自动控制手段和 高精度的测量方法将是其重要的一环 。 随着研究的不断深入 ,塑性微成形技术会有更 大 的发展 。 [1] [2] [3] 4] [5j [6] [7] 参考文献 H GCraihead.NanoelectrornechanicalSystems[J].Sci— ence,2000.290(24):1532—1535 T A Kals,R Eckstein. 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