全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...
金属学报  2005 

搅拌摩擦焊接过程中搅拌头转速对材料流动的影响

, PP. 853-859

Keywords: 搅拌摩擦焊接,转速,有限元分析

Full-Text   Cite this paper   Add to My Lib

Abstract:

使用有限元方法模拟了不同搅拌头转速下,搅拌摩擦焊接过程中Al6061--T6材料的三维流动,以及材料流动与搅拌头转速的关系.结果表明,在搅拌摩擦焊接过程中,后退侧的材料流动较前进侧更为剧烈,并且随着搅拌头转速的增加,材料流动也会得到不同程度增强.搅拌头前方的材料在搅拌头的推动作用下向上涌起,被旋推到搅拌头后方并向下运动,该过程的周而复始是促使搅拌摩擦焊接顺利完成的主要原因.等效塑性应变等值线的形状与材料热影响区、热力影响区以及搅拌区的边界形状具有较好的对应关系,随着搅拌头转速的增加,等效塑性应变随之增加.

References

[1]  Su J Q, Nelson T W, Mishra R, Mahoney M. Acta Mater, 2003; 51: 713
[2]  Ma Z Y, Mishra R S, Mahoney M W. Acta Mater, 2002; 50: 4419
[3]  Sutton M A, Yang B, Reynolds A P, Taylor R. Mater Sci Eng, 2002; A323: 160
[4]  Kwon Y J, Shigematsu I, Saito N. Scr Mater, 2003; 49: 785
[5]  Rhodes C G, Mahoney M W, Bingel W H, Calabrese M. Scr Mater, 2003; 48: 1451
[6]  Reynolds A P, Tang W, Gnaupel-Herold T, Prask H. Scr Mater, 2003; 48: 1289
[7]  Uzun H, Donne C D, Argagnotto A, Ghidini T, Gambaro C. Mater Des, 2005; 26: 41
[8]  Xu S, Deng X, Reynolds A P, Seidel T U. Sci Technol Weld Joining, 2001; 6: 191
[9]  Xu S, Deng X. Proc 21st Southeastern Conf Theoretical Applied Mechanics XXI, Orlando: University of Central Florida, 2002: 699
[10]  Chao Y J, Qi X, Tang W. J Manuf Sci Eng, 2003; 125: 138
[11]  Song M, Kovacevic R. Int J Mach Tools Manuf, 2003; 43: 605
[12]  Zhu X K, Chao Y J. Mater Process Technol, 2004; 146: 263
[13]  Brown W F, Mindlin H, Ho C Y. Aerospace Structural Metals Handbook, Purdue University, 1993: 8
[14]  McClure J C, Feng Z, Tang W, Gould J E, Murr L E, Guo X. In: Vitek J M ed, Proc 5th Int Conf on Trends in Welding Research, Pine Mountain, 1998: 590
[15]  Tang W, Guo X, McClure J C, Numes L E. J Mater Process Manuf Sci, 1998; 7(2): 163
[16]  Colegrove P, Painter M, Graham D, Miller T. Proc 2nd Int Symp on Friction Stir Welding, Gothenburg: TWI World Center, 2000: 1624

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133