搅拌头机械载荷在搅拌摩擦焊接中的作用的数值分析

金属学报, 2009, 45(8): 994-999. doi: 10.3321/j.issn:0412-1961.2009.08.016

搅拌头机械载荷在搅拌摩擦焊接中的作用的数值分析

鄢东洋 ^1, , 史清宇 ^2, , 吴爱萍 ^3, , Juergen Silvanus ^4,

基金项目: 国家高技术研究发展计划(863计划)(2006AA042139) 国家自然科学基金(50875146)

NUMERICAL ANALYSIS ON THE FUNCTIONS OF STIR TOOL'S MECHANICAL LOADS DURING FRICTION STIR WELDING

利用数值模拟技术分析搅拌头机械载荷在焊接过程中的作用,通过对比只考虑热载荷,考虑热载荷和搅拌头的下压力,综合考虑热载荷、搅拌头下压力和工作扭矩三种条件下的应力,应变和变形,结果发现,搅拌头下压力使焊后残余应力值大幅下降;搅拌头的工作扭矩是焊后残余应力、应变不对称分布的重要影响因素;并且搅拌头机械载荷使得薄板焊后残余变形的模式发生了完全相反的变化,由不考虑搅拌头载荷时的马鞍状变成了反马鞍状.

参考文献

[1]	Thomas W M,Nicholas E D,Needham J C,Murch M G,Templesmith P,Dawes C J.Gr Br Pat Appl No.9125978.8,1991
[2]	Mishra R S,Ma Z Y.Mater Sci Eng,2005; R50:1
[3]	Colligan K.Weld J,1999; 78:229
[4]	Li Y,Murr L E,McClure J C.Scr Mater,1999; 40:1041
[5]	Sutton M A,Yang B,Renolds A P,Taylor R.Mater Sci Eng,2002; A323:160
[6]	Xu S,Deng X,Reynolds A P,Seidel T U.Sci Technol Weld Join,2001; 6:191
[7]	Khandkar M Z H,Khan J A,Reynolds A P,Sutton M A.J Mater Process Technol,2006; 174:195
[8]	Zhu X K,Chao Y J.J Mater Process Technol,2004; 146:263
[9]	Shi Q Y,Dickerson T L,Shercliff H R.Proe 4th Int Syrup on Friction Stir Welding,Park City:TWI Center,2003(CD-ROM)
[10]	Li T,Shi Q Y,Li H K.Sci Technol Weld Join,2007; 12:664
[11]	Zhang Z,Zhang H W.J Mater Process Technol.2009;209:241
[12]	Zhang Z,Zhang H W.Sci Technol Weld Join.2007; 12:226
[13]	Vijay S,Srdja Z,Kovacevic R.Int J Mach Tool Manuf,2005; 45:1577
[14]	Buffs G,Fratini L,Pasta S,Shivpuri R.CIRP AnnalsManuf Technol.2008; 57:287
[15]	Paun F,Azouzi A.Proceedings of the 8th International Conference on Numerical Methods in Industrial Forming Processes,13-17 June 2004,Columbus,USA:Ohio State University.2004:1197
[16]	Grimvall G.Thermophysical Properties of Materials:Non Metallic Solids.New York:Elsevier,1999:243
[17]	Parrott J E,Stuckes A D.Thermal Conductivity of Solids,London:Pion,1975:156
[18]	Zhang Z L,Silvanus J,Li H K,Shi Q Y.Sci Technol Weld Join,2008; 13:415
[19]	Gallais C,Denquin A.Proc 5th Int Symp on Friction Stir Welding,France:TWI Center,2004 (CD-ROM)
[20]	Shi Q Y,Dickerson T L,Shercliff H R.In:David S A,DebRoy T,Lippold J C,Smartt H B,Vitek J M,eds.,Proc 6th lnt Conf on Trends in Welding Research,Pine Mountain:ASM International,2003:247
[21]	Simar A,Beckers J L,Pardoen T,Meester B D.Sci Technol Weld Join,2006; 11(2):170
[22]	Vuyst T,Dealvise L D.Proc 5th Int Syrup on Friction Stir Welding,France:TWI Center,2004 (CD-ROM)
[23]	Wu C S.Numerical Analysis for Heat Transfer in Welding Process.Harbin:Harbin Institute of Technology Press,1990:95(武传松.焊接热过程数值分析.哈尔滨:哈尔滨工业大学出版社,1990:95)
[24]	Help Documentation of ABAQUS 6.5.ABAQUS Company,USA.2004
[25]	Yon D Y,Shi Q Y,Wu A P,Silvanus J,Liu Y,Zhang Z L.Acta Metall Sin.2009; 45:183(鄢东洋,史清宇,吴爱萍,Juergen Silvanus,刘园,张增磊.金属学报.2009;45:183)

上一张下一张

计量

下载量()
访问量()

作者相关

文章评分

您的评分：
1

0%
2

0%
3

0%
4

0%
5

0%

材料期刊网

搅拌头机械载荷在搅拌摩擦焊接中的作用的数值分析

NUMERICAL ANALYSIS ON THE FUNCTIONS OF STIR TOOL'S MECHANICAL LOADS DURING FRICTION STIR WELDING

参考文献