OALib Journal期刊
ISSN: 2333-9721
费用:99美元
|
|
|
高速GMAW驼峰焊道形成过程的数值分析
, PP. 1070-1076
Keywords: 焊接,高速GMAW,驼峰焊道,数值分析
Abstract:
基于高速气体金属电弧焊(GMAW)驼峰焊道形成过程的实验观测结果,充分考虑熔池中后向液体流的动量和热焓,在熔池表面变形方程中加入后向液体流的动能项,并将熔滴热焓分布在整个熔池表面层,建立了高速GMAW驼峰焊道形成过程的数值分析模型.模拟了一定焊接条件下的驼峰焊道形成过程及其三维形状与尺寸,与实测结果进行了对比,证明本文模型能够较好地模拟高速GMAW过程,可定量分析驼峰焊道形成过程.
References
[1] | Nguyen T C, Weckman D C, Johnson D A. Sci Technol
|
[2] | Weld Join, 2005; 10: 447
|
[3] | Hu Z K, Wu C S. Acta Metall Sin, 2008; 44: 119
|
[4] | (胡志坤, 武传松. 金属学报, 2008; 44: 119)
|
[5] | Hu Z K, Wu C S. Chin Weld, 2008; 17(2): 15
|
[6] | Wu C S. Welding Thermal Processes and Weld Pool Behaviors.
|
[7] | Beijing: Machinery Press, 2008: 110
|
[8] | (武传松. 焊接热过程与熔池形态. 北京: 机械工业出版社, 2008: 110)
|
[9] | Wu C S, Dorn L. Acta Metall Sin, 1997; 33: 774
|
[10] | Ueyama T, Ohnawa T, Yamazaki K, Tanaka M, Ushio M,
|
[11] | Nakata K. Trans JWRI, 2005; 34: 11
|
[12] | Bradstreet B J. Weld J, 1968; 47: 314
|
[13] | Gratzke U, Kapadia P D, Dowden J, Kroos J, Simon G. J
|
[14] | Phys, 1992; 25D: 1640
|
[15] | Mendez P F, Eager T W. Weld J, 2003; 82: 296
|
[16] | (武传松, Dorn L. 金属学报, 1997; 33: 774)
|
[17] | Wu C S, Chen J, Zhang Y M. Comput Mater Sci, 2007;
|
[18] | 39: : 635
|
[19] | Jost J, Li-Jost X. Calculus of Variation. Cambridge:
|
[20] | Cambridge University Press, 1998: 20
|
[21] | Cho M H. PhD Thesis. Ohio State University, Columbus,
|
[22] | USA, 2006: 79
|
[23] | Cao Z N, Dong P. Trans ASME, 1998; 120H: 31
|
Full-Text
|
|
Contact Us
service@oalib.com QQ:3279437679 
WhatsApp +8615387084133
|
|