Abstract: During continuous extrusion, the combination of extrusion and weld formation of two billets is suitable for the extrusion of aluminum alloy pa-nels. However, the weld is formed at the confluence of two billets during parallel extrusion. In this study, the influences of the width-to-thickness ratio on the welding parameters and the welding properties of the product were investigated through microstructure observation, tensile test, SEM and finite element simulation analysis. The evaluation model for predicting the welding quality of product of continuous extrusion was established. The results show that with the ratio of width-to-thickness increases from 10 to 40, the deformation of the metal increases gradually, the weld seam gradually becomes fine, and the welding quality of the product is improved. Based on the results of numerical simulation, the variation rules of J welding parameters on the effective welding path excluding dead metal zone are analyzed. It is concluded that J values of characteristic points have two peaks at the starting point of welding path and die port, which are caused by the maximum welding pressure and the maximum equivalent strain rate respectively. With the increase of width-to-thickness ratio, J value shows a trend of rapidly increasing first and then slowly increasing, which is in agreement with the results of tensile test. So it can predict the welding quality of continuous extrusion with double billets accurately.
赵颖, 裴久杨, 郭丽丽, 运新兵, 马怀超, 李冰. 宽厚比对双杆连续挤压6063铝合金焊合质量的影响[J]. 材料导报, 2020, 34(24): 24114-24120.
ZHAO Ying, PEI Jiuyang, GUO Lili, YUN Xinbing, MA Huaichao, LI Bing. Effect of Width-to-thickness Ratio of Product on the Welding Quality of 6063 Aluminum Alloy During Continuous Extrusion with Double Billets. Materials Reports, 2020, 34(24): 24114-24120.
1 Deng Y L, Zhang X M. The Chinese Journal of Nonferrous Metals Society, 2019, 29(9), 2115(in Chinese). 邓运来,张新明.中国有色金属学报, 2019, 29(9),2115. 2 He M Q, Liu J A, Xie S S.Aluminum Fabrication, 2016 (6), 46 (in Chinese). 何梅琼, 刘静安, 谢水生.铝加工,2016(6), 46. 3 Tong J L.World Nonferrous Metals, 2019 (21), 156 (in Chinese). 童金林. 世界有色金属, 2019(21), 156. 4 Ruan H S.World Nonferrous Metals, 2019(19), 213 (in Chinese). 阮红生. 世界有色金属, 2019(19), 213. 5 Wang G H,Yun X B,Pei J Y,et al.Journal of Plasticity Engineering, 2018, 25 ( 3), 47(in Chinese). 王跟浩,运新兵,裴久杨,等. 塑性工程学报, 2018, 25(3), 47. 6 Akeret R. Journal of the Japan Institute of Metals, 1972, 10, 202. 7 Plata M, Piwnik J.In: Proceedings of Seventh International Aluminum Extrusion Technology Seminar ET. Chicago, Illinois USA. 2000. 8 Donati L, Tomesani L. Journal of Materials Processing Technology, 2004, 153-154, 366. 9 Silvia B, Maurizio V, Daniele L, et al. Metallurgical Science and Technology, 2009, 27(2), 20. 10 Sheppard T, Niu L, VelayX. Materials Science and Technology, 2013, 29(1), 60. 11 Yu J Q, Zhao G Q, Chen L.Journal of Materials Processing Technology, 2016, 237, 31. 12 Donati L, Tomesani L.Journal of Materials Processing Technology, 2005,164-165, 1025. 13 Donati L, KhalifaNooman Ben, Tomesani L. Key Engineering Materials, 2012, 504-506, 523. 14 Khan Y A, Valberg H, Jacobsen B O T. International Journal of Material Forming, 2010, 3, 379. 15 Xue J P, Huang D N, Zuo Z Z, et al. The Chinese Journal of Nonferrous Metals Society, 2018, 28(7), 1291 (in Chinese). 薛江平, 黄东男, 左壮壮,等. 中国有色金属学报, 2018, 28(7), 1291. 16 Yu J, Zhao G, Cui W, et al. Journal of Materials Processing Technology, 2017, 247, 214. 17 Nakasaki M, Takasu I, Utsunomiya H.Journal of Materials Processing Technology, 2006, 177, 521. 18 Zhao Y, Song B Y, Yan Z Y,et al. Journal of Materials Processing Technology, 2016, 235, 149. 19 Zhao Y, Song B Y, Pei J Y,et al. Journal of Materials Processing Technology, 2013, 213, 1855. 20 He Y L, Gao F, Song B Y,et al. Materials Science Form, 2012, 706-709, 1781. 21 Chen G Q, Fu G S, Cheng C Z,et al. Transactions of Materials and Heat Treatment, 2012, 33(10), 26(in Chinese). 陈贵清,傅高升,程超增, 等.材料热处理学报,2012,33(10),26.
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2020, Vol. 34 
