采用进口ER4047作为填充焊丝对Al - 12.7Si -0.7Mg合金热挤压板材实施脉冲MIG直缝对焊.利用金相观察、显微硬度测定及拉伸性能测试等方法研究了焊接接头的显微组织与力学性能.结果表明:利用优化的焊接工艺参数,获得了外观和内部质量良好的焊缝,焊接接头平均抗拉强度为180 MPa,达到基材的98％.
参考文献
| [1] | Matsuura K.;Kudoh M.;Kinoshita H.;Takahashi H. .Precipitation of Si particles in a super-rapidly solidified Al-Si hypereutectic alloy[J].Materials Chemistry and Physics,2003(2/3):393-395. |
| [2] | XIU Zi-yang,CHEN Guo-qin,WANG Xiao-feng,WU Gao-hui,LIU Yan-mei,YANG Wen-shu.Microstructure and performance of Al-Si alloy with high Si content by high temperature diffusion treatment[J].中国有色金属学报（英文版）,2010(11):2134-2138. |
| [3] | >Gupta;S.Ling .Microstructure and mechanical properties of hypo/hyper-eutectic Al-Si alloys synthesized using a near-net shape forming technique[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,1999(1/2):284-294. |
| [4] | Sano H .Spray formed aluminum alloy finds engine role[J].Metal Powder Report,1994,49(01):26-31. |
| [5] | HeK Z;Yu F X;Zhao D Z et al.Effect of phosphorus modification on the microstructure and mechanical properties of DC cast Al-17.5Si-4.5Cu-1Zn-0.7Mg-0.5Ni alloy[J].Transactions of the Indian Institute of Metals,2009,62(4-5):367-371. |
| [6] | Zuo L;Yu F X;Zhao G et al.A structural material part of a high-Si Mg-containing A1 alloy and the manufacture method[P].China,WO/2009/003365,2009-01-08. |
| [7] | Liu, F.;Yu, F.;Zhao, D.;Zuo, L. .Microstructure and mechanical properties of an Al-12.7Si-0.7Mg alloy processed by extrusion and heat treatment[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2011(10/11):3786-3790. |
| [8] | 赵征,苏生华,杨靖.5A06铝合金MIG焊接工艺研究[J].电焊机,2011(01):70-72. |
| [9] | 田福泉,付高峰,周传良,姜澜.高速列车车厢用的铝合金板焊接接头的组织与性能[J].东北大学学报（自然科学版）,2006(01):49-52. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%