Study on the Effect of Homemade Welding Wire Contaning Ni, Cr Elements on the Weldability of Industrial Pure Aluminum

Abstract:

Industrial pure aluminum has been widely used in industry. However, it caused great difficulties in welding process due to its characteristics such as easy oxidation, high thermal conductivity and specific volume, low melting point. In order to overcome this problem, improving the welding quality of industrial pure and reducing the welding defects is of great significance. In this paper, the weldability of 1050A industrial pure aluminum plate (5 mm thick) with HS331, SAl-2, 1050A leftover materials and homemade welding wire with Ni-Cr alloy as four different filler materials was studied by using manual TIG welding. Metallographic test and mechanical performance test were used to assess microstructure and mechanical properties of the resulting welding joint. The results show that the microstructure and mechanical properties of the resulting welding joint with homemade welding wire with Ni-Cr alloy is relatively better than the others, which offers important implication for the improvement of the welding properties of industrial pure aluminum.

• Periodical: Advanced Materials Research (Volumes 834-836)
• Pages: 839-842
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.834-836.839
• Online since: October 2013
• Authors: Yan Hong Zhao, Liang Jun Gao, Yong Sun, Wen Dong Song
• Keywords: Industrial Pure Aluminum, Ni-Cr Alloy, Welding Performance

References

[1] Yuan, H.X. Study on Effect of welding materials and procedures on weldability of aluminum alloys. Chongqing University , China (2006), pp.23-30. (In Chinese).

[2] Xu, S.Q. Journal of Taiyuan University of Technology, VOL. 34(2003), No. 4, p.1. (In Chinese).

[3] Yao. C.Y. Journal of Chemical Industry & Engineering, VOL. 20(2002), No. 1, pp.2-3. (In Chinese).

[4] Liu, W.Q. Joumal of Nanhua University (Science and Technology), VOL. 23(2006), No. 6, pp.1-3. (In Chinese).

[5] Sutton, M. A., Yang, B., Reynolds, A. P. , et al. Materials Science and Engineering, VOL. 323(2002), No. 3, pp.160-166.