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Study on Microstructure and Properties of AZ31/6061 GTAW Butt Joints According to Mg-Cd-Al Ternary System

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Abstract

AZ31 Mg and 6061 Al were successfully joined by GTAW method with Cd as filler metal. The tensile strength of the joints reached 170 MPa through this alloying method according to Mg-Cd-Al ternary system. The microstructure, phases, element distribution and fracture mechanism of alloyed joints were studied. The results suggest that the fusion zone is mainly composed of CdMg compounds and Al-based solid solution. A transitional zone thickness of 40-80 μm with few primary Al12Mg17 and fine Al12Mg17-MCMS (MCMS represents a mixture of CdMg and CdMg3 compounds) eutectic is formed between the AZ31 base metal and fusion zone. The fracture surface presents three distinct regions because of the different distribution of Al12Mg17 compounds in the transitional zone. The alloying with Cd filler metal can disperse Al12Mg17 intermetallic compounds and form CdMg ordered compounds with excellent plasticity. Thus, the mechanical properties of alloyed joints have been significantly enhanced.

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References

  1. L.M. Liu, D.X. Ren, and F. Liu, A Review of Dissimilar Welding Techniques for Magnesium Alloys to Aluminum Alloys, Materials, 2014, 7, p 3735–3757

    Article  CAS  Google Scholar 

  2. F. Scherm, J. Bezold, and U. Glatzel, Laser Welding of Mg Alloy MgAl3Zn1 (AZ31) to Al Alloy AlMg3 (AA5754) Using ZnAl Filler Material, Sci. Technol. Weld. Join., 2012, 17, p 364–367

    Article  CAS  Google Scholar 

  3. Y.Y. Wang, G.Q. Luo, J. Zhang, Q. Shen, and L.M. Zhang, Microstructure and Mechanical Properties of Diffusion-Bonded Mg-Al Joints Using Silver Film as Interlayer, Mater. Sci. Eng. A, 2013, 559, p 868–874

    Article  CAS  Google Scholar 

  4. H.T. Zhang and J.Q. Song, Microstructural Evolution of Aluminum/Magnesium Lap Joints Welded Using MIG Process with Zinc Foil as an Interlayer, Mater. Lett., 2011, 65, p 3292–3294

    Article  CAS  Google Scholar 

  5. M.A. Mofid, A. Abdollah-zadeh, and F. Malek, Ghaini. The Effect of Water Cooling During Dissimilar Friction Stir Welding of Al Alloy to Mg Alloy, Mater. Des., 2012, 36, p 161–167

    Article  CAS  Google Scholar 

  6. H. Shi, K. Chen, Z.Y. Liang, and F.B. Dong, Intermetallic Compounds in the Banded Structure and Their Effect on Mechanical Properties of Al/Mg Dissimilar Friction Stir Welding Joints, J. Mater. Sci. Technol., 2017, 33, p 359–366

    Article  Google Scholar 

  7. W. Guo, G.Q. You, G.Y. Yuan, and X.L. Zhang, Microstructure and Mechanical Properties of Dissimilar Inertia Friction Welding of 7A04 Aluminum Alloy to AZ31 Magnesium Alloy, J. Alloys Compd., 2017, 965, p 3267–3277

    Article  Google Scholar 

  8. Mojtaba Jafarian, Alireza Khodabandeh, and Sahebali Manafi, Evaluation of Diffusion Welding of 6061 Aluminum and AZ31 Magnesium Alloys Without Using an Interlayer, Mater. Des., 2015, 65, p 160–164

    Article  CAS  Google Scholar 

  9. W.S. Liu, L.P. Long, Y.Z. Ma, and L. Wu, Microstructure Evolution and Mechanical Properties of Mg/Al Diffusion Bonded Joints, J. Alloys Compd., 2015, 643, p 34–39

    Article  CAS  Google Scholar 

  10. J. Zhang, G.Q. Luo, Y.Y. Wang, Y. Xiao, Q. Shen, and L.M. Zhang, Effect of Al Thin Film and Ni Foil Interlayer on Diffusion Bonded Mg-Al Dissimilar joints, J. Alloys Compd., 2013, 556, p 139–142

    Article  CAS  Google Scholar 

  11. Y.B. Yana, Z.W. Zhang, W. Shen, J.H. Wang, L.K. Zhang, and B.A. Chin, Microstructure and Properties of Magnesium AZ31B-Aluminum 7075 Explosively Welded Composite Plate, Mater. Sci. Eng. A Struct., 2010, 527, p 2241–2245

    Article  Google Scholar 

  12. M. Sun, S.T. Niknejad, G. Zhang, M.K. Lee, L. Wu, and Y. Zhou, Microstructure and Mechanical Properties of Resistance Spot Welded AZ31/AA5754 Using a Nickel Interlayer, Mater. Des., 2015, 87, p 905–913

    Article  CAS  Google Scholar 

  13. J. Shang, K.H. Wang, Q. Zhou, D.K. Zhang, J. Huang, and G.L. Li, Microstructure Characteristics and Mechanical Properties of Cold Metal Transfer Welding Mg/Al Dissimilar Metals, Mater. Des., 2012, 34, p 559–565

    Article  CAS  Google Scholar 

  14. F. Liu, Z.D. Zhang, and L.M. Liu, Microstructure Evolution of Al/Mg Butt Joints Welded by Gas Tungsten Arc with Zn Filler Metal, Mater. Charact., 2012, 69, p 84–89

    Article  CAS  Google Scholar 

  15. L.M. Liu, F. Liu, and M.L. Zhu, Study on Mg/Al Weld Seam Based on Zn-Mg-Al Ternary Alloy, Materials, 2014, 7, p 1173–1187

    Article  CAS  Google Scholar 

  16. H.Y. Wang, Z.D. Zhang, and L.M. Liu, The Effect of Galvanized Iron Interlayer on the Intermetallics in the Laser Weld Bonding of Mg to Al Fusion Zone, J. Mater. Eng. Perform., 2013, 22, p 351–357

    Article  CAS  Google Scholar 

  17. M. Gao, S.W. Mei, X.Y. Li, and X.Y. Zeng, Characterization and Formation Mechanism of Laser-Welded Mg and Al Alloys Using Ti Interlayer, Scr. Mater., 2012, 67, p 193–196

    Article  CAS  Google Scholar 

  18. Z. Moser, W. Gasior, and J. Wypartowicz, The Cd-Mg (Cadmium-Magnesium) system, Alloys Phase Diagr., 1984, 5, p 23–30

    Article  CAS  Google Scholar 

  19. L.J. Zhou, K.H. Su, Y.L. Wang, Q.F. Zeng, and Y.L. Li, First-Principles Study of the Properties of Li, Al and Cd Doped Mg Alloys, J. Alloys Compd., 2014, 596, p 63–68

    Article  CAS  Google Scholar 

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Acknowledgments

This work was supported by the National Key Research and Development Program of China (2018YFB1107902) and the National Natural Science Foundation of China (No. U1764251).

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Authors and Affiliations

  1. Key Laboratory of Liaoning Advanced Welding and Joining Technology, School of Materials Science and Engineering, Dalian University of Technology, Dalian, 116024, China

    Liming Liu, Xinze Lv & Hongyang Wang

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  1. Liming Liu
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  2. Xinze Lv
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  3. Hongyang Wang
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Correspondence to Liming Liu.

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Liu, L., Lv, X. & Wang, H. Study on Microstructure and Properties of AZ31/6061 GTAW Butt Joints According to Mg-Cd-Al Ternary System. J. of Materi Eng and Perform 27, 5879–5888 (2018). https://doi.org/10.1007/s11665-018-3655-5

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  • DOI: https://doi.org/10.1007/s11665-018-3655-5

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