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研究生： 阮氏賢
Nguyen Thi Tien
論文名稱： 異質金屬雷射脈衝焊接之參數優化
Optimization of processing parameters for pulsed laser welding of dissimilar metal interconnects
指導教授： 羅裕龍
Lo, Yu-Lung
學位類別： 碩士
Master
系所名稱： 工學院 - 機械工程學系
Department of Mechanical Engineering
論文出版年： 2022
畢業學年度： 110
語文別： 英文
論文頁數： 61
外文關鍵詞： Laser welding, Dissimilar metal interconnect, Parameter optimization, Intermetallic compound (IMC) formation
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    • Table of Contents Abstract i 中文摘要 ii Table of Contents iv List of Tables vii List of Figures viii Chapter 1 Introduction 1 1.1 Preface 1 1.1.1 Brief about Laser Welding 1 1.1.2 Laser welding modes and processing parameters optimization 2 1.2 Background and literature review 5 1.2.1 Challenges and newest innovations of dissimilar metal joints in EV battery systems 5 1.2.2 Review on dissimilar laser welding of Al and Cu interconnection in electrical vehicle (EV) battery systems 11 1.3 The requirements of effective dissimilar joints (Al-Cu) for EV battery interconnections. 12 1.4 Research motivation and objective 13 Chapter 2 Basic theory and methodology 15 2.1 Numerical model 15 2.1.1 Laser beam heat source model 15 2.1.2 Governing equations 17 2.1.3 Driving forces 18 2.1.4 Volume fraction of different materials 20 2.1.5 Boundary conditions 21 2.1.6 Material properties 21 Chapter 3 Experimentation and testing procedures 23 3.1 Experimental setup 23 3.2 Sample preparation 26 3.3 Testing procedures 27 3.3.1 Tensile testing 27 3.3.2 Electrical resistance testing 27 Chapter 4 Simulation validation 29 4.1 Computational model validation 29 4.2 Surrogate modeling of laser welding process 30 Chapter 5 Optimization of pulse laser welding parameters for high Al-Cu joint strength and low electrical resistance 33 5.1 Optimization methodology 33 5.1.1 Melt pool interface width criterion 33 5.1.2 Melt pool penetration depth criterion 34 5.1.3 Cu concentration criterion 35 5.2 Establishment of optimal region in processing map 40 Chapter 6 Experimental results 43 6.1 Microstructure analysis 43 6.1.1 Optical microscopy 43 6.1.2 Electron dispersive spectroscopy (EDS) analysis results 45 6.2 Mechanical shear strength 50 6.3 Electrical contact resistance 51 Chapter 7 Conclusions and Future works 53 7.1 Conclusions 53 7.2 Future works 55 References 56

    References
    [1] S. Katayama, Handbook of laser welding technologies. Elsevier, 2013.
    [2] S. J. Lee, H. Nakamura, Y. Kawahito, and S. Katayama, "Effect of welding speed on microstructural and mechanical properties of laser lap weld joints in dissimilar Al and Cu sheets," Science and Technology of Welding and Joining, vol. 19, no. 2, pp. 111-118, 2014.
    [3] C. Walsh, "Laser welding–literature review," Materials Science and Metallurgy Department, University of Cambridge, England, vol. 1, 2002.
    [4] G. Kelkar, "Pulsed laser welding," WJM Technologies, Cerritos, 2000.
    [5] E. Kannatey-Asibu Jr, Principles of laser materials processing. John Wiley & Sons, 2009.
    [6] A. Chelladurai, K. Gopal, S. Murugan, S. Venugopal, and T. Jayakumar, "Energy transfer modes in pulsed laser seam welding," Materials and Manufacturing Processes, vol. 30, no. 2, pp. 162-168, 2015.
    [7] G. Santos, "Road transport and CO2 emissions: What are the challenges?," Transport Policy, vol. 59, pp. 71-74, 2017.
    [8] M. Zwicker, M. Moghadam, W. Zhang, and C. Nielsen, "Automotive battery pack manufacturing–a review of battery to tab joining," Journal of Advanced Joining Processes, vol. 1, p. 100017, 2020.
    [9] A. Das, D. Li, D. Williams, and D. Greenwood, "Weldability and shear strength feasibility study for automotive electric vehicle battery tab interconnects," Journal of the Brazilian Society of Mechanical Sciences and Engineering, vol. 41, no. 1, p. 54, 2019.
    [10] A. Das, D. Li, D. Williams, and D. Greenwood, "Joining technologies for automotive battery systems manufacturing," World Electric Vehicle Journal, vol. 9, no. 2, p. 22, 2018.
    [11] A. Sadeghian and N. Iqbal, "A review on dissimilar laser welding of steel-copper, steel-aluminum, aluminum-copper, and steel-nickel for electric vehicle battery manufacturing," Optics & Laser Technology, vol. 146, p. 107595, 2022.
    [12] N. Kumar, I. Masters, and A. Das, "In-depth evaluation of laser-welded similar and dissimilar material tab-to-busbar electrical interconnects for electric vehicle battery pack," Journal of Manufacturing Processes, vol. 70, pp. 78-96, 2021.
    [13] T. Solchenbach, P. Plapper, and W. Cai, "Electrical performance of laser braze-welded aluminum–copper interconnects," Journal of Manufacturing Processes, vol. 16, no. 2, pp. 183-189, 2014.
    [14] T. Mai and A. Spowage, "Characterisation of dissimilar joints in laser welding of steel–kovar, copper–steel and copper–aluminium," Materials Science and Engineering: A, vol. 374, no. 1-2, pp. 224-233, 2004.
    [15] S. S. Lee, T. H. Kim, S. J. Hu, W. W. Cai, J. Li, and J. A. Abell, "Characterization of joint quality in ultrasonic welding of battery tabs," in International Manufacturing Science and Engineering Conference, 2012, vol. 54990, pp. 249-261: American Society of Mechanical Engineers.
    [16] Y. Zhou, P. Gorman, W. Tan, and K. Ely, "Weldability of thin sheet metals during small-scale resistance spot welding using an alternating-current power supply," Journal of electronic materials, vol. 29, no. 9, pp. 1090-1099, 2000.
    [17] M. J. Brand, P. A. Schmidt, M. F. Zaeh, and A. Jossen, "Welding techniques for battery cells and resulting electrical contact resistances," Journal of Energy Storage, vol. 1, pp. 7-14, 2015.
    [18] M. Jarwitz, F. Fetzer, R. Weber, and T. Graf, "Weld seam geometry and electrical resistance of laser-welded, aluminum-copper dissimilar joints produced with spatial beam oscillation," Metals, vol. 8, no. 7, p. 510, 2018.
    [19] S. Smith, J. Blackburn, M. Gittos, P. de Bono, and P. Hilton, "Welding of dissimilar metallic materials using a scanned laser beam," in International Congress on Applications of Lasers & Electro-Optics, 2013, vol. 2013, no. 1, pp. 493-502: Laser Institute of America.
    [20] P. Schmitz, J. B. Habedank, and M. F. Zaeh, "Spike laser welding for the electrical connection of cylindrical lithium-ion batteries," Journal of Laser Applications, vol. 30, no. 1, p. 012004, 2018.
    [21] I. Mys and M. Schmidt, "Laser micro welding of copper and aluminum," in Laser-based micropackaging, 2006, vol. 6107, pp. 28-33: SPIE.
    [22] S. Chen, J. Huang, K. Ma, H. Zhang, and X. Zhao, "Influence of a Ni-foil interlayer on Fe/Al dissimilar joint by laser penetration welding," Materials Letters, vol. 79, pp. 296-299, 2012.
    [23] D. R. Sigler and J. G. Schroth, "Battery tab joint by reaction metallurgy," ed: Google Patents, 2013.
    [24] T. Solchenbach and P. Plapper, "Mechanical characteristics of laser braze-welded aluminium–copper connections," Optics & Laser Technology, vol. 54, pp. 249-256, 2013.
    [25] Z. Lei, X. Zhang, J. Liu, and P. Li, "Interfacial microstructure and reaction mechanism with various weld fillers on laser welding-brazing of Al/Cu lap joint," Journal of Manufacturing Processes, vol. 67, pp. 226-240, 2021.
    [26] E. Kaiser, G. Ambrosy, and E. Papastathopoulos, "Welding strategies for joining copper and aluminum by fast oscillating, high quality laser beam," in High-Power Laser Materials Processing: Applications, Diagnostics, and Systems IX, 2020, vol. 11273, p. 112730C: International Society for Optics and Photonics.
    [27] P. Kah, C. Vimalraj, J. Martikainen, and R. Suoranta, "Factors influencing Al-Cu weld properties by intermetallic compound formation," International Journal of Mechanical and Materials Engineering, vol. 10, no. 1, pp. 1-13, 2015.
    [28] W. Huang, H. Wang, T. Rinker, and W. Tan, "Investigation of metal mixing in laser keyhole welding of dissimilar metals," Materials & Design, vol. 195, p. 109056, 2020.
    [29] D. Wu, X. Hua, F. Li, and L. Huang, "Understanding of spatter formation in fiber laser welding of 5083 aluminum alloy," International Journal of Heat and Mass Transfer, vol. 113, pp. 730-740, 2017.
    [30] J. Zhou, H.-L. Tsai, and P.-C. Wang, "Transport phenomena and keyhole dynamics during pulsed laser welding," 2006.
    [31] D. Harrison, D. Yan, and S. Blairs, "The surface tension of liquid copper," The Journal of Chemical Thermodynamics, vol. 9, no. 12, pp. 1111-1119, 1977.
    [32] M. Leitner, T. Leitner, A. Schmon, K. Aziz, and G. Pottlacher, "Thermophysical properties of liquid aluminum," Metallurgical and Materials Transactions A, vol. 48, no. 6, pp. 3036-3045, 2017.
    [33] V. Dimatteo, A. Ascari, and A. Fortunato, "Continuous laser welding with spatial beam oscillation of dissimilar thin sheet materials (Al-Cu and Cu-Al): Process optimization and characterization," Journal of Manufacturing Processes, vol. 44, pp. 158-165, 2019.
    [34] V. Dimatteo, A. Ascari, E. Liverani, and A. Fortunato, "Experimental investigation on the effect of spot diameter on continuous-wave laser welding of copper and aluminum thin sheets for battery manufacturing," Optics & Laser Technology, vol. 145, p. 107495, 2022.
    [35] H.-C. Tran and Y.-L. Lo, "Systematic approach for determining optimal processing parameters to produce parts with high density in selective laser melting process," The International Journal of Advanced Manufacturing Technology, vol. 105, no. 10, pp. 4443-4460, 2019.
    [36] A. Ascari, A. Fortunato, E. Liverani, and A. Lutey, "Application of different pulsed laser sources to dissimilar welding of Cu and Al alloys," in Proceedings of Lasers in Manufacturing Conference (LIM), 2019.
    [37] A. Fortunato and A. Ascari, "Laser welding of thin copper and aluminum sheets: feasibility and challenges in continuous-wave welding of dissimilar metals," Lasers in Manufacturing and Materials Processing, vol. 6, no. 2, pp. 136-157, 2019.
    [38] D. Zuo, S. Hu, J. Shen, and Z. Xue, "Intermediate layer characterization and fracture behavior of laser-welded copper/aluminum metal joints," Materials & Design, vol. 58, pp. 357-362, 2014.
    [39] A. Boucherit, M.-N. Avettand-Fènoël, and R. Taillard, "Effect of a Zn interlayer on dissimilar FSSW of Al and Cu," Materials & Design, vol. 124, pp. 87-99, 2017.
    [40] M. Abbasi, A. K. Taheri, and M. Salehi, "Growth rate of intermetallic compounds in Al/Cu bimetal produced by cold roll welding process," Journal of Alloys and Compounds, vol. 319, no. 1-2, pp. 233-241, 2001.
    [41] S. Yan and Y. Shi, "Influence of Ni interlayer on microstructure and mechanical properties of laser welded joint of Al/Cu bimetal," Journal of Manufacturing Processes, vol. 59, pp. 343-354, 2020.
    [42] S. Yan and Y. Shi, "Influence of laser power on microstructure and mechanical property of laser-welded Al/Cu dissimilar lap joints," Journal of Manufacturing Processes, vol. 45, pp. 312-321, 2019.

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