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The International Journal of Advanced Manufacturing Technology
Published in: The International Journal of Advanced Manufacturing Technology 5-8/2019

18-07-2019 | ORIGINAL ARTICLE

Porosity formation and its effect on the properties of hybrid laser welded Al alloy joints

Authors: Shaohua Yan, Zhongyin Zhu, Chuanping Ma, Qing-H. Qin, Hui Chen, Y. N. Fu

Published in: The International Journal of Advanced Manufacturing Technology | Issue 5-8/2019

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Abstract

Laser-arc welding is increasingly applied for joining aluminum alloys. A critical issue in laser-arc welding Al alloys is the existence of pores which can significantly influence the in-service properties of the welded joints. How to control the porosity, therefore, is of importance in both academic and industrial worlds. In this paper, effects of welding parameters on the degree of porosity in welded joints were investigated. The distribution and size of pores were characterized by X-ray and synchrotron radiation X-ray detection methodology. It was found that the porosity was successfully controlled by adjusting welding parameters. Specifically, the macropores were reduced dramatically by increasing arc currents and decreasing laser powers. Macropore-free joints were obtained with some welding parameters. The mechanism of controlling macropores was presented. Moreover, the results from mechanical testing showed that the pores did not obviously influence the mechanical properties for low percentage of porosity in the range of near 0 to 4%, but decreased the fatigue strength of the joints. EBSD results illustrated that the grain size of the fusion zone was about 74 ± 58 μm, and no obvious texture was found within the fusion zone.
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Literature
1.
Yan S, Nie Y, Zhu Z, Chen H, Gou G, Yu J, Wang G (2014) Characteristics of microstructure and fatigue resistance of hybrid fiber laser-MIG welded Al–Mg alloy joints. Appl Surf Sci 298:12–18CrossRef
2.
Kutsuna M, Yan Q (1998) Study on porosity formation in laser welds in aluminium alloys Report 1 Effects of hydrogen and alloying elements. Weld Int 12:937–949CrossRef
3.
Zhang D, Li C, Liu X, Cao Y, Wu D (2018) Numerical study of spatter formation during fiber laser welding of aluminum alloy. J Manuf Process 31:72–79CrossRef
4.
Ki H, Mohanty PS, Mazumder J (2002) Modeling of laser keyhole welding part I. Mathematical modeling, numerical methodology, role of recoil pressure, multiple reflections, and free surface evolution. Metall Mater Trans A 33:1817–1830CrossRef
5.
Bunaziv I, Akselsen OM, Salminen A, Unt A (2016) Fiber laser-MIG hybrid welding of 5mm 5083 aluminum alloy. J Mater Process Technol 233:107–114CrossRef
6.
Texiera D, Atmania F, Bochera P, Nadeauc F, Chena J, Zedana Y, Vanderessea N, Demers V (2018) Fatigue performances of FSW and GMAW aluminum alloys welded joints: competition between microstructural and structural-contact-fretting crack initiation. Int J Fatigue 116:220–233CrossRef
7.
Wu SC, Yu C, Yu PS, Buffière JY, Helfen L, Fu YN (2016) Corner fatigue cracking behavior of hybrid laser AA7020 welds by synchrotron X-ray computed microtomography. Mater Sci Eng A 651:604–614CrossRef
8.
Meng W, Li Z, Lu F, Wu Y, Chen J, Katayama S (2014) Porosity formation mechanism and its prevention in laser lap welding for T-joints. J Mater Process Technol 214(8):1658–1664CrossRef
9.
Sun J, Nie P, Lu F, Huang J, Feng K, Li Z, Guo B, Jiang E, Zhang W (2017) The characteristics and reduction of porosity in high-power laser welds of thick AISI 304 plate. Int J Adv Manuf Technol 93(9-12):3517–3530CrossRef
10.
Zhang C, Gao M, Wang D, Lin J, Zeng X (2017) Relationship between pool characteristic and weld porosity in laser arc hybrid welding of AA6082 aluminum alloy. J Mater Process Technol 240:217–222CrossRef
11.
Katayama S, Yasuaki N, Satoru U, Masami M (2006) Physical phenomena and porosity prevention mechanism in laser-arc hybrid welding, transactions of JWRI 35, pp 13–18.
12.
Leo P, Renna G, Casalino G, Olabi AG (2015) Effect of power distribution on the weld quality during hybrid laser welding of an Al–Mg alloy. Opt Laser Technol 73:118–126CrossRef
13.
Ola OT, Doern FE (2015) Keyhole-induced porosity in laser-arc hybrid laser welded aluminium. Int J Adv Manuf Technol 80:3–10CrossRef
14.
Casalino G, Mortello M, Leo P, Benyounis KY, Olabi AG (2014) Study on arc and laser powers in the hybrid welding of AA5754 Al-alloy. Mater Des 61:191–198CrossRef
15.
Yan S, Chen H, Ma C, Nie Y, Wang X, Qin QH (2015) Local corrosion behaviour of hybrid laser-MIG welded Al–Zn–Mg alloy joints. Mater Des 88:1353–1365CrossRef
16.
Yan S (2019) Multiscale study of the properties of hybrid laser-welded Al-Mg-Si alloy joints, Research Scool of Engineering, The Australia National University, p 27
17.
Yan S, Xing B, Zhou H, Xiao Y, Qin Q-H, Chen H (2018) Effect of filling materials on the microstructure and properties of hybrid laser welded Al-Mg-Si alloys joints. Mater Charact 144:205–218CrossRef
18.
Atabaki MM, Ma J, Liu W, Kovacevic R (2015) Pore formation and its mitigation during hybrid laser/arc welding of advanced high strength steel. Mater Des 67:509–521CrossRef
19.
Chen M, Xin J, Xin L, Zhao Z, Wu F, Ma S, Zhang Y (2017) Effect of keyhole characteristics on porosity formation during pulsed laser-GTA hybrid welding of AZ31B magnesium alloy. Opt Lasers Eng 93:139–145CrossRef
20.
Panwisawas C, Perumal B, Ward RM, Turner N, Turner RP, Brooks JW, Basoalto HC (2017) Keyhole formation and thermal fluid flow-induced porosity during laser fusion welding in Ti alloys: Experiemtal and modelling. Acta Mater 126:251–263CrossRef
21.
Wu SC, Yu X, Zuo RZ, Zhang WH, Xie HL, Jiang JZ (2013) Porosity, element loss, and strength model on softening behavior of hybrid laser arc welded Al-Zn-Mg-Cu alloy with synchrotron radiation analysis. Weld Int 92:64–71
22.
Kuryntsev SV (2019) Microstructure, mechanical and electrical properties of laser-welded overlap joint of CP Ti and AA2024. Opt Lasers Eng 112:77–86CrossRef
23.
Yan S, Zhou H, Qin QH (2019) Microstructure versus size nano microscale deformation of solute strengthening Al alloys via pillar compression tests. Mater Res Lett 7:53–59CrossRef
24.
Yan S, Chen H, Zhu Z, Gou G (2014) Hybrid laser-metal inert gas welding of Al–Mg–Si alloy joints: microstructure and mechanical properties. Mater Des 61:160–167CrossRef
25.
Lu F, Li X, Li Z, Tang X, Cui H (2015) Formation and influence mechanism of keyhole-induced porosity in deep-penetration laser welding based on 3D transient modeling. Int J Heat Mass Transf 90:1143–1152CrossRef
26.
Madison JD, Aagesen LK, Chan VW, Thornton K (2014) Advancing quantitative description of porosity in autogenous laser-welds of 304L stainless steel. Integr Mater Manuf Innov 3:11–28CrossRef
27.
Ribic B, Palmer TA, DebRoy T (2013) Problems and issues in laser-arc hybrid welding. Int Mater Rev 54(4):223–244CrossRef
28.
Seto N, Katayama S, Matsunawa A (2001) Porosity formation mechanism and suppression procedure in laser welding of aluminium alloys. Weld Int 15(3):191–202CrossRef
29.
Xiao R, Zhang X (2014) Problems and issues in laser beam welding of aluminum–lithium alloys. J Manuf Process 16(2):166–175CrossRef
30.
Seiji K, Yakacki N, Satoru U, Masami M (2006) Physical phenomena and porosity prevention mechanism in laser-arc hybrid welding. Trans JWRI 35:13–18
31.
Wang Z, Oliveirac JP, Zeng Z, Bu X, Peng B, Shao X (2019) Laser beam oscillating welding of 5A06 aluminum alloys: microstructure, porosity and mechanical properties. Opt Laser Technol 11:58–65CrossRef
32.
Gao XL, Zhang LJ, Liu J, Zhang JX (2014) Porosity and microstructure in pulsed Nd:YAG laser welded Ti6Al4V sheet. J Mater Process Technol 214:1316–1325CrossRef
33.
Gou G, Zhang M, Chen H, Chen J, Li P, Yang YP (2015) Effect of humidity on porosity, microstructure, and fatigue strength of A7N01S-T5 aluminum alloy welded joints in high-speed trains. Mater Des 85:309–317CrossRef
34.
Kar J, Chakrabarti D, Roy SK, Roy GG (2019) Beam oscillation, porosity formation and fatigue properties of electron beam welded Ti-6Al-4V alloy. J Mater Process Technol 266:165–172CrossRef
Metadata
Title
Porosity formation and its effect on the properties of hybrid laser welded Al alloy joints
Authors
Shaohua Yan
Zhongyin Zhu
Chuanping Ma
Qing-H. Qin
Hui Chen
Y. N. Fu
Publication date
18-07-2019
Publisher
Springer London
Published in
The International Journal of Advanced Manufacturing Technology / Issue 5-8/2019
Print ISSN: 0268-3768
Electronic ISSN: 1433-3015
DOI
https://doi.org/10.1007/s00170-019-04106-1

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