[1] Kaneko R S, Bakow L, Lee E W. Aluminum alloy 6013 sheet for new US Navy aircraft[J]. JOM, 42, 16-18(1990).

[2] Miller W S, Zhuang L, Bottema J et al. Recent development in aluminium alloys for the automotive industry[J]. Materials Science and Engineering: A, 280, 37-49(2000).

[3] Georgantzia E, Gkantou M, Kamaris G S. Aluminium alloys as structural material: a review of research[J]. Engineering Structures, 227, 111372(2021).

[4] Wang X F, Guo M X, Peng W F et al. Relationship among solution heating rate, mechanical properties, microstructure and texture of Al-Mg-Si-Cu alloy[J]. Transactions of Nonferrous Metals Society of China, 31, 36-52(2021).

[5] Ninive P H, Strandlie A, Gulbrandsen-Dahl S et al. Detailed atomistic insight into the β″ phase in Al-Mg-Si alloys[J]. Acta Materialia, 69, 126-134(2014).

[6] Yin D Y, Xiao Q, Chen Y Q et al. Effect of natural ageing and pre-straining on the hardening behaviour and microstructural response during artificial ageing of an Al-Mg-Si-Cu alloy[J]. Materials & Design, 95, 329-339(2016).

[7] Han X H, Yang Z B, Ma Y et al. Comparative study of laser-arc hybrid welding for AA6082-T6 aluminum alloy with two different arc modes[J]. Metals, 10, 407(2020).

[8] Li F Q, Feng S, Li M W et al. Softening phenomenon of heat-affected zone in laser welding of 6082 Al alloys with filler wire[J]. Chinese Journal of Lasers, 45, 1102007(2018).

[9] Braun R, Donne C D, Staniek G. Laser beam welding and friction stir welding of 6013-T6 aluminium alloy sheet[J]. Material-wissenschaft Und Werkstofftechnik, 31, 1017-1026(2000).

[10] Braun R. Laser beam welding of Al-Mg-Si-Cu alloy 6013 sheet using silicon rich aluminium filler powders[J]. Materials Science and Technology, 21, 133-140(2005).

[11] Zhang C, Li G, Gao M et al. Microstructure and process characterization of laser-cold metal transfer hybrid welding of AA6061 aluminum alloy[J]. The International Journal of Advanced Manufacturing Technology, 68, 1253-1260(2013).

[12] Casalino G, Mortello M, Leo P et al. Study on arc and laser powers in the hybrid welding of AA5754 Al-alloy[J]. Materials & Design, 61, 191-198(2014).

[13] Xin Z B, Yang Z B, Zhao H et al. Comparative study on welding characteristics of laser-CMT and plasma-CMT hybrid welded AA6082-T6 aluminum alloy butt joints[J]. Materials, 12, 3300(2019).

[14] Leo P, Renna G, Casalino G et al. Effect of power distribution on the weld quality during hybrid laser welding of an Al-Mg alloy[J]. Optics & Laser Technology, 73, 118-126(2015).

[15] Zhang C, Gao M, Zeng X Y. Influences of synergy effect between laser and arc on laser-arc hybrid welding of aluminum alloys[J]. Optics & Laser Technology, 120, 105766(2019).

[16] Meng Y F, Gao M, Zeng X Y. Effects of arc types on the laser-arc synergic effects of hybrid welding[J]. Optics Express, 26, 14775-14785(2018).

[17] Xu F, Yang J, Gong S L et al. Effect of heat input on weld appearance for fiber laser beam full penetration welding aluminum alloy[J]. Chinese Journal of Lasers, 41, 1203001(2014).

[18] Liu T, Zhao Y Q, Zhou X D et al. Effect of energy ratio coefficient on pore during aluminum alloy laser-MIG hybrid welding[J]. Chinese Journal of Lasers, 47, 1102004(2020).

[19] Kurz W, Bezençon C, Gäumann M. Columnar to equiaxed transition in solidification processing[J]. Science and Technology of Advanced Materials, 2, 185-191(2001).

[20] Chen D, Liu T, Zhao Y Q et al. Effect of grain size on mechanical properties of double laser-beam bilateral synchronous welding joint[J]. Chinese Journal of Lasers, 48, 1002120(2021).

[21] He S Z, Wang J, Zhang D L et al. A first-principles study of the Cu-containing β″ precipitates in Al-Mg-Si-Cu alloy[J]. Materials, 14, 7879(2021).

[22] Chen J H, Costan E, van Huis M A et al. Atomic pillar-based nanoprecipitates strengthen AlMgSi alloys[J]. Science, 312, 416-419(2006).

[23] Matsuda K, Ikeno S, Uetani Y et al. Metastable phases in an Al-Mg-Si alloy containing copper[J]. Metallurgical and Materials Transactions A, 32, 1293-1299(2001).

[24] Ding L P, Orekhov A, Weng Y Y et al. Study of the Q' (Q)-phase precipitation in Al-Mg-Si-Cu alloys by quantification of atomic-resolution transmission electron microscopy images and atom probe tomography[J]. Journal of Materials Science, 54, 7943-7952(2019).

[25] Sunde J K, Marioara C D, Holmestad R. The effect of low Cu additions on precipitate crystal structures in overaged Al-Mg-Si (-Cu) alloys[J]. Materials Characterization, 160, 110087(2020).

[26] Yan S H, Xing B B, Zhou H Y et al. Effect of filling materials on the microstructure and properties of hybrid laser welded Al-Mg-Si alloys joints[J]. Materials Characterization, 144, 205-218(2018).

[27] Braun R. Nd:YAG laser butt welding of AA6013 using silicon and magnesium containing filler powders[J]. Materials Science and Engineering, 426, 250-262(2006).

[28] Chen X M, Wang X N, Dong Q P et al. Effect of filling material with different Si content on microstructure and properties of laser-CMT aluminum alloy joints[J]. Chinese Journal of Lasers, 48, 2202003(2021).

[29] Beiranvand Z M, Ghaini F M, Naffakh-Moosavy H et al. Magnesium loss in Nd: YAG pulsed laser welding of aluminum alloys[J]. Metallurgical and Materials Transactions B, 49, 2896-2905(2018).

[30] Zhang C, Gao M, Wang D Z et al. Relationship between pool characteristic and weld porosity in laser arc hybrid welding of AA6082 aluminum alloy[J]. Journal of Materials Processing Technology, 240, 217-222(2017).

[31] Ascari A, Fortunato A, Orazi L et al. The influence of process parameters on porosity formation in hybrid LASER-GMA welding of AA6082 aluminum alloy[J]. Optics & Laser Technology, 44, 1485-1490(2012).

[32] Wen P, Li Z X, Zhang S et al. Investigation on porosity, microstructures and performances of 6A01-T5 aluminum alloy joint by oscillating fiber laser-CMT hybrid welding[J]. Chinese Journal of Lasers, 47, 0802003(2020).

[33] Cai C, Xie J, Liu Z J et al. Welding characteristics and porosity control of weaving laser-MIG hybrid welding of aluminum alloys[J]. Chinese Journal of Lasers, 48, 1802002(2021).