Selected laser brazing condition for the ferrous and non-ferrous alloys in previous studies

Ferrous alloy
No. Substrate / wire Joint Laser source Wire feeding direction process parameters Ref
Laser Wire feed
1 AlSl 4135 (t: 3-6 mm) / G3Si1 (D: 0.8, 1 mm) Butt CO2 laser (DL: Φ 0.26 mm) Front, Rear P: 5 kW WS: 0.6-0.9 m/min WFR: 4.7-10.7 m/min α: 30°, 45°, 60° 2)
2 S355F2G3 (t: 6 mm) / G3Si1 (D: 0.8, 1.0 mm) Butt CO2 laser (Unwritten) Front, Rear P: 5 kW
WS: 0.4-0.6 m/min F: 0, - 2 mm
WFR: 6.2-10.7 m/min α: 45°, 52° 3)
3 Q345E (t: 10 mm) / ER50-6 (D: 1.2 mm) Butt Fiber laser (Unwritten) Side P: 6 kW WS: 0.6 m/min F: + 20 mm WFR: 3-6 m/min α: about 60° 4)
4 Q346D (t: 12 mm) / H08Mn2SiA (D: 1.2 mm) BOP CO2 laser (DL: Φ 0.75 mm) Front, Rear P: 10 kW WS: 0.3 m/min F: + 20 mm WFR: 4.5 m/min α: 45° 5)
5 EN43A (t: 5 mm) / STS 316L (D: 0.8 mm) BOP Diode laser (DL: 2.5*3.5 mm) Front, Rear P: 1.1 kW WS: 0.24 m/min WFR: 1.59 m/min α: 20, 30, 40, 50 ° 1)
6 A36 (t: 9 mm) / WT-6 (D: 1.2 mm) BOP Fiber laser (DL: Φ 5 mm) Rear P: 4 kW WS: 0.36-0.60 m/min F: + 55 mm WFR: 2.7-3.9 m/min α: 60° 6)
7 St37 (t: 3 mm) / SG2 (D: 1.0 mm) Butt Unwritten Front, Rear P: 5.2 kW WS: 2 m/min WFR: 4 m/min α: Unwritten 7)
8 STS 321 (t: 2 mm) / ER321 (D: 1.2 mm) Butt Fiber laser (DL: Φ 0.26 mm) Front P: 1.5 kW WS: 1 m/min WFR: 1.2 m/min α: 30° 8)
9 STS 316L (t: 2.7 mm) / STS 316L (D: 1.2 mm) Butt Fiber laser (Unwritten) Front P: 2.7-3.4 kW WS: 21-30 mm/s WFR: Unwritten α: 45° 9)
10 STS 304L (t: 2 mm) / Stainless filler (D: 1.0 mm) Butt Fiber laser-arc (DL: Φ 1.0 mm) Front P: 5, 8 kW WS: 5, 8 m/min F: + 8 mm WFR: 1.5-7.0 m/min α: 30° 10)
11 STS 2205 (t: 8, 15 mm) STS 304L (t: 10 mm) S2507 (t: 6 mm) / ER 2209 (D: 1.0 mm) Butt Fiber laser (DL: Φ 0.7 ~1.0 mm) Front P: 7-15 kW WS: 1-2 m/min F: - 4-7 mm WFR: Unwritten α: 45° 11)
Non-ferrous alloy (Aluminum)
9 AA5182 (t: 1.4 mm) / AA5356 (D: 1.2 mm) Butt Nd:YAG laser (DL: Φ 0.4 mm) Front P: 3-4 kW WS: 6-9 m/min WFR: 0-4 m/min α: 27° 12)
10 A709 (t: 6 mm) / ER506 (1.2mm) Butt Fiber laser (Unwritten) Rear P: 6.6-7.27 kW WS: 1.10 m/min F: + 16 mm WFR: 4-7.5 m/min α: Unwritten° 13)
11 Al 6009 (t: 3 mm) / AlSi 12 (D: 1.2 mm) BOP CO2 laser (DL: Φ 0.3 mm) Front, Rear P: 3 kW WS: 3-6 m/min WFR: 3-5 m/min α: Unwritten 14)
12 5A06 (t: 4 mm) / Al-Mg5 (D: 1.2mm) BOP Fiber laser (DL: Φ 0.3 mm) Front P: 3 kW WS: 2 m/min WFR: 3.-6 m/min α: 70° 15)
17 DP 600 (t: 0.77 mm) AA 6016 (t: 1.2 mm) / Zn-filler (D: 1.0 mm) Lap Nd:YAG (DL: Φ 1.5-2.0 mm) Front P: Unwritten WS: 0.2-1.2 m/min WFR: Unwritten α: Unwritten° 16)

t: Thick of materials, D: Diameter of filler wire, BOP: Bead-on-plate, DL: Dimension of focused laser beam, P: Laser power, WS: Welding speed, WFR: Wire feeding rate, α: Wire feeding angel, F: focal position