Influence of the Technological Parameters of TC4 Titanium Alloy Laser Wire Filling Welding on Weld Seam Macroformation

Suming Chen; An'an Zhao; Yi Jiang; Ting Liu; Tingyan Yan; Xiaohong Zhan

doi:10.3788/CJL202148.1402007

Chinese Journal of Lasers, Volume. 48, Issue 14, 1402007(2021)

Influence of the Technological Parameters of TC4 Titanium Alloy Laser Wire Filling Welding on Weld Seam Macroformation

Suming Chen¹, An'an Zhao¹, Yi Jiang¹, Ting Liu², Tingyan Yan², and Xiaohong Zhan^2、*

Author Affiliations

¹Avic Xi'an Aircraft Industry (Group) Company Ltd., Xi'an, Shaanxi 710089, China

²College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, Jiangsu 211106, China

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Figures & Tables(10)

Fig. 1. Welding equipments. (a) TruDisk 12003 disc laser generator; (b) KUKA robot KR60HA

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Fig. 2. Macromorphology of weld seam under different laser power. (a) 1.3 kW, front of weld seam; (b) 1.3 kW, back of weld seam; (c) 1.5 kW, front of weld seam; (d) 1.5 kW, back of weld seam

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Fig. 3. Macromorphology of weld seam under different welding speeds. (a) 1.5 m/min, front of weld seam; (b) 1.5 m/min, back of weld seam; (c) 1.2 m/min, front of weld seam; (d) 1.2 m/min, back of weld seam

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Fig. 4. Macromorphology of weld seam under different wire feeding speeds. (a) 1.3 m/min; (b) 1.5 m/min; (c) 2.0 m/min; (d) 2.2 m/min; (e) 2.5 m/min

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Fig. 5. Macromorphology of weld seam under different interstice widths. (a) 0.4 mm; (b) 0.3 mm

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Fig. 6. Cross section morphology of laser filled wire welded joint at P=1.5 kW, V_w=1.2 m/min, and V_s=1.5 m/min

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Fig. 7. Cross section morphology of laser filled wire welded joint at P=1.5 kW, V_w=1.2 m/min, and V_s=2.0 m/min

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Fig. 8. Cross section morphology of laser filled wire welded joint at P=1.5 kW, V_w=1.2 m/min, and V_s=2.5 m/min

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Table 1. Process parameters of laser wire filling welding
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Table 1. Process parameters of laser wire filling welding
Case Laser power P/kW Welding speed V_w/(m·min^-1) Filling speed V_s/(m·min^-1)
1 1.3 1.5 1.5
2 1.5 1.5 1.5
3 1.5 1.2 1.5
4 1.5 1.2 1.3
5 1.5 1.2 2.0
6 1.5 1.2 2.2
7 1.5 1.2 2.5

Table 2. Section size of laser filled wire welded joint under different welding process parameters

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Table 2. Section size of laser filled wire welded joint under different welding process parameters

Sample	#1	#2	#3
Laser power P /kW	1.5	1.5	1.5
Welding speed V_w /(m·min^-1)	1.2	1.2	1.2
Wire feeding speed V_s /(m·min^-1)	1.5	2.0	2.5
Upper excess weld metal H₁ /mm	0.12	0.25	0.53
Lower excess weld metal H₂ /mm	0.12	0.18	0.05
Upper welding width W₁ /mm	1.22	1.68	1.88
Lower welding width W₂ /mm	1.00	1.50	1.73

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Suming Chen, An'an Zhao, Yi Jiang, Ting Liu, Tingyan Yan, Xiaohong Zhan. Influence of the Technological Parameters of TC4 Titanium Alloy Laser Wire Filling Welding on Weld Seam Macroformation[J]. Chinese Journal of Lasers, 2021, 48(14): 1402007

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