Aluminum Alloy/Carbon Fiber Reinforced Thermoplastic Laser Butt Welding

Ye Yiyun; Jia Shaohui; Jiao Junke; Shu Xuedao

doi:10.3788/CJL202047.1002003

Chinese Journal of Lasers, Volume. 47, Issue 10, 1002003(2020)

Aluminum Alloy/Carbon Fiber Reinforced Thermoplastic Laser Butt Welding

Ye Yiyun^1,2, Jia Shaohui², Jiao Junke^2、*, and Shu Xuedao¹

Author Affiliations

¹College of Mechanical Engineering and Mechanics, Ningbo University, Ningbo, Zhejiang 315211, China

²Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, Zhejiang 315201, China

show less

Abstract Get PDF(in Chinese)

Figures & Tables(13)

Fig. 1. Schematic of welding fixture and welding principle

Download full size

Fig. 4. Temperature measuring device and method

Download full size

Fig. 5. Tensile strength obtained in each experimental group

Download full size

Fig. 6. Schematic of samples. (a) Failed welding sample; (b) successful welding sample

Download full size

$Surface appearance of sample A joint after fracture. (a) Aluminum alloy surface; (b) composite surface$

Fig. 7. Surface appearance of sample A joint after fracture. (a) Aluminum alloy surface; (b) composite surface

Download full size

$Surface appearance of sample B joint after fracture. (a) Aluminum alloy surface; (b) composite surface$

Fig. 8. Surface appearance of sample B joint after fracture. (a) Aluminum alloy surface; (b) composite surface

Download full size

$Surface appearance of sample C joint after fracture. (a) Aluminum alloy surface; (b) composite surface$

Fig. 9. Surface appearance of sample C joint after fracture. (a) Aluminum alloy surface; (b) composite surface

Download full size

$Surface appearance of sample D joint after fracture. (a) Aluminum alloy surface; (b) composite surface$

Fig. 10. Surface appearance of sample D joint after fracture. (a) Aluminum alloy surface; (b) composite surface

Download full size

Fig. 11. Measured joint temperature during welding process

Download full size

Table 1. Thermophysical parameters of materials

View table

Table 1. Thermophysical parameters of materials

Material	Density /(kg·m^-3)	Specific heat /(J·Kg^-1·℃^-1)	Thermal conductivity /(W·m^-1·℃^-1)	Melting point /℃	Decompositiontemperature /℃
PA	1150	2500	0.25	215--225	330
T700	1760	712	6.5	3000
7075-T6	2800	860--1320	130	475--635

Table 2. Configuration of experiment parameters

View table

Table 2. Configuration of experiment parameters

Level	Factor
Level	Laser powerP /W	Welding speedv /(mm·s^-1)	Stirring amplitudeΦ /mm	Stirring frequencyf /Hz	Clamp pressureP /MPa	Defocusing amountd /mm
1	250	2	0.6	10	0.1	25
2	300	4	0.8	20	0.2	30
3	350	6	1.0	30	0.3	35
4	400	8	1.2	40	0.4	40
5	450	10	1.4	50	0.5	45

Table 3. Orthogonal experimental design

View table

Table 3. Orthogonal experimental design

Number	Laser powerP /W	Welding speedv /(mm·s^-1)	Stirringamplitude Φ /mm	Stirring frequencyf /Hz	Clamp pressureP /MPa	Defocusingamount d /mm
1	250	2	0.6	10	0.1	25
2	250	4	0.8	20	0.2	30
3	250	6	1.0	30	0.3	35
4	250	8	1.2	40	0.4	40
5	250	10	1.4	50	0.5	45
6	300	2	0.8	30	0.4	45
7(A)	300	4	1.0	40	0.5	25
8	300	6	1.2	50	0.1	30
9(D)	300	8	1.4	10	0.2	35
10	300	10	0.6	20	0.3	40
11	350	2	1.0	50	0.2	40
12	350	4	1.2	10	0.3	45
13	350	6	1.4	20	0.4	25
14(B)	350	8	0.6	30	0.5	30
15	350	10	0.8	40	0.1	35
16	400	2	1.2	20	0.5	35
17(C)	400	4	1.4	30	0.1	40
18	400	6	0.6	40	0.2	45
19	400	8	0.8	50	0.3	25
20	400	10	1.0	10	0.4	30
21	450	2	1.4	40	0.3	30
22	450	4	0.6	50	0.4	35
23	450	6	0.8	10	0.5	40
24	450	8	1.0	20	0.1	45
25	450	10	1.2	30	0.2	25

Table 4. Range analysis of orthogonal experiment

View table

Table 4. Range analysis of orthogonal experiment

Range	Factor
Range	Laser power	Weldingspeed	Stir theamplitude	The stirringfrequency	Clamp pressure	Defocusingamount
k_J1	248.96	79.70	336.56	280.78	256.62	351.82
k_J2	228.58	339.54	157.54	157.26	239.36	237.08
k_J3	267.50	211.72	243.18	240.02	256.40	95.06
k_J4	330.44	331.68	242.98	326.62	153.06	174.94
k_J5	80.46	193.30	175.68	151.26	250.50	297.04
R_J	249.98	259.84	179.02	175.36	103.56	256.76
Rank	3	1	4	5	6	2

Tools

Get Citation

Copy Citation Text

Ye Yiyun, Jia Shaohui, Jiao Junke, Shu Xuedao. Aluminum Alloy/Carbon Fiber Reinforced Thermoplastic Laser Butt Welding[J]. Chinese Journal of Lasers, 2020, 47(10): 1002003

Download Citation

EndNote(RIS)BibTex Plain Text

Set citation alerts for article

Save article for my favorites

Paper Information

Category: laser manufacturing

Received: Mar. 5, 2020

Accepted: --

Published Online: Oct. 9, 2020

The Author Email: Junke Jiao (jiaojunke@nimte.ac.cn)

DOI:10.3788/CJL202047.1002003

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology