Optimization of Laser Direct Connection Process between TC4 and PBTCF30

Huaizhi Liang; Chengjie Li; Tao Huang; Xiao Wang; Huixia Liu

doi:10.3788/LOP222605

Journals >Laser & Optoelectronics Progress >Volume 60 >Issue 21 >Page 2114003 > Article

Laser & Optoelectronics Progress
Vol. 60, Issue 21, 2114003 (2023)

Optimization of Laser Direct Connection Process between TC4 and PBTCF30

Huaizhi Liang, Chengjie Li, Tao Huang, Xiao Wang^*, and Huixia Liu

Author Affiliations

College of Mechanical Engineering, Jiangsu University, Zhenjiang 212013, Jiangsu , China

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DOI: 10.3788/LOP222605 Cite this Article Set citation alerts

Huaizhi Liang, Chengjie Li, Tao Huang, Xiao Wang, Huixia Liu. Optimization of Laser Direct Connection Process between TC4 and PBTCF30[J]. Laser & Optoelectronics Progress, 2023, 60(21): 2114003 Copy Citation Text

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Fig. 1. Schematic diagram of laser surface texture pretreatment

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Fig. 2. Surface appearance of titanium alloy after surface texture treatment

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Fig. 3. Schematic diagram of laser direct connection between TC4 and PBTCF30

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Fig. 4. Schematic diagram of laser connection and local enlargement after texture treatment

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Fig. 5. High magnification energy spectra of Ti2p on stretched TC4 surface at different etching time

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Fig. 6. Tensile failure diagram after texture treatment

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Fig. 7. Pretreatment time model.(a) Comparison diagram of experimental and predicted values; (b) suitability of model

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Fig. 8. Joint shear strength model.(a) Comparison diagram of experimental and predicted values; (b) suitability of model

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Fig. 9. Influence curve of process parameters on pretreatment time

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Fig. 10. Influence curve of process parameters on joint shear strength

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Fig. 11. Interactive influence of various factors on connection strength. (a) Scanning spacing and number of sanning; (b) number of sanning and connection speed; (c) connection speed and connection power

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Code	Input parametter	Uint	Level
Code	Input parametter	Uint	-2	-1	0	1	2
A	Scanning diameter	mm	0.06	0.14	0.22	0.30	0.38
B	Scanning spacing	mm	0.3	0.4	0.5	0.6	0.7
C	Scanning times	—	35	45	55	65	75
D	Connection speed	mm·s^-1	2	3	4	5	6
E	Connection power	W	45	50	55	60	65

Table 1. Value range of process parameters

Input parameter value							Response value
Run order	Standard order	Input parameter					Joint shear strength /MPa	Pretreatment time /s
Run order	Standard order	A /mm	B /mm	C	D /（mm·s^-1）	E /W	Joint shear strength /MPa	Pretreatment time /s
1	21	0.14	0.4	65	3	60	10.20	166
2	33	0.06	0.5	55	4	55	8.69	58
3	48	0.22	0.5	55	4	55	12.50	122
4	2	0.30	0.4	45	3	50	9.22	151
5	32	0.30	0.6	65	5	60	10.02	127
6	37	0.22	0.5	35	4	55	9.85	78
7	9	0.14	0.4	45	5	50	7.25	116
8	5	0.14	0.4	65	3	50	10.25	166
9	27	0.14	0.6	45	5	60	10.55	56
10	7	0.14	0.6	65	3	50	10.55	81
11	29	0.14	0.4	65	5	60	8.25	166
12	20	0.30	0.6	45	3	60	10.55	89
13	17	0.14	0.4	45	3	60	10.22	116
14	18	0.30	0.4	45	3	60	9.20	151
15	3	0.14	0.6	45	3	50	10.50	56
16	19	0.14	0.6	45	3	60	11.50	56
17	22	0.30	0.4	65	3	60	10.75	217
18	14	0.30	0.4	65	5	50	7.55	217
19	12	0.30	0.6	45	5	50	8.58	89
20	6	0.30	0.4	65	3	50	10.35	217
21	45	0.22	0.5	55	4	55	13.02	122
22	28	0.30	0.6	45	5	60	10.56	89
23	50	0.22	0.5	55	4	55	11.85	122
24	42	0.22	0.5	55	4	65	11.35	122
25	1	0.14	0.4	45	3	50	9.56	116
26	41	0.22	0.5	55	4	45	9.35	122
27	4	0.30	0.6	45	3	50	10.52	89
28	24	0.30	0.6	65	3	60	10.85	127
29	39	0.22	0.5	55	2	55	11.35	122
30	23	0.14	0.6	65	3	60	11.00	81
31	11	0.14	0.6	45	5	50	8.00	56
32	8	0.30	0.6	65	3	50	10.56	127
33	16	0.30	0.6	65	5	50	7.85	127
34	31	0.14	0.6	65	5	60	9.55	81
35	40	0.22	0.5	55	6	55	8.20	122
36	49	0.22	0.5	55	4	55	12.00	122
37	10	0.30	0.4	45	5	50	7.30	151
38	15	0.14	0.6	65	5	50	7.55	81
39	30	0.30	0.4	65	5	60	8.85	217
40	34	0.38	0.5	55	4	55	8.55	157
41	36	0.22	0.7	55	4	55	9.85	72
42	46	0.22	0.5	55	4	55	11.53	122
43	47	0.22	0.5	55	4	55	12.80	122
44	26	0.30	0.4	45	5	60	8.52	151
45	433	0.22	0.5	55	4	55	12.30	122
46	44	0.22	0.5	55	4	55	13.20	122
47	35	0.22	0.3	55	4	55	8.30	248
48	25	0.14	0.4	45	5	60	8.55	116
49	38	0.22	0.5	75	4	55	9.85	167
50	13	0.14	0.4	65	5	50	7.15	166

Table 2. Experimental scheme and results

Type	No	A /mm	B /mm	C	D /（mm·s^-1）	E /W	Joint shear strength /MPa	Pretreatment time /s
Single	1	0.2283	0.5313	58.4051	3.2403	56.9845	12.7406	125.4769

Table 3. Optimization results based on criterion I

Type	No	A /mm	B /mm	C	D /（mm·s^-1）	E /W	Joint shear strength /MPa	Pretreatment time /s
Multi	1	0.1663	0.5919	49.3482	3.2486	58.2796	12.1542	75.9517

Table 4. Optimization results based on criterion Ⅱ

Type	A /mm	B /mm	C	D /（mm·s^-1）	E /W	Joint shear strength /MPa			Pretreatment time /s
Type	A /mm	B /mm	C	D /（mm·s^-1）	E /W	Actual	Predicted	$σ$	Actual	Predicted	$σ$
Single	0.23	0.53	57	3.24	56.98	11.80	12.741	7.4	128	125.477	2.0

Table 5. Result verification of optimization criterion Ⅰ

Type	A /mm	B /mm	C	D /（mm·s^-1）	E /W	Joint shear strength /MPa			Pretreatment time /s
Type	A /mm	B /mm	C	D /（mm·s^-1）	E /W	Actual	Predicted	$σ$	Actual	Predicted	$σ$
Multi	0.17	0.59	49	3.25	58.28	11.50	12.154	5.0	70	75.952	7.8

Table 6. Result verification of optimization criterion Ⅱ

Huaizhi Liang, Chengjie Li, Tao Huang, Xiao Wang, Huixia Liu. Optimization of Laser Direct Connection Process between TC4 and PBTCF30[J]. Laser & Optoelectronics Progress, 2023, 60(21): 2114003

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