Alumina Ceramic/Stainless Steel Composite Components Laser Cutting Process

Jingyu Chao; Hongmei Zhang; Tao Xiao; Chunwei Tang; Zengliang Mo; Xiaojin Xia

doi:10.3788/LOP242098

Laser & Optoelectronics Progress, Volume. 62, Issue 7, 0714005(2025)

Alumina Ceramic/Stainless Steel Composite Components Laser Cutting Process

Jingyu Chao^1、*, Hongmei Zhang², Tao Xiao², Chunwei Tang², Zengliang Mo², and Xiaojin Xia²

¹College of Mechanical Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, Hubei , China

²Guangdong Guozhi Laser Technology Co., Dongguan 523808, Guangdong , China

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Figures & Tables(12)

Fig. 1. Laser cutting platform

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Fig. 2. Cutting schematic

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Fig. 3. Rod bundle structure. (a) Model of rod bundle; (b) multi-rod bundle cut section

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Fig. 4. Partial enlarged view of specimen #1. (a) Shell layer; (b) center area

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Fig. 5. EBSD specimen sampling location

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Fig. 6. 1# specimen shell grain orientation. (a) Phase diagram; (b) IPF-Z orientation diagram

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Fig. 7. Schematic of cross section with different parameters. (a)‒(i) 1#‒9# sections

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Fig. 8. Local enlargement of slag hanging position with different parameters. (a)‒(i) 1#‒9# slag hanging lengths

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Fig. 9. 3D schematic of cross-section center confocal. (a)‒(i) 1#‒9# 3D cloud maps

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Table 1. Aluminum oxide ceramic/304 stainless steel bar bundle property parameters
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Table 1. Aluminum oxide ceramic/304 stainless steel bar bundle property parameters
Name Al₂O₃ 304 stainless steel
Density /（g/cm³） 3.85 7.98
Coefficient of thermal expansion /（10^-6/℃） 8 16
Melting point /℃ 2054 1400
Durometer /HV 1700 150
Heat conductivity / $(W \cdot m^{- 1} \cdot K^{- 1})$ 31 16.3

Table 2. Cutting parameter table

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Table 2. Cutting parameter table

No.	Velocity /（m/min）	Focal point /mm	Power /%	Cutting height /mm	Atmosphere /bar
1#	0.7	-10	80	10	15
2#	1.0	-10	80	10	15
3#	0.3	-10	80	10	15
4#	0.7	-15	80	10	15
5#	0.7	-5	80	10	15
6#	0.7	-10	100	10	15
7#	0.7	-10	60	10	15
8#	0.7	-10	80	10	18
9#	0.7	-10	80	10	10

Table 3. Cutting quality assessment form

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Table 3. Cutting quality assessment form

No.	Width of slit /mm	Cutting surface roughness /μm	Length of slag hanging /mm
1#	1.89	27.42	1.2
2#	1.01	20.05	2.0
3#	2.15	77.55	1.2
4#	1.94	25.80	1.5
5#	1.92	63.22	2.1
6#	2.53	18.71	1.8
7#	0.88	87.33	2.0
8#	1.67	64.10	1.2
9#	1.59	69.25	2.2

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Jingyu Chao, Hongmei Zhang, Tao Xiao, Chunwei Tang, Zengliang Mo, Xiaojin Xia. Alumina Ceramic/Stainless Steel Composite Components Laser Cutting Process[J]. Laser & Optoelectronics Progress, 2025, 62(7): 0714005

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