Chinese Journal of Lasers, Volume. 50, Issue 16, 1602210(2023)
Laser Processing+Silicone Oil Modification+Heat Treatment Hybrid Process for Fabrication of Superhydrophobic Zirconia Ceramic and Mechanism Investigation
Figures & Tables(14)
Fig. 1. Flow chart of the hybrid process of laser processing+silicone oil modification+heat treatment
Fig. 2. Three-dimensional topography and profile curves of zirconia ceramic surface processed with different laser parameters. (a) Scanning speed of 10 mm/s; (b) scanning speed of 50 mm/s; (c) scanning speed of 100 mm/s; (d) line spacing of 75 μm; (e) line spacing of 150 μm
Fig. 3. SEM images of zirconia ceramic surface before and after laser processing with different laser parameters at various magnifications. (a) Original surface; (b) scanning speed of 10 mm/s; (c) scanning speed of 50 mm/s; (d) scanning speed of 100 mm/s; (e) line spacing of 75 μm; (f) line spacing of 150 μm
Fig. 4. XPS energy spectra of zirconia ceramic surface before and after laser processing. (a) Original surface; (b) laser processed surface; (c) surface processed with laser processing+silicone oil modification+heat treatment
Fig. 5. Contact angle images of water droplets on zirconia ceramic surface with different fabrication processes. (a) Original surface; (b) laser processing; (c) laser processing+silicone oil modification; (d) heat treatment; (e) silicone oil modification+heat treatment; (f) laser processing+silicone oil modification+heat treatment
Fig. 6.
Models of different wetting states. (a) Young
Fig. 7. Measured contact angle at different laser scanning speeds and line spacings. (a) Different scanning speeds; (b) different line spacings
Fig. 8. Superhydrophobic zirconia ceramic surface with high or low adhesion. (a) Untreated surface; (b) high adhesion surface; (c) low adhesion surface
Fig. 9. Contact angle change of superhydrophobic zirconia ceramic surface in different environments. (a) Storage in air; (b) tape peeling cycle
Fig. 10. Self-cleaning tests of superhydrophobic zirconia ceramic. (a) Untreated surface; (b) surface processed with laser processing+silicone oil modification+heat treatment
Fig. 11. Comparison of post-process treatment duration between this fabrication method and other traditional laser processing methods
Table 1. Main chemical composition of zirconia ceramic materials
View tableTable 1. Main chemical composition of zirconia ceramic materials
Element Mass fraction /% Zr 76.13 C 12.04 O 6.01 Y 5.82
Table 2. Performance parameters of zirconia ceramic material
View tableTable 2. Performance parameters of zirconia ceramic material
Parameter Value Parameter Value Density /（g·cm-3） 5.9 Thermal conductivity /（W·m-1·K-1） 3 Hardness /GPa 13.7 Melting point /℃ 2700 Compressive strength /MPa 2450 Fracture strength /MPa 800-1200 Bending strength /MPa 800-1300 Young 
s modulus /GPa190
Table 3. Atomic fraction of various elements on the surface of zirconia ceramic before and after laser processing
View tableTable 3. Atomic fraction of various elements on the surface of zirconia ceramic before and after laser processing
Element Atomic fraction /% Original surface Laser processed surface Surface processed with laser processing+silicone oil modification+heat treatment C 39.39 24.75 40.53 O 23.97 37.87 40.43 Zr 36.64 37.37 11.40 Si 0 0 7.64
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Chao Liu, Junjie Zheng, Xiangfeng Liu, Qinghua Wang. Laser Processing+Silicone Oil Modification+Heat Treatment Hybrid Process for Fabrication of Superhydrophobic Zirconia Ceramic and Mechanism Investigation[J]. Chinese Journal of Lasers, 2023, 50(16): 1602210
Paper Information
Category: Laser Surface Machining
Received: Feb. 2, 2023
Accepted: Mar. 15, 2023
Published Online: Jul. 31, 2023
The Author Email: Wang Qinghua (qinghua-wang@seu.edu.cn)
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