• Laser & Optoelectronics Progress
  • Vol. 59, Issue 17, 1714006 (2022)
Zongbao Shen*, Chuang Li, Pin Li, Lei Zhang, Xiao Wang, and Huixia Liu
Author Affiliations
  • School of Mechanical Engineering, Jiangsu University, Zhenjiang 212013, Jiangsu , China
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    DOI: 10.3788/LOP202259.1714006 Cite this Article Set citation alerts
    Zongbao Shen, Chuang Li, Pin Li, Lei Zhang, Xiao Wang, Huixia Liu. Preparation of a Hydrophobic Copper Surface with Excellent Aging Properties Using Laser Shock Imprinting[J]. Laser & Optoelectronics Progress, 2022, 59(17): 1714006 Copy Citation Text show less
    Schematic diagram of LSI process. (a) Whole process diagram; (b) three-dimensional topography of micro-mold after first laser marking; (c) three-dimensional topography of micro-mold after second laser marking; (d) three-dimensional topography of workpiece surface after LSI
    Fig. 1. Schematic diagram of LSI process. (a) Whole process diagram; (b) three-dimensional topography of micro-mold after first laser marking; (c) three-dimensional topography of micro-mold after second laser marking; (d) three-dimensional topography of workpiece surface after LSI
    SEM images of micro-mold surface after the first marking
    Fig. 2. SEM images of micro-mold surface after the first marking
    SEM images of groove microtexture on the surface of micro-mold after the second marking
    Fig. 3. SEM images of groove microtexture on the surface of micro-mold after the second marking
    SEM images of workpiece forming surface under different shock times
    Fig. 4. SEM images of workpiece forming surface under different shock times
    Variation of forming depth of workpiece forming surface under different numbers of shock times
    Fig. 5. Variation of forming depth of workpiece forming surface under different numbers of shock times
    Variation of static contact angle of workpiece under different numbers of shock times
    Fig. 6. Variation of static contact angle of workpiece under different numbers of shock times
    Schematic diagram of workpiece surface wettability under different numbers of shock times. (a) Number of shock times is 1; (b) number of shock times is 7
    Fig. 7. Schematic diagram of workpiece surface wettability under different numbers of shock times. (a) Number of shock times is 1; (b) number of shock times is 7
    Forming effect of groove on workpiece surface under different soft film thicknesses. (a) Schematic diagram of groove selection; (b) variation of forming depth
    Fig. 8. Forming effect of groove on workpiece surface under different soft film thicknesses. (a) Schematic diagram of groove selection; (b) variation of forming depth
    Variation of static contact angle of workpiece under different soft film thicknesses
    Fig. 9. Variation of static contact angle of workpiece under different soft film thicknesses
    SEM images of workpiece forming surface under different soft film thicknesses
    Fig. 10. SEM images of workpiece forming surface under different soft film thicknesses
    Variation of contact angle of hydrophobic surface of workpiece with time in different chemical environments
    Fig. 11. Variation of contact angle of hydrophobic surface of workpiece with time in different chemical environments
    SEM images of hydrophobic surface of workpiece on the 1st, 3rd, 7th, 14th, and 21st days in NaCl solution
    Fig. 12. SEM images of hydrophobic surface of workpiece on the 1st, 3rd, 7th, 14th, and 21st days in NaCl solution
    SEM images of groove microtexture on the workpiece surface on the 21st day in air and water
    Fig. 13. SEM images of groove microtexture on the workpiece surface on the 21st day in air and water
    AreaFraction /%
    CONaClCu
    Top (1st day)1.340.190.230.2493.11
    Bottom (1st day)1.180.130.130.1594.05
    Raw material (1st day)1.030.110.090.0295.05
    Top (21st day)10.996.141.991.4978.68
    Bottom (21st day)10.645.861.901.1880.12
    Raw material (21st day)10.185.491.240.9781.28
    Table 1. EDS of the top, bottom, and raw material area of the groove microtexture on the 1st and 21st days in 3.5% NaCl solution
    EnvironmentMass fraction /%
    COHCu
    Air (1st day)3.610.6896.05
    Air (21st day)10.223.0485.67
    Water (1st day)5.431.340.2192.58
    Water (21st day)16.454.211.3479.14
    Table 2. EDS of workpiece groove microtexture on the 1st and 21st days in air and water
    Zongbao Shen, Chuang Li, Pin Li, Lei Zhang, Xiao Wang, Huixia Liu. Preparation of a Hydrophobic Copper Surface with Excellent Aging Properties Using Laser Shock Imprinting[J]. Laser & Optoelectronics Progress, 2022, 59(17): 1714006
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