Journal of Applied Optics, Volume. 44, Issue 6, 1177(2023)
Effect of doping phase on laser ablation resistance of ZrB2 ceramic coatings
Figures & Tables(13)
Fig. 4. Damage morphologies of ZrB2 coating with typical laser parameters
Fig. 6. Damage morphologies of ZrB2-SiC coating with typical laser parameters
Fig. 7. Damage morphologies of ZrB2-MoSi2 coating with typical laser parameters
Fig. 8. SEM morphology of ZrB2-SiC coating after laser irradiation
Fig. 9. SEM morphology of ZrB2-MoSi2 coating after laser irradiation
Table 1. Coatings reflectance before and after laser damage (@1 070 nm)
View tableView in ArticleTable 1. Coatings reflectance before and after laser damage (@1 070 nm)
Coatings Reflectance Before After ZrB2 0.236 0.677（white area） 0.292（melting area） ZrB2-SiC 0.098 0.545（white area） 0.243（melting area） ZrB2-MoSi2 0.171 0.072（black area）
Table 2. Thermal physical parameters of material
View tableView in ArticleTable 2. Thermal physical parameters of material
Material ρ/(kg·m−3) C/(J·kg−1·K−1) k/(W·m−1·K−1) ZrB2 6090 760 83 ZrO2 4780 457 1.7 Titanium alloy 4500 703 11.8
Table 3. Simulation results of laser damage threshold for ceramic coatings
View tableView in ArticleTable 3. Simulation results of laser damage threshold for ceramic coatings
Sample Irradiationduration/s Experimental result/(W·cm−2) Simulation result/(W·cm−2) ZrB2 5 − ～1340 10 ～1222 ～1200 20 ～1162 ～1150 ZrB2-SiC 5 − ～1300 10 ～1147 ～1100 20 ～939 ～900 ZrB2-MoSi2 5 − ～1150 10 ～939 ～930 20 ～745 ～700
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Minbo HE, Weiyan REN, Yuchuan YANG, Zhihua WU, Yuehong HU. Effect of doping phase on laser ablation resistance of ZrB2 ceramic coatings[J]. Journal of Applied Optics, 2023, 44(6): 1177
Paper Information
Category: Research Articles
Received: Aug. 16, 2023
Accepted: --
Published Online: Mar. 12, 2024
The Author Email: HE Minbo (hmb@stu.xjtu.edu.cn)
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