Yansheng Yao, Zhangsen Ge, Qingbo Chen, Jianping Tang, Yiyuan Zhang. Surface Characteristics of Medical Zr-Based Bulk Metallic Glass Processed by Femtosecond Laser[J]. Laser & Optoelectronics Progress, 2020, 57(11): 111409
- Laser & Optoelectronics Progress
- Vol. 57, Issue 11, 111409 (2020)
Fig. 1. SEM images of the surface of a linear structure prepared under a power of 50 mW, a scanning speed of 2 mm/s, and a spacing of 100 μm. (a) Linear structure surface; (b)(c) partial enlargement
Fig. 2. Measurement images of contact angle of water droplets before, directly after fabrication, and three months after fabrication. (a) Unpolished surface; (b) linear structure surface; (c) unpolished surface after 3 months; (d) surface of the linear structure after 3 months
Fig. 3. XPS spectrum of raw surface and linear structure surface after processing
Fig. 4. XPS spectrum and its peak distribution of different elements on unpolished surface. (a) O 1s; (b) C 1s; (c) Zr 3d; (d) Cu 2p; (e) Al 2p; (f) Ti 2p
Fig. 5. XPS spectrum and its peak distribution diagram of different elements on the surface of linear structure after 3 months. (a) O 1s; (b) C 1s; (c) Zr 3d; (d) Cu 2p; (e) Al 2p; (f) Ti 2p
Fig. 6. Potential polarization curve before and after processing
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Table 1. Performance comparison between Zr61Ti2Cu25Al12 and existing commonly used implant materials
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