Experiment Science and Technology, Volume. 23, Issue 2, 90(2025)
Effects of Different Polishing Methods on Surface Quality of Biopsy Needle by Laser Cutting
Figures & Tables(15)
![[in Chinese]](/Images/icon/loading.gif){kind=icon}
Table 1. [in Chinese]
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化学成分 C Si Mn P S Cr Ni Mo 质量分数/% ≤0.08 ≤1 ≤2 ≤0.045 ≤0.03 16~18 10~14 2~3
Table 2. [in Chinese]
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工艺参数 激光功率/W 切割速度/（mm·s−1） 脉冲频率/Hz 脉冲宽度/μs 气体气压/ Mpa 切割喷嘴/ mm 数值 90 10 400 40 0.7 0.2
Table 3. [in Chinese]
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抛光方式 未抛光 EPP MAF EP 活检针1/μm 0.393 0.276 0.188 0.310 活检针2/μm 0.369 0.249 0.219 0.314 活检针3/μm 0.350 0.278 0.202 0.336 平均值/μm 0.371 0.268 0.203 0.320
Table 4. [in Chinese]
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抛光方式 自腐蚀电位/mV 自腐蚀电流密度/（mA·cm−2） 未抛光 −599.185 1.62×10−4 EPP −472.283 7.67×10−5 MAF −472.459 4.56×10−5 EP −617.260 7.01×10−5
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Xiaqing XIONG, Yiyun CUI, Hongrong SUN, Ji WANG, Lili HU, Kai XU. Effects of Different Polishing Methods on Surface Quality of Biopsy Needle by Laser Cutting[J]. Experiment Science and Technology, 2025, 23(2): 90
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Received: Mar. 12, 2024
Accepted: --
Published Online: May. 9, 2025
The Author Email: Xiaqing XIONG (xiongxaq@sjtu.edu.cn)
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