中国激光, 2016, 43 (9): 0902003, 网络出版: 2018-05-25
飞秒激光诱导钛合金表面形貌变化的规律 下载: 567次
Rule of Morphology Variation of Ti Alloy Surface Induced by Femtosecond Lasers
激光技术 表面形貌 飞秒激光 钛合金 条纹结构 驼峰结构 laser technique surface morphology femtosecond laser titanium alloy ripple structure hump structure
摘要
研究了飞秒激光诱导的钛合金表面微纳结构随激光能量密度和脉冲个数的变化规律,并给出了微纳结构的扫描电子显微镜图。研究结果表明,钛合金表面微纳结构的演化主要经过4个阶段,依次为无激光诱导周期表面结构阶段、经典条纹结构阶段、经典与非经典条纹结构并存阶段和微驼峰结构阶段。进一步的研究表明,非经典条纹的周期随着激光能量密度或脉冲个数的增加而增加。
Abstract
The variation rule of micro-nano structures on titanium alloy surface induced by femtosecond lasers as a function of the laser energy density and pulse number is investigated, and the scanning electron microscope images of these micro-nano structures are shown. The research results indicate that the evolution of micro-nano structure on the titanium alloy surface mainly includes four phases, in the order of no-laser-induced periodic surface structure phase, classical ripple structure phase, classical and non-classical ripple structure coexisting phase, and micro-hump structure phase. Further research indicates that non-classical ripple cycle increases with the increase of laser energy density or pulse number.
周树清, 马国佳, 王春华, 张伟. 飞秒激光诱导钛合金表面形貌变化的规律[J]. 中国激光, 2016, 43(9): 0902003. Zhou Shuqing, Ma Guojia, Wang Chunhua, Zhang Wei. Rule of Morphology Variation of Ti Alloy Surface Induced by Femtosecond Lasers[J]. Chinese Journal of Lasers, 2016, 43(9): 0902003.