基于激光加工的微米级平行沟槽表面润湿性实验研究  

Experimental Study on Wettability of Micro Periodic Grooved Surface by Laser Processing

作　　者：付川 张红哲[1] 何福本[1] 王硕 FU Chuan;ZHANG Hongzhe;HE Fuben;WANG Shuo(School of Mechanical Engineering, Dalian University of Technology, Dalian 116024, China)

机构地区：[1]大连理工大学机械工程学院,辽宁大连116024

出　　处：《机械工程师》2018年第3期69-73,共5页Mechanical Engineer

摘　　要：生物医用材料表面润湿性是影响其生物相容性的一个重要影响因素。通过改变激光加工工艺参数,在钛合金基底上制备不同微结构尺寸的平行沟槽结构,采用白光干涉的方法测量钛合金表面平行沟槽的轮廓形貌,分别从平行和垂直纹理方向上对静态接触角、前进角和后退角进行测量,分析材料表面微结构对润湿性的影响,并探讨微结构尺寸与能量壁垒之间的关系。Surface wettability of biomedical materials is one of important factors affecting the biocompatibility.In this paper,periodic grooved surfaces with different micro-structure dimensions are processed on titanium alloy by changing the laser processing parameters,and the contours of grooved surfaces are detected by white light interference microscopy.In perpendicular and parallel direction to the grooves,the static contact angles,advancing angles and receding angles are measured accordingly.The effect of micro-structure on the wetting property is analyzed,and the relationship between micro-structures and energy barriers is also discussed.

关 键 词：接触角 激光加工 平行沟槽 能量壁垒 

分 类 号：TH136[机械工程—机械制造及自动化] TN249[电子电信—物理电子学]