研磨和激光加工表面多尺度形貌的表征研究
首发时间:2013-12-30
摘要:为了研究微观多尺度表面形貌的表征,综合采用研磨技术和激光微造型技术,以及正交试验的方法,设计和制造出了不同多尺度表面形貌的试件。使用Wyko NT1000非接触式三维光学轮廓仪对多尺度表面进行测量,采用数学形态学方法对表面图像进行多尺度分离,分析表面形貌在不同尺度上的特征及其功能;并采用表面三维表征参数对测量表面进行表征。多尺度分离的结果发现:可以将此多尺度表面分离出两种不同功能成分,分别起承载和润滑的作用。三维参数表征的结果显示:多尺度表面微观结构特性及初磨砂纸粗细与表面三维参数具有一定关联性。
关键词: 激光微造型 研磨加工 多尺度 数学形态学 三维表征参数
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Characterization of grinding and laser-processing multi-scales surface morphology
Abstract:In order to study characterization of microscopic multi-scale morphology , using a combination of grinding and laser-processing,and orthogonal test methods, specimens with different surface morphologies are designed and manufactured . Using Wyko NT1000 3D Optical Profiler to measure the micro-textured, and using a multi-scales separation method , surface topography features and functions at different scales are analyzed based on mathematical morphology; and 3D surface parameters are used to characterize the multi-scales surface. Multi-scale separation results showed that: The multi-scale surface can be separated as two different functional components, and their role are bearing and lubrication. Results of 3D parametric characterization showed that: microstructure of multi-scale surface and the thickness of sandpaper while initial grinding have a certain relevance with 3D surface parameters.
Keywords: Laser surface micro-texturing grinding multi-scale mathematical morphology 3D characterization parameters
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