激光与光电子学进展, 2020, 57 (13): 131402, 网络出版: 2020-07-09
典型激光参数对高硅铝合金缸套表面微坑几何形貌影响 下载: 952次
Effect of Typical Laser Parameters on Micro-Dimple Geometry of High-Silicon Aluminum Alloy Cylinder Liner Surface
图 & 表
图 1. 铝合金缸套抛光后表面形貌及参数。 (a)金相照片;(b)粗糙度
Fig. 1. Surface morphology and parameters of polished aluminum alloy cylinder liner. (a) Metallograph; (b) roughness
图 3. 微坑的几何形貌表征。(a)表面形貌;(b)截面轮廓
Fig. 3. Characterization of geometry topography of micro-dimple. (a) Surface topography; (b) cross-sectional profile
图 4. 能量密度对微坑几何形貌的影响。(a)直径、深度;(b)烧蚀体积
Fig. 4. Influence of energy density on micro-dimple geometry topography. (a) Diameter and depth; (b) ablation volume
图 5. 不同脉冲次数下微坑的三维形貌图。(a) 1次;(b) 5次;(c) 10次;(d) 20次;(e) 30次;(f) 50次
Fig. 5. Three dimensional topography of micro-dimple under different pulse numbers. (a) 1 pulse; (b) 5 pulses; (c) 10 pulses; (d) 20 pulses; (e) 30 pulses; (f) 50 pulses
图 6. 脉冲次数对微坑尺寸及体积的影响。(a)直径、深度;(b)烧蚀体积
Fig. 6. Effect of pulse number on size and volume of micro-dimples. (a) Diameter and depth; (b) ablation volume
图 7. 能量密度为18 J/cm2及180 J/cm2时的微坑边缘硬度柱状图
Fig. 7. Histogram of hardness on edge of dimple at energy density of 18 J/cm2 and 180 J/cm2
图 10. 不同面积占有率的微织构表面形貌。(a) 5%;(b) 10%;(c) 20%
Fig. 10. Micro-textured surface topography with different area occupancies. (a) 5%; (b) 10%; (c) 20%
表 1铝合金缸套的主要化学成分
Table1. Main chemical composition of aluminum alloy cylinder liner
|
表 2摩擦磨损试验参数
Table2. Friction and wear test parameters
|
吕佳霏, 韩晓光, 赫冬, 杜凤鸣, 陈玉珍, 徐久军. 典型激光参数对高硅铝合金缸套表面微坑几何形貌影响[J]. 激光与光电子学进展, 2020, 57(13): 131402. Jiafei Lü, Xiaoguang Han, Dong He, Fengming Du, Yuzhen Chen, Jiujun Xu. Effect of Typical Laser Parameters on Micro-Dimple Geometry of High-Silicon Aluminum Alloy Cylinder Liner Surface[J]. Laser & Optoelectronics Progress, 2020, 57(13): 131402.