激光辅助复合电沉积加工速率及表面质量研究

焦健; 张朝阳; 戴学仁; 朱浩; 徐坤; 顾秦铭

doi:doi:10.7510/jgjs.issn.1001-3806.2018.06.003

激光技术, 2018, 42 (6): 739, 网络出版: 2018-12-25

激光辅助复合电沉积加工速率及表面质量研究

Study on processing speed and surface quality of laser-assisted composite electro-deposition

论文大纲

焦健张朝阳 ^*戴学仁朱浩徐坤顾秦铭

作者单位

江苏大学机械工程学院, 镇江 212013

摘要

为了解决纳米复合电沉积加工速率慢、颗粒易团聚以及沉积层表面质量差等问题, 采用构建高能脉冲激光辅助纳米复合电沉积的方法, 利用激光辐照产生定域微区搅拌, 缓解颗粒团聚现象, 加速电化学反应速率, 提高沉积层表面质量, 并对加工过程进行了有限元仿真和实验验证。结果表明,激光与电化学复合能够明显的提高复合沉积速率, 且激光的冲击作用能够提高晶粒的结合性, 进而促进镀层的致密化;同时此冲击作用也能降低纳米粒子的团聚几率, 细化镀层晶粒。此研究结果对电解加工技术的发展具有一定帮助。

Abstract

In order to solve the problems of slow processing rate of nano composite electrodeposition, easy agglomeration of particles and poor surface quality of deposition layer, the method of building high energy pulsed laser-assisted nano composite electrodeposition was adopted. Laser irradiation was used to produce localized microregion agitation to alleviate the agglomeration of particles, accelerate the electrochemical reaction rate and improve the surface quality of deposition layer. After finite element simulation and experimental verification, the results show that, laser and electrochemical composing can obviously increase the rate of composite deposition, and the impact of laser can increase the binding of grain, and then promote the densification of the coating. At the same time, this impact can also reduce the agglomeration probability of nanoparticles and refine the coating grain. The research results will be helpful to the development of electrochemical machining technology.

参考文献

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焦健, 张朝阳, 戴学仁, 朱浩, 徐坤, 顾秦铭. 激光辅助复合电沉积加工速率及表面质量研究[J]. 激光技术, 2018, 42(6): 739. JIAO Jian, ZHANG Zhaoyang, DAI Xueren, ZHU Hao, XU Kun, GU Qinming. Study on processing speed and surface quality of laser-assisted composite electro-deposition[J]. Laser Technology, 2018, 42(6): 739.

激光辅助复合电沉积加工速率及表面质量研究

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