基于聚合氯化铝电解液的锆合金阵列微孔掩模射流电解加工试验研究  

Experimental study on the microhole array generated with mask electrolyte jet machining based on PAC electrolyte

作　　者：何俊峰 王赞 王俊杰 梁华卓 周莉 HE Junfeng;WANG Zan;WANG Junjie;LIANG Huazhuo;ZHOU Li(School of Mechatronic Engineering,Guangdong Polytechnic Normal University,Guangzhou 510665,China;Department of Architectural Engineering,Guangzhou Panyu Polytechnic,Guangzhou 511487,China)

机构地区：[1]广东技术师范大学机电学院,广州510665 [2]广州番禺职业技术学院建筑工程学院,广州511487

出　　处：《现代制造工程》2023年第9期102-110,共9页Modern Manufacturing Engineering

基　　金：广东省基础与应用基础研究项目(2022A1515110691,2021A1515110528,2017B090913006,2018KZDXM043);广州市基础与应用基础研究项目(202201011219);广东技术师范大学人才启动项目(2021SDKYA030)。

摘　　要：锆具有优异的综合性能,在航空航天、医药和化工等领域具有广阔的应用前景。然而,用现有的加工方法对其进行微细加工时,具有刀具磨损严重、加工效率低、加工质量差等缺点。微细电化学加工在金属微结构制造方面具有独特的优势。提出一种新型聚氯化铝溶液(PAC)作为电解液,利用掩模射流电解加工在锆合金(Zr702)表面进行阵列微孔加工。研究了Zr702在不同质量分数聚氯化铝溶液中的溶解特性。通过试验研究了电解液压强、射流扫描速度和脉冲电压等主要加工参数对加工性能的影响,并通过正交试验进行参数优化,加工出了平均直径为163.20μm,平均深度为85.49μm,深径比为0.524,侧蚀系数为2.055,形貌精度较好的阵列微孔。Zirconium has excellent comprehensive performance which has broad application prospects in aerospace,medicine,chemical industry and other areas.However,there are also shortcomings of zirconium while under micro-processing in the existing machining methods,such as badly worn of knife tool,low processing efficiency,poor processing quality and so on.Micro electrochemical machining has unique advantages in metal micro-structure manufacturing.A new polyaluminum chloride solution(PAC)was proposed as electrolyte,to process microhole array on zirconium alloy(Zr702)with mask electrolyte jet machining.The dissolution characteristics of Zr702 in different concentration solutions of PAC were explored.The influences of machining parameters on machining performance were studied,such as pressure of electrolyte,jet scanning speed and impulse voltage.After optimizing the parameters,a good synthesized quality of microhole array was obtained with an average diameter of 163.20μm,an average depth of 85.49μm,a depth/diameter ratio of 0.524 and a lateral corrosion coefficient of 2.055.

关 键 词：锆合金 掩模射流微细电解加工 PAC电解液 阵列微孔 

分 类 号：TG662[金属学及工艺—金属切削加工及机床]