PEI Liyan,WANG Hui*,SUN Pengpeng,et al.Study on Laser Engraving Process Parameters of Protective Coatings on Titanium Alloy Substrate for Chemical Milling[J].Plating & Finishing,2021,(11):29-35.[doi:10.3969/j.issn.1001-3849.2021.11.006]
钛合金基体化铣保护胶层激光刻型工艺参数研究
- Title:
- Study on Laser Engraving Process Parameters of Protective Coatings on Titanium Alloy Substrate for Chemical Milling
- 文献标志码:
- A
- 摘要:
- 为获得满足刻透化铣胶膜但不伤及钛合金基体的激光刻型工艺参数和一般规律，以AC850激光刻型胶为涂覆层材料，通过设计析因实验研究了工艺参数中激光功率、刻型速度、激光频率等刻蚀深度的影响；结合材料的烧蚀阈值，选取不同激光刻型工艺参数、氩气保护条件与自然条件下进行刻型实验，利用显微镜检测每条刻线刻型质量和影响规律。结果表明，激光刻型功率、刻型速度、激光频率对刻型质量都会产生一定影响，主要取决于激光能量密度决定（0.424~1.67 J/cm2）；在激光功率6 W和刻型速度800 mm/s（即能量密度0.4244 J/cm2）条件下，激光刻线的上下边沿都保持良好的刻线边缘质量。激光平均功率与刻型深度存在线性正相关关系、激光刻型速度与刻型深度存在线性负相关、激光频率受到激光功率影响对刻型存在一定影响，相同进给速度和激光平均功率的参数下，激光的脉冲频率对刻线的质量有较大影响；激光刻型中氩气保护对激光刻型质量无明显的影响。
- Abstract:
- To obtain the process parameters and general rules of laser engraving that penetrate chemical milling protective coating without damaging the titanium alloy matrix, taking AC850 as the protective coating for laser engraving, factorial experiments were designed to study the effects of process parameters on etching depth, including laser power, speed and frequency. Different laser engraving process parameters were selected for engraving experiments, and the engraving quality and influence law of engraving line are detected by microscope. The engraving quality depends on the power, engraving speed and laser frequency, which mainly depends on the laser energy density（0.424-1.67 J/cm2） Under the conditions of laser power 6 W and engraving speed 800 mm/S （i.e. energy density 0.4244 J/cm2）, the edges of laser engraving maintain good engraving edge quality. There is a linear positive correlation between the average laser power and the engraving depth, and a linear negative correlation between the laser engraving speed and the engraving depth. Under the same parameters of feed rate and average laser power, the laser pulse frequency has a great influence on the quality of engraving.Argon protection and natural conditions in laser engraving have no obvious effect on the quality of laser engraving.
参考文献/References:
[1] Hansen J O, Long K C, Jackson M A, et al. Chemical milling process and solution for cast titanium alloys: U.S. Patent 6,793,838[P]. 2004-9-21.
[2] Mahamood R M, Akinlabi E T. Chemical cutting process[J]. Advanced Noncontact Cutting and Joining Technologies, 2018, 2:11-25.
[3] Leone C, Lopresto V, Minutolo F M C, et al. Laser ablation of maskant used in chemical milling process for aerospace applications[C]//XVIII International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers. International Society for Optics and Photonics, 2010, 7751: 77511.
[4] Nelson C. Method and apparatus for automated chemical milling of compound curved surfaces: U.S. Patent 4,523,973[P]. 1985-6-18.
[5] 甘忠, 王亮, 谭海兵, 等. 大型立体化铣样板设计与制造方法探索[J]. 航空制造技术, 2013, 437(17): 78-80.
Gan L, Wang L, Tan H B, et al. Research on design and manufacturing method of large three dimensional chemical milling template. Aeronautical Manufacturing Technology. 2013, 437(17): 78-80, 88. (in Chinese).
[6] 高献娟, 黄青松, 刘宝琪, 等. 三维激光切割工艺在化铣焊接机匣加工中的应用研究[J]. 机械设计与制造, 2012, 7: 92-94.
Gao X J. Huang Q S, Liu B Q,et al. Research on application of three dimensional laser cutting technique in chemical milling and welding case[J]. Machinery Design & Manfacture, 2012, 7:92-94 (in Chinese).
[7] 邱兆峰. 激光切割技术在航空发动机制造中的应用[J]. 金属加工(热加工), 2015, 4:20-25.
Qiu Z F. Application of laser cutting technology in aeroengine manufacturing[J]. Machinist Metal Forming, 2015, 4:20-25 (in Chinese).
[8] 滕志强, 李明, 王辉. 一种大尺寸环形薄壁零件激光刻型新方法[J]. 机械设计与制造, 2016, 12: 177-179, 183.
Teng Z Q, Li M, Wang H. Research on laser engraving method for large annular thin wall parts[J]. Machinery Design & Manufacture, 2016, 12: 177-179, 183
[9] 孙新, 张政斌, 陈素明. 激光刻型技术在铝合金化学铣切中的应用[J]. 科技传播, 2016, 11:227-228.
Sun X, Zhang Z B. Chen S M. Application of laser molding technology in chemical milling of aluminum alloy [J]. Science and Technology Communication, 2016, 11:227-228. (in Chinese).
[10] 尚洪帅, 邹松华, 王帅东, 等. 铝合金表面化铣保护胶层激光刻型的可行性分析[J]. 电镀与涂饰, 2018, 37(24): 1137-1142.
Shang H S, Zou S H, Wang S D, et al. Analysis on feasibility of laser engraving on aluminum alloys with protective coatings for chemical milling[J]. Electropating & Finishing. 2018, 37(24):1137-1142. (in Chinese).
[11] 王帅东, 邹松华, 尚洪帅. 铝合金化学铣切激光刻型工艺参数研究[J]. 电镀与精饰, 2019, 2:39-42.
Wang S D, Zou S H, Shang H S. Study on process parameters of laser engraving of aluminum alloy[J]. Plating and Finishing, 2019, 2:39-42. (in Chinese).
[12] 施曙东. 脉冲激光除漆的理论模型、数值计算与应用研究[D]. 天津:南开大学物理科学学院,2012.
Shi S D Researches on theoretical model, numerical simulation and application of painting removal by laser cleaning[D]. TianJin:School of Physics, Nankai University, 2012 (in Chinese)
[13] Meng J Y, Wang Y Y, Lin C, et al. Development of protective coating for chemical-milling of titanium alloy[J]. Journal of Materials Engineering, 2010, 24(12): 5-7, 34.
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备注/Memo
收稿日期： 2021-06-24；修回日期： 2021-10-26
作者简介： 裴丽艳（1985— ），女，本科，工程师，email：ppio77836@163.com
*通信作者： 王辉，email：wang13940542280@163.com
基金项目： 国家重点研发计划（2016YFB1102503）