碳碳复合材料的水射流钻孔技术研究
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摘要
针对磨料水射流加工碳碳复合材料的冲孔过程,结合Fluent分析高压磨料水射流的射流压力、靶距对碳碳复合材料冲孔深度的影响;利用ANSYS/Ls-dyna有限元分析软件建立磨料和水的射流冲击模型,针对射流压力是冲孔分层的的主要因素进行仿真,得出材料失效时最大的应力和整个射流过程中应力的变化规律,由最大应力所在位置的层间y向位移变化确定分层情况;根据仿真结果进行相应的试验研究,并将仿真结果与实验结果进行对比分析,验证了射流仿真模型的可行性和有效性。
For punching process of carbon-carbon composite processed by abrasive water jet, combined with Fluent analysis of the impact of high pressure abrasive water jet pressure and target distance on carbon-carbon composite punching depth; by Using ANSYS/Ls-dyna Finite element analysis software the impact model of abrasive and water jet is established. To simulate with that the jet pressure is the main factor of punching and stratification, obtaining the maximum stress when the material loses efficacy and the change regulation of stress through the whole jet process, The stratification by the adjacent layer in the y-direction displacement changes of the position of maximum stress is defined. To conduct the corresponding experimental study according to the simulation result, the simulation results and experimental results are compared to verify the feasibility and effectiveness of the jet simulation model.
For punching process of carbon-carbon composite processed by abrasive water jet, combined with Fluent analysis of the impact of high pressure abrasive water jet pressure and target distance on carbon-carbon composite punching depth; by Using ANSYS/Ls-dyna Finite element analysis software the impact model of abrasive and water jet is established. To simulate with that the jet pressure is the main factor of punching and stratification, obtaining the maximum stress when the material loses efficacy and the change regulation of stress through the whole jet process, The stratification by the adjacent layer in the y-direction displacement changes of the position of maximum stress is defined. To conduct the corresponding experimental study according to the simulation result, the simulation results and experimental results are compared to verify the feasibility and effectiveness of the jet simulation model.
引文
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[15]李志凯.碳纤维增强复合材料切削试验与仿真研究[D].南昌:南昌航空大学,2014.LI Zhikai.Study of cutting experiment and simulation of carbon fiber reinforced composites[D].Nanchang:Nanchang Hangkong University,2014.
[2]王伟.高压磨料水射流切割碳纤维复合材料的试验研究[D].哈尔滨:哈尔滨理工大学,2015.WANG Wei.Study on the experiment of carbon fiber composite materials with high一pressure AWJ cutting[D].Harbin:Harbin University of Science and Technology,2015.
[3]曹国强,张睿.高压水射流研究现状及应用[J].沈阳航空航天大学学报,2017,34(3):1-16.CAO Guoqiang,ZHANG Rui.Review on high pressure water jet[J].Journal of Shenyang Aerospace University,2017,34(3):1-16.
[4]鲍永杰,高航.碳纤维复合材料构件加工缺陷与高效加工对策[J].材料工程,2009(S2):254-259.BAO Yongjie,GAO Hang.Drilling disfigurements formation analysis and solution of CFRP[J].Journal of Materials Engineering,2009(S2):254-259.
[5]KAMLESH P,RAMESH S,SANDIP P,et al.Delamination characterization and comparative assessment of delamination control techniques in abrasive water jet drilling of CFRP[J].Procedia Manufacturing,2016,5:521-535.
[6]ZHANG Fenglian,JING Zhu.An experimental study of drilling small and deep blind holes with an abrasive wtiter jet[J].Modern Manufacturing Engineering,2009,5:87-90.
[7]JOHN M,HABIBA B,FAWAZ Z,et al.Influence of drilling and abrasive water jet induced damage on the performance of carbon fabric epoxy plates with holes[J].Composite Structures,2017,163:257-266.
[8]KARNIK S R,GAITONDE V N,CAMPOS R J.Delamination analysis in high speed drilling of carbon fiber reinforced plastics(CFRP)using artificial neural network model[J].Materials&Design,2008,29(9):1768-1776.
[9]李根生,廖华林,黄中伟,等.超高压水射流作用下岩石损伤破碎机理[J].机械工程学报,2009,45(10):285-293.LI Gensheng,LIAO Hualin,HUANG Zhongwei,et al.Rock damage mechanisms under ultra-high pressure water jet impact[J].Journal of Mechanical Engineering,2009,45(10):285-293..
[10]张成光,张勇,张飞虎,等.磨料水射流加工去除模型研究[J].机械工程学报,2015,51(7):188-196.ZHANG Chengguang,ZHANG Yong,ZHANG Feihu,et al.Study on Removal Model of Abrasive Waterjet Machining.Journal of Mechanical Engineering,2015,51(7):188-196.
[11]苗新刚,武美萍,缪小进.磨料水射流冲蚀工件仿真与试验研究[J].液压气动与密封,2016(1):44-47.MIAO Xingang,WU Meiping,MIAO Xiaojin.Simulation and experimental research of abrasive water jet erosion workpiece[J].Hydraulics Pneumatics&Seals,2016(1):44-47.
[12]叶建友,吕彦明.水射流冲击压力最佳喷距数值仿真与试验研究[J].电加工与模具,2014(5):34-36.YE Jianyou,LU(5)(5)Yanming.Numerical simulation and experimental research on the best jet distances of water jet impact force[J].Electromachining&Mould,2014(5):34-36.
[13]廖华林,李根生,罗学钊,等.超高压水射流冲击应力分布规律的数值分析[J].石油钻采工艺,2004,26(5):8-12.LIAO Hualin,LI Gensheng,LUO Xuezhao,et al.Numerical analysis of the distribution law of impact stress of ultra high pressure water jet[J].Oil Drilling&Production Technology,2004,26(5):8-12.
[14]叶建友,吕彦明.基于FLUENT的水射流冲击力影响因素仿真分析[J].电加工与模具,2014(6):50-52.YE Jianyou,LU(5)(5)Yanming.Simulation and analysis on the influence factors of water jet impact force based on FLUENT[J].Electromachining&Mould,2014(6):50-52.
[15]李志凯.碳纤维增强复合材料切削试验与仿真研究[D].南昌:南昌航空大学,2014.LI Zhikai.Study of cutting experiment and simulation of carbon fiber reinforced composites[D].Nanchang:Nanchang Hangkong University,2014.