7075铝合金超声振动切削残余应力的仿真及实验Simulation and experiment of residual stress of 7075 aluminum alloy in ultrasonic vibration cutting
罗恒;王优强;张平;
摘要(Abstract)：
为探究不同热处理工艺下7075铝合金超声振动切削残余应力的分布,基于AdvantEdge有限元分析软件对3种不同热处理工艺(O、T6、T73)下的7075铝合金进行超声振动切削加工仿真,得到残余应力随振动参数(频率和振幅)的变化规律。结果表明:随着超声振幅和振动频率的增大,3种热处理态下7075铝合金的残余应力均呈下降、上升再下降的"勺形"曲线;7075-T6态的残余应力值最大,7075-T73态次之,7075-O态最小;对仿真结果进行试验验证,可得仿真值与试验值吻合较好,为7075铝合金超声振动切削残余应力的控制提供一定的理论基础。
关键词(KeyWords)： 7075铝合金;热处理工艺;切削加工;超声振动;有限元
基金项目(Foundation): 国家自然科学基金(51575289;51705270);; 山东省自然科学基金培养基金(2016ZRB01AJX)
作者(Author): 罗恒;王优强;张平;
Email:
DOI: 10.14024/j.cnki.1004-244x.20190606.002
参考文献(References)：
- [1]WANG Junlei,LI Chenjing,ZHANG Xinxin,et al. Corrosion behavior of aspergillus niger on 7075 aluminum alloy and the inhibition effect of zinc pyrithione biocide[J]. Journal of the Electrochemical Society,2019,166(8):G39-G46.
- [2]MURALIRAJA R,ARUNACHALAM R,AL-FORI I,et al. Development of alumina reinforced aluminum metal matrix composite with enhanced compressive strength through squeeze casting process[J]. Proceedingofthe Institutionof Mechanical Engineers,Part L:Journalof Materials:Designand Applications,2019,233(3SI):307-314.
- [3]REYNA-MONTOYA J S,GARCIA-RENTERIA,CRUZ-HERNANDEZ,et al. Effect of electromagnetic interaction on microstructure and corrosion resistance of 7075 aluminium alloy during modified indirect electric arc welding process[J]. Transactions of Nonferrous Metals Society of China,2019,29(3):473-484.
- [4]ABRAHAMS R,MIKHAIL J,FASIHI P. Effect of friction stir process parameters on the mechanical properties of 5005-H34and 7075-T651 aluminium alloys[J]. Materials Science and Engineering A:Structural Mateials Properties Microstructureand Processing,2019,751:363-373.
- [5]张翔宇,隋翯,姜兴刚,等.超声振动切削技术发展简述[J].电加工与模具,2018(1):1-6.
- [6]陈斌,徐可伟,朱训生.超声振动切削薄壁镜筒零件的研究[J].机械工程师,2001(1):40-42.
- [7]张翔宇,隋翯,姜兴刚,等.高速超声振动切削钛合金可行性研究[J].机械工程学报,2017,53(19):120-127.
- [8]高延峰,陈晖,姜毅.高温钛合金BTi6431S超声振动车削实验研究[J].南昌大学学报(工科版),2017,39(3):263-267.
- [9]栾晓明,胡斌梁,周知进. 7075-T6铝合金单向超声振动车削表面质量及形貌特征[J].湖南科技大学学报(自然科学版),2014,29(2):27-30.
- [10]王明海,李世永,郑耀辉,等.超声振动铣削加工切削温度有限元仿真研究[J].制造业自动化,2013,35(24):42-45.
- [11]许金凯,任欢欢.基于DEFORM-3D的钛合金超声振动钻削加工特性分析[J].工具技术,2018,52(8):101-104.
- [12]XU Weixing,ZHANG Liangchi. Heat effect on the material removal in the machining of fibre-reinforced polymer composites[J]. International Journal of Machine Tools&Manufacture,2019,140:1-11.
- [13]BAI Wei,BISHT Anuj,ROY Anish,et al. Improvements of machinability of aerospace-grade Inconel alloys with ultrasonically assisted hybrid machining[J]. The International Journal of Advanced Manufacturing Technology,2019,101(5/6/7/8):1143-1156.
- [14]LIU Jiajia,JIANG Xinggang,HAN Xiong,et al. Influence of parameter matching on performance of high-speed rotary ultrasonic elliptical vibration-assisted machining for side milling of titanium alloys[J]. The International Journal of Advanced Manufacturing Technology,2019,101(5/6/7/8):1333-1348.
- [15]VERMA G C,PANDEY P M. Machining forces in ultrasonicvibration assisted end milling[J]. Ultrasonics,2019,94:350-363.