扫 描 看 全 文
赵琦，程家豪，焦传佳，等.Q235薄板焊接变形的试验研究与模拟分析［J］.电焊机，2023，53（6）：76-82.
ZHAO Qi, CHENG Jiahao, JIAO Chuanjia, et al.Q235 Sheet Welding Deformation Analysis of the Experiment and Simulation[J].Electric Welding Machine, 2023, 53(6): 76-82.
为了获取薄板焊接中瞬态变形过程规律，以及试件尺寸对焊后变形的影响规律，基于三维光学面扫描测量系统，分析了Q235薄板焊接中的焊缝区域及关键点的瞬态变形过程。根据试验测试对建立的有限元模型进行修正，采用开发的有限元模型详细讨论了试件尺寸对Q235薄板焊接面外变形的影响规律及产生机理。对比修正后的有限元模型分析与实验测试结果一致，通过仿真模拟得到：在薄板长度一定时，随着板宽度的增加，纵向弯曲程度降低，角变形变化不明显；在薄板宽度一定时，随着板长度的增加，纵向弯曲程度和角变形均增加。试板长宽比对焊缝纵向塑性应变的大小和分布的作用范围影响不大，对焊缝横向应变分布范围和大小有较大影响。该研究为工业生产中判断及降低焊后变形提供有效指导。
In order to obtain the rule of transient deformation process in thin plate welding and the influence of specimen size on the deformation after welding. Based on the three-dimensional optical surface scanning measurement system, the transient deformation process of weld area and key points in Q235 sheet welding was analyzed. According to the test, the finite element model was modified, and the influence law and mechanism of specimen size on the out-of-plane welding deformation of Q235 thin plate were discussed in detail by using the developed finite element model. The analysis of the modified finite element model is consistent with the experimental test results. The simulation results show that when the thin plate length is fixed, the longitudinal bending degree decreases with the increase of the width of the plate, and the change of the Angle deformation is not obvious. When the width of the thin plate is constant, the longitudinal bending degree and angular deformation increase with the increase of the length of the plate. The ratio of length to width of the test plate has little influence on the size and distribution of the longitudinal plastic strain of the weld, but has great influence on the transverse strain distribution range and size of the weld. This study provides effective guidance for judging and reducing post-welding deformation in industrial production.
三维光学面扫描测量系统薄板焊接变形有限元仿真机理
three-dimensional optical surface scanning measurement systemthin platewelding deformationfinite element simulationmechanism
Ueda Y， Murakawa H， Ma N. Welding deformation and residual stress prevention［M］. Elsevier，2012.
Jang C D，Lee C H. A Study on the Prediction and Control of Welding Deformations of Ship Hull Blocks［J］. Journal of the society of naval architects of Korea， 2000， 37（2）： 127-136.
Srivastava B K， Tewari S P， Prakash J. A review on effect of preheating and/or post weld heat treatment （PWHT） on mechanical behavior of ferrous metals［J］. International Journal of Engineering Science and Technology， 2010， 2（4）： 625-631.
Yadaiah N， Bag S. Development of egg-configuration heat source model in numerical simulation of autogenous fusion welding process［J］. International Journal of Thermal Sciences， 2014， 86：125-138.
张卫之， 程焰林. 氩弧焊数值模拟中高斯面热源加载方式探究［J］. 热加工工艺，2015，44（13）：235-237+240.
ZHANG W Z，CHENG Y L. Research on Loading Method of Gaussian surface heat source in argon arc welding numerical Simulation［J］. Hot Working Technology， 2015，44（13）：235-237+240.
Li Y， Feng Y H， Zhang X X， et al. An improved simulation of heat transfer and fluid flow in plasma arc welding with modified heat source model［J］. International journal of thermal sciences， 2013， 64： 93-104.
王传财，高作文，权力伟.薄壁铝合金T形结构MIG焊接热源复合模型的构建与模拟［J］. 电焊机，2023，53（1）：25-30.
WANG C C， GAO Z W， QUAN L W.Construction and Simulation of Heat Source Composite Model for MIG Welding of T-shaped Thin Wall Aluminum Alloy［J］.Electric Welding Machine， 2023， 53（1）： 25-30.
Murakawa H， Deng D， Ma N， et al. Applications of inherent strain and interface element to simulation of welding deformation in thin plate structures［J］. Computational Materials Science， 2012， 51（1）： 43-52.
Mochizuki M， Okano S. Effect of welding process conditions on angular distortion induced by bead-on-plate welding［J］. ISIJ International， 2018， 58（1）： 153-158.
Deng D， Murakawa H， Shibahara M. Investigations on welding distortion in an asymmetrical curved block by means of numerical simulation technology and experimental method［J］. Comput. Mater. Sci.，2010，48：187-194.
陈祀萍，毛志涛，姬恒举，等. 试件尺寸对Q345薄板单道堆焊接头变形的影响［J］. 焊接学报，2017，38（12）：125-128+134.
CHEN S P，MAO Z T，JI H J，et al. Effect of specimen size on Deformation of single pass Surfacing Joint of Q345 Sheet［J］. Transactions of the China Welding Institution，2017，38（12）：125-128+134.
Liu Y， Wang P， Fang H， et al. Mitigation of residual stress and deformation induced by TIG welding in thin-walled pipes through external constraint［J］. Journal of Materials Research and Technology，2021，15：4636-4651.
Liu Y， Ma N， Lu F， et al. Measurement and analysis of welding deformation in arc welded lap joints of thin steel sheets with different material properties［J］. Journal of Manufacturing Processes， 2021， 61： 507-517.
常天根，高月华，刘其鹏.考虑夹具接触约束的FSW焊接变形的固有应变法预测［J］. 电焊机， 2022，52（2）：17-25.
CHANG T G， GAO Y H， LIU Q P.Prediction of FSW Wwelding Deformation by Inherent Strain Method Considering Fixture Contact Constraints［J］. Electric Welding Machine， 2022， 52（2）： 17-25.
Deng D， Zhou YJ， Bi T. Experimental and numerical investigations of welding distortion induced by CO2 gas arc welding in thin-plane bead-on joints［J］. Mater Des.， 2013，52：720-729.
Vasantharaja P， Maduarimuthu V， Vasudevan M， et al. Assessment of residual stresses and distortion in stainless steel weld joints［J］. Mater Manuf Process， 2012，27（12）：1376-1381.
Mert T， Tsai C L， Babu S S， et al. Strain-based assessment and modeling for low-distortion welding procedure［J］. Mater Manuf Process，2012，27（9）：943-948.
Sutton M A， Cheng M， Peters W H， et al. Application of an optimized digital correlation method to planar deformation analysis［J］. Image Vision Computing，1986， 4（3）： 143-150.
Peters W， Ranson W. Digital imaging techniques in experimental stress analysis［J］. Optical Engineering， 1982， 21（3）：427-431.
Guo N， Yin X， Liang J， et al. Weld bead distortion of thin-plate using weak digital image correlation method［J］.Journal of Materials Engineering and Performance，2016， 25（11）： 4952-4958.
Huang H， Yin X， Feng Z， et al. Finite element analysis and in-situ measurement of out-of-plane distortion in thin plate TIG welding［J］. Materials， 2019， 12（1）： 141.
方洪渊. 焊接结构学［M］. 北京： 机械工业出版社，2008.
相关作者
相关机构
公网安备11010802024621