复合阻尼钢板T型接头激光焊接工艺T-joint laser welding process for composite damping steel plate
宋新华;金湘中;修腾飞;宋斌;
摘要(Abstract)：
为满足日益复杂的焊接构件,利用六轴五联动SESAMO型三维激光切割机床对复合阻尼钢板T型接头进行激光焊接试验,采用ANSYS仿真方法选用高斯热源模拟不同激光入射角和焊接速度下工件的温度场。结果表明:仿真获得的焊接熔池形状与试验结果基本吻合;不同激光入射角有最佳的焊接速度使工件间的焊接面积最大,在激光入射角为30°时,焊接速度最佳为30 m/h;任何焊接速度下激光入射角都不应大于45°;金相试验发现焊缝无裂缝和夹渣,证明T型接头激光焊接良好。
关键词(KeyWords)： 复合阻尼钢板;T型接头;激光入射角;焊接速度;显微组织
基金项目(Foundation): 国家自然科学基金（50875079;51875189）;; 湖南省自然科学基金（2018JJ5055）;; 湖南省教育厅科学研究项目（18C1778）
作者(Author): 宋新华;金湘中;修腾飞;宋斌;
Email:
DOI: 10.14024/j.cnki.1004-244x.20200519.001
参考文献(References)：
- [1]安新.化工机械设备噪音的危害及降噪措施[J].科学技术创新，2018(20):164-165.
- [2]谢纯，钱文元，计伟志.汽车用复合阻尼钢板胶粘剂的制作及性能测试[J].中国胶粘剂，1992(3):54-56.
- [3]CHO H H,HONG S T,ROH J H,et al. Three dimensional numerical and experimental investigation on friction stir welding processes of ferritic stainless steel[J]. Acta Materialia,2013,61(7):2649-2661.
- [4]卢艳，张静，胡敬佩，等.激光焊接铝合金材料过程的建模与仿真[J].热加工工艺，2012,41(1):130-133.
- [5]KIK T,GóRKA J. Numerical simulations of laser and hybrid S700MC T-joint welding[J]. Materials,2019,12(3):516.
- [6]ELYASI M,DERAZKOLA H A. Experimental and thermomechanical study on FSW of PMMA polymer T-joint[J]. The International Journal of Advanced Manufacturing Technology,2018,97(1/2/3/4):1445-1456.
- [7]JANASEKARAN S,JAMALUDIN M F,MUHAMAD M R,et al. Autogenous double-sided T-joint welding on aluminum alloys using low power fiber laser[J]. The International Journal of Advanced Manufacturing Technology,2017,90(9/10/11/12):3497-3505.
- [8]宋新华，金湘中，修腾飞，等.复合阻尼钢板激光深熔焊接数值模拟[J].热加工工艺，2014,43(7):164-166.
- [9]SHAHRI H R F,MAHDAVINEJAD R. Prediction of temperature and HAZ in thermal-based processes with Gaussian heat source by a hybrid GA-ANN model[J]. Optics&Laser Technology,2018,99:363-373.
- [10]MA Jingxuan,SUN Yuxin,YANG Jialing. Analytical solution of dual-phase-lag heat conduction in a finite medium subjected to a moving heat source[J]. International Journal of Thermal Sciences,2018,125:34-43.
- [11]FORSLUND R,SNIS A,LARSSON S. Analytical solution for heat conduction due to a moving Gaussian heat flux with piecewise constant parameters[J]. Applied Mathematical Modelling,2018,66:227-240.
- [12]LIU Kai,YANG Fan,WANG Shaohua,et al. The research on the heat source characteristics and the equivalent heat source of the arc in gaps[J]. International Journal of Heat and Mass Transfer,2018,124:177-189.
- [13]VENKATKUMAR D,RAVINDRAN D,SELVAKUMAR G.Finite element analysis of heat input effect on temperature,residual stresses and distortion in butt welded plates[J]. Materials Today:Proceedings,2018,5(2):8328-8337.
- [14]宋新华，修腾飞，金湘中，等.激光辅助加热搅拌摩擦焊3维流场数值模拟[J].激光技术，2016,40(3):353-357.