Advanced Search
DU Jinsong1, YAN Jiazhen1, CAO Jianguo1, YANG Deyong2, XIN Chenlai1. FEM analysis of distribution of thermal stresses at sapphire/kovar alloy brazed joint[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2017, 38(8): 87-90. DOI: 10.12073/j.hjxb.20151005003
Citation: DU Jinsong1, YAN Jiazhen1, CAO Jianguo1, YANG Deyong2, XIN Chenlai1. FEM analysis of distribution of thermal stresses at sapphire/kovar alloy brazed joint[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2017, 38(8): 87-90. DOI: 10.12073/j.hjxb.20151005003

FEM analysis of distribution of thermal stresses at sapphire/kovar alloy brazed joint

More Information
  • Received Date: October 04, 2015
  • Using ANSYS finite element software, the stress field and temperature field of brazed joint which brazing filler metal is Ag-Cu-Ti8 was simulated between Sapphire and kovar alloy by the means of elasticplastic analysis. It is simulated that the different positions temperature has changed and filler metal thickness has effect on residual stress and its distribution. It is concluded that the best radial tensile stress of sapphire is 538 MPa in peripheral surface and extends to the border. The calculation results suggested that the real fracture pattern was consistent with the analysis of the finite element method. When the filler metal thickness is 150 μm, this would be lowest stress. Brazing parameters were optimized so that the reality brazing process can be operated .
  • Shang J L, Li N, Yan J Z,etal. Structural characterization of sapphire /niobium joints welding by vacuum brazing with Ti Zr-activated filler metal[J]. Aero Weaponry, 2013, 6(3): 61-64.[2] 万 晋, 李 佳, 林少雄, 等. 球罐焊接残余应力数值模拟分析[J]. 焊接学报, 2016, 37(4): 89-92. Wan Jin, Li Jia, Lin Shaoxiong,etal. Numerical simulation analysis of welding residual stresses in spherical tank[J]. Transactions of the China Welding Institution, 2016, 37(4): 89-92.[3] 陈 波, 熊华平, 毛 唯, 等. 采用Ag基钎料真空钎焊Al2O3陶瓷[J]. 焊接学报, 2016, 37(11): 47-50. Chen Bo, Xiong Huaping, Mao Wei,etal.Vacuum brazing of Al2O3ceramic using Au-based brazing filler[J]. Transactions of the China Welding Institution, 2016, 37(11): 47-50.[4] Jin Y Z. The bonding of ceramic and metal[J]. Transactions of Japan Welding Institute, 1993, 11(3): 66-71.[5] Neilsen M K, Stephens. International brazing & soldering conference proceedings[C]∥New Mexico: Aluquerque, 2000: 411-418.[6] Fang H Y, Yang J G, Yu X Y. Microstructure of the Al2O3/Al2O3joint brazed with Cu-Zn-Ti filler metal[J]. Journal of Materials Science and Technology, 2001, 17: 186-188.[7] Yang J G, Ji S D, Fang H Y. Theoretical study and numerical simulation of the stress fields of the Al2O3joints brazed with composite filler materials[J]. China Welding, 2006, 15(3): 55-58.[8] Zhao J L. Thermal dynamics simulation of brazed diamond bit in cooling proce[D]. Beijing: China University of Geosciences, 2015.[9] Wang T P, Microstructure and mechanical properties and numerical simulation of the Si3N4 ceramic/42CrMo steel brazed with Ag-Cu-Ti+TiNp composite filler[D]. Harbin: Harbin Institute of Technology, 2012.[10] Galli M, Botsis J. Relief of the residual stresses in ceramic-metal joints by a layered braze structure[J]. Advanced Engineering Materials, 2006, 8(3): 197-201.[11] Ying M N, Ma X S. Plastic mechanics of engineering[M]. Beijing: High Education Press, 1983.
  • Related Articles

    [1]WANG Hongyu, HUANG Jinlei, CHEN Sheng, ZHU Jian, MAO Jizhou. Analysis of the theory and temperature field of additive manufacturing with powder core wire based on Cu-Al-Fe alloy[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2023, 44(4): 111-119. DOI: 10.12073/j.hjxb.20220519002
    [2]LI Yongqiang, Zhao He, Zhao Xihua, Jiang Wenhu, Zhang Weihua. Numerical simulation of RSW temperature field during aluminum alloys LB-RSW[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2009, (4): 29-32.
    [3]XU Peiquan, ZHAO Xiaohui, HE Jianping, XU Guoxiang, YU Zhishui. Simulation on temperature field for Invar alloy during TIG welding[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2008, (6): 37-40.
    [4]MA Lin, YUAN Jinping, ZHANG Ping, ZHAO Junjun. Finite numerical simulation of temperature field in multi-pass laser cladding[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2007, (7): 109-112.
    [5]HU Jun-feng, YANG Jian-guo, FANG Hong-yuan, LI Guang-min, CHEN Wei. Temperature field of arc gouging and its influence on microstructures[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2006, (5): 93-96.
    [6]HAN Guo-ming, LI Jian-qiang, YAN Qing-liang. Modeling and simulating of temperature field of laser welding for stainless steel[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2006, (3): 105-108.
    [7]DU Han-bin, HU Lun-ji, WANG Dong-cuan, SUN Cheng-zhi. Simulation of the temperature field and flow field in full penetration laser welding[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2005, (12): 65-68,100.
    [8]XUE Zhong ming, GU Lan, ZHANG Yan hua. Numerical simulation on temperature field in laser welding[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2003, (2): 79-82.
    [9]Zou Zengda, Wang Xinhong, Qu Shiyao. Numerical Simulation of Temperature Field for Weld-repaired Zone of White Cast Iron[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 1999, (1): 24-29.
    [10]Xu Qinghong, Guo Wei, Tian Xitang, Li Zhi. Numerical Simulation and Experiment of Temperature Field of Laser Cladding[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 1997, (2): 58-62.
  • Cited by

    Periodical cited type(2)

    1. 庞嘉尧,程伟. 铝合金搅拌摩擦焊接头疲劳性能研究进展. 兵器材料科学与工程. 2025(01): 164-175 .
    2. 邹阳,魏巍,范悦,王泽震,王强,赵亮. 铝合金搅拌摩擦焊工艺研究进展. 热加工工艺. 2024(03): 7-13 .

    Other cited types(2)

Catalog

    Article views (837) PDF downloads (437) Cited by(4)

    /

    DownLoad:  Full-Size Img  PowerPoint
    Return
    Return