Volume 30 Issue 10
Oct.  2004
Turn off MathJax
Article Contents
Mao Yangwu, Zhang Jianjun, Li Shujieet al. Analysis of the residual thermal stresses of SiC joint with Ti/Ag/Ti interlayer by FEM[J]. Journal of Beijing University of Aeronautics and Astronautics, 2004, 30(10): 930-933. (in Chinese)
Citation: Mao Yangwu, Zhang Jianjun, Li Shujieet al. Analysis of the residual thermal stresses of SiC joint with Ti/Ag/Ti interlayer by FEM[J]. Journal of Beijing University of Aeronautics and Astronautics, 2004, 30(10): 930-933. (in Chinese)

Analysis of the residual thermal stresses of SiC joint with Ti/Ag/Ti interlayer by FEM

  • Received Date: 28 Apr 2004
  • Publish Date: 31 Oct 2004
  • With regard to the joining of ceramic to ceramic using metallic interlayers or the joining of ceramic to metal, the mismatch of thermal expansion coefficient between the ceramic and the metallic materials generates residual thermal stresses during joining and cooling. The stresses may cause microcracks leading to low weld strength and even failure of joining. The residual thermal stresses of SiC joint with Ti/Ag/Ti interlayer were analysized by finite element method(FEM). The results indicate that the residual thermal stresses mainly distribute in the area near the welding seam. The area close to the outer surface and near the welding seam is the weakest area of the joint, where cracks are likely to be initiated. The fracture position of the joint indicated by the FEM analysis is in accordance with the result of experiment.

     

  • loading
  • [1] 张建军,李树杰.非氧化物陶瓷连接技术的进展[J].硅酸盐学报,2002,30(1):102~107 Zhang Jianjun, Li Shujie. Progresses of joining techniques of nonoxide ceramics[J]. Journal of the Chinese Ceramic Society, 2002,30(1):102~107(in Chinese) [2] Munz D, Sckuhr M A, Yang Y Y. Thermal stresses in ceramic~metal joints with an interlayer[J]. Journal of the American Ceramic Society,1995, 78(2):285~290 [3]Tinsley N D, Huddleston J, Lacey M R. Reduction of residual stress generated in metal~ceramic joining[J]. Materials and Manufacturing Processes, 1998, 13(4):491~504 [4]Ma Q, Shaw M C, He M Y, et al. Stress redistribution in ceramic/metal multilayers containing cracks[J]. Acta Metallurgical Materials, 1995, 43(6):2137~2142 [5]Rabin B H, Williamson R L. The effect of interlayer properties on residual stresses in ceramic~metal joining [J]. Ceramic Transactions, 1997, 77:137~147 [6] 嘉木工作室编著.ANSYS5.7有限元实例分析教程[M].北京:机械工业出版社,2002 Jiamu Studio. Analysis of ANSYS5.7 finite element method instance[M].Beijing:China Machine Press,2002(in Chinese) [7] 周 玉.陶瓷材料学[M].哈尔滨:哈尔滨工业大学出版社,1995.315~378 Zhou Yu. Ceramics[M]. Harbin:Harbin Institute of Technology Press, 1995.315~378(in Chinese) [8] 沈宁福,张东捷,李仲达.新编金属材料手册[M].北京:科学出版社,2003.2~3 Shen Ningfu, Zhang Dongjie, Li Zhongda. New handbook of metallic materials[M].Beijing:Science Press,2003.2~3(in Chinese)
  • 加载中

Catalog

    通讯作者: 陈斌, bchen63@163.com
    • 1. 

      沈阳化工大学材料科学与工程学院 沈阳 110142

    1. 本站搜索
    2. 百度学术搜索
    3. 万方数据库搜索
    4. CNKI搜索

    Article Metrics

    Article views(3569) PDF downloads(1) Cited by()
    Proportional views
    Related

    /

    DownLoad:  Full-Size Img  PowerPoint
    Return
    Return