Volume 23 Issue 4
Apr.  2008
Turn off MathJax
Article Contents
Article Navigation >  Journal of Aerospace Power  > 2008  >  23(4): 730-736
WU Qi, QIU Hui-qing, GUO Hai-ding. Studying for low-cycle fatigue fractal damage evolution on TC11 Ti alloy welded joint[J]. Journal of Aerospace Power, 2008, 23(4): 730-736.
Citation: WU Qi, QIU Hui-qing, GUO Hai-ding. Studying for low-cycle fatigue fractal damage evolution on TC11 Ti alloy welded joint[J]. Journal of Aerospace Power, 2008, 23(4): 730-736.
shu

Studying for low-cycle fatigue fractal damage evolution on TC11 Ti alloy welded joint

  • 1.

    College of Mechanical Engineering, Tongji University, Shanghai 201804, China

  • 2.

    College of Eenergy and Power Engineering, Nanjing University Aeronautics and Astronautics, Nanjing 200016, China

  • Received Date: 2007-03-24
  • Rev Recd Date: 2007-10-22
  • Publish Date: 2008-04-28
    Abstract
  • Based on damage mechanics and fractal theory,a damage evolution equation of welded joints is built up which it involves surface factal characteristics of fatigue fracture suface based on statistical self-similarity of surface profiler of fatigue fracture surface.Two dimensional fractal dimension and Parameters in damage evolution equations of fracture surface in Titanium alloy Ti-6.5Al-3.5Mo1.5Zr-0.3Si(TC11) is obtained according to the related experimental data.So damage evolution equations of low-cycle fatigue life under three levels loads in TC11 is established and these models are compared with damage evolution equations abased on line fractal charactertistic in fracture surface.

     

    • FullText(HTML)
  • loading
    • References(7)
  • [1]
    邬华芝,郭海丁,高德平.焊接接头低周疲劳损伤分形演化模型[J].焊接学报,2003,24(1):88-90.WU Huazhi,GUO Haiding,GAO Deping.Fractal damage evolution model of low-cycled fatigue in welded joint[J].Transactions of the China Welding Institution,2003,24(1):88-90.
    [2]
    左建政.GH150高温合金及其焊接结构的疲劳损伤与寿命预测[D].西安;西安交通大学,1996.ZUO Jianzheng.Fatigut damage and life prediction of superalloy GH150 and welded structure[D].Xi'an:Xi'an Jiaotong Unirersity,1996.(in Chinese)
    [3]
    Ganti S,Bhushan B,Generalized fractal analysis and its applications to engineering surfaces[J].Wear,1995,180:17-34.
    [4]
    谢和平,鞠杨.分数维空间中的损伤力学研究初探[J].力学学报,1999,31(3):300-310.XIE Heping,JU Yang.A study of damage mechanics theory in fractional dimensional space[J].Chinese Journal of Theoretical and Applied Mechanics,1999,31(3):300-310.
    [5]
    董聪,郦正能.疲劳断口分维测量原理及其物理机制[J]北京航空航天大学学报,1995,21(2):28-32.DONG Cong,LI Zhengneng.Principle and mechanism of fractal dimension measuring of fatigue fracture surface[J].Journal of Beijing University of Aeronautics and Astronautics,1995,21(2):28-32.
    [6]
    许开旺.TC11钛合金焊接接头低周疲劳宏细观损伤模型研究[D].南京:南京航空航天大学,2004.XU Kaiwang.An experimental study on low-cycle fatigue of TC11 alloy welded joints[D].Nanjing:Nanjing Unirersity of Aeronautics and Astronautics,2004.(in Chinese)
    [7]
    Gagnepan J J,Roques-Carmes C.fractal approach to two dimensional and three dimensional surface roughness[J].Wear,1986:109(11):119-126.
    • Relative Articles
    • Supplements(0)
    • Cited By
  • 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
    Get Citation
    PDF(1350.0KB)
    XML

    Article Metrics

    Article views (2030) PDF downloads(469) Cited by()
    Proportional views
    Related

    Copyright © 《Journal of Aerospace Power》 All Rights Reserved.

    Supported by: Beijing Renhe Information Technology Co., Ltd.  

    /

    DownLoad:  Full-Size Img  PowerPoint
    Return
    Return