EFFECT OF MEAN STRESS ON FATIGUE PERFORMANCE OF WELDED JOINTS TREATED BY UPT

被引：2
|
作者：
Wang DongpoHuo LixingWang TingLi JieZhang YufengDepartment of Material Engineering
机构：
来源：
Chinese Journal of Mechanical Engineering | 2004年 / 04期
关键词：
<Keyword>Ultrasonic; peening; Welded; joints; Fatigue; performance; Mean; stress;
D O I：
暂无
中图分类号：
TG407 [焊接接头的力学性能及其强度计算];
学科分类号：
080201 ; 080503 ;
摘要：
The fatigue contrast tests of unload longitudinal direction corner joints as original welded and treated by ultrasonic peening of Q235B in various stress ratio are directed. The improvements of fatigue performance of unload longitudinal direction corner joints resulted by ultrasonic peening are studied. The effect pattern of stress ratio on fatigue performance of welded joints that are treated by ultrasonic peening is studied. As tests results indicate that: ① In the condition of stress ratio R=-1, the fatigue strength of specimen treated by ultrasonic peening is increased by 165% of that of the original welded specimen. And the fatigue life of specimen treated by ultrasonic peening is as much as 75-210 times of that of the latter. When R=0.1, the fatigue strength is increased by 87% and the fatigue life is extended by 21-29 times. When R=-0.5, the fatigue strength is increased by 123% and the fatigue life is extended by 42-59 times. When R=0.45, the fatigue strength is increased by 51% and the fatigue
引用
收藏
页码：531 / 533
页数：3
相关论文
共 50 条
  • [21] Mean stress correction and fatigue failure criteria for hyperelastic adhesive joints
    Fernandes, Pedro Henrique Evangelista
    Nagel, Christof
    Wulf, Andreas
    Beber, Vinicius Carrillo
    JOURNAL OF ADHESION, 2024, 100 (04) : 219 - 242
  • [22] Fatigue of welded hybrid-joints
    Schliebner, R
    Vormwald, M
    MATERIALWISSENSCHAFT UND WERKSTOFFTECHNIK, 2005, 36 (11) : 706 - 714
  • [23] Influence of stress concentration on fatigue property of welded joints of 5083 aluminum alloy
    Yang, Jun
    Li, Bo
    Jia, Qiang
    Li, Yuanxing
    Zhang, Mingyue
    Chen, Hui
    RESEARCH IN MECHANICAL ENGINEERING AND MATERIAL SCIENCE, 2014, 456 : 451 - 455
  • [24] Fatigue design and assessment of welded joints
    Maddox, SJ
    ADVANCES IN FRACTURE RESEARCH, VOLS 1-6, 1997, : 2287 - 2298
  • [25] Fatigue strength assessment of tubular welded joints by an alternative structural stress approach
    Thevenet, David
    Ghanameh, Mohamad Fathi
    Zeghloul, Abderrahim
    INTERNATIONAL JOURNAL OF FATIGUE, 2013, 51 : 74 - 82
  • [26] Unsupervised machine learning for local stress identification in fatigue analysis of welded joints
    Ghanadi, Mehdi
    Kumar, Manoranjan
    Danielsson, Per-Olof
    Hultgren, Gustav
    Barsoum, Zuheir
    WELDING IN THE WORLD, 2025, 69 (01) : 213 - 226
  • [27] Notch stress intensity factors and fatigue strength of aluminium and steel welded joints
    Lazzarin, P
    Livieri, P
    INTERNATIONAL JOURNAL OF FATIGUE, 2001, 23 (03) : 225 - 232
  • [28] A method of determining geometric stress for fatigue strength evaluation of steel welded joints
    Xiao, ZG
    Yamada, K
    INTERNATIONAL JOURNAL OF FATIGUE, 2004, 26 (12) : 1277 - 1293
  • [29] Thickness Effect in Fatigue of Welded Butt Joints: A Review of Experimental Works
    M. M. Pedersen
    International Journal of Steel Structures, 2019, 19 : 1930 - 1938
  • [30] Influence of the atmosphere corrosion on the fatigue life of welded T-joints treated by high frequency mechanical impact
    Knysh, Vitalii
    Solovei, Sergii
    Nyrkova, Lyudmila
    Klochkov, Illya
    Motrunich, Sviatoslav
    6TH INTERNATIONAL CONFERENCE FRACTURE MECHANICS OF MATERIALS AND STRUCTURAL INTEGRITY (FMSI 2019), 2019, 16 : 73 - 80
12345