Numerical simulation of the coupling between thermal dissipation and fish-eye crack growth in very high cycle fatigue regime

被引：9
|
作者：
Nguyen, H. Q. [1 ]
Gallimard, L. [1 ]
Bathias, C. [1 ]
机构：
[1] Univ Paris Ouest Nanterre La Def, Lab Energet, F-92410 Ville Davray, France
来源：
FATIGUE & FRACTURE OF ENGINEERING MATERIALS & STRUCTURES | 2013年 / 36卷 / 05期
关键词：
fatigue crack growth; finite element model; fish-eye fracture; plasticity; thermomechanical analysis; ultrasonic fatigue; very high cycle fatigue; RAPID-DETERMINATION;
D O I：
10.1111/ffe.12016
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
In this paper, we study the temperature field associated with the propagation of a fatigue crack in a very high cycle fatigue regime during ultrasonic fatigue testing. We use a ParisHertzberg crack growth law to compute the evolution of the crack and a perfectly elasticplastic constitutive law to compute the plastic dissipation per cycle at the tip of the crack. A thermomechanical finite element model is proposed to estimate the evolution of the temperature field during the crack propagation. Numerical results obtained agree fairly well with experimental results.
引用
收藏
页码：450 / 461
页数：12
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