Fish-eye shape prediction with gigacycle fatigue failure

被引：11
作者：
Duan, Z. [1 ]
Shi, H. [1 ]
Ma, X. [1 ]
机构：
[1] Tsinghua Univ, Sch Aerosp, AML, Beijing 100084, Peoples R China
来源：
FATIGUE & FRACTURE OF ENGINEERING MATERIALS & STRUCTURES | 2011年 / 34卷 / 10期
基金：
中国国家自然科学基金;
关键词：
gigacycle; fatigue; fish-eye; inclusion; HIGH-CYCLE FATIGUE; HIGH-STRENGTH STEELS; S-N CHARACTERISTICS; CRACK INITIATION; BEARING STEEL; PROPAGATION BEHAVIOR; LIFE REGIME; MECHANISM; PROPERTY; SURFACE;
D O I：
10.1111/j.1460-2695.2011.01576.x
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
In this paper, a model using the energy approach was established to investigate the formation of fish-eye shape in the gigacycle fatigue failure. The model was used to predict the size of the fish-eye formed by a given subsurface inclusion. The predicted results were comparable with the fractography of SNCM439 steel and other experimental results of gigacycle fatigue available in the literature. The current model can capture the fish-eye shape and can be used to predict the life of crack initiation during fatigue failure.
引用
收藏
页码：832 / 837
页数：6
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