Computational model for bending fatigue life and failure location prediction of surface-hardened running gears

被引：9
作者：
Cular, Ivan [1 ,2 ]
Vuckovic, Kresimir [1 ]
Galic, Ivica [1 ]
Zezelj, Dragan [1 ]
机构：
[1] Univ Zagreb, Fac Mech Engn & Naval Architecture, I Lucica 5, Zagreb 10000, Croatia
[2] Ivana Lucica 5, Zagreb 10002, Croatia
来源：
INTERNATIONAL JOURNAL OF FATIGUE | 2023年 / 166卷
关键词：
Running gear pair; Bending fatigue; Multilayer method; Numerical simulation; Subsurface fatigue; STRENGTH; FRICTION; BEHAVIOR;
D O I：
10.1016/j.ijfatigue.2022.107300
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
In this paper, a numerical model is proposed to predict the location and the number of cycles for bending fatigue failure of surface-hardened gears. The predictions are validated against experimental results. Linear-elastic stresses and strains obtained by a finite element simulation are imported into the fatigue model. Bending fa-tigue lives at the observed tooth root region are estimated based on the multilayer method, hardness method, and strain-life approach. The critical plane approach is employed due to non-proportional loading. Good agreement between actual and predicted bending fatigue lives was observed, as well as between the estimated and actual subsurface failure location.
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页数：13
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