IMR OpenIR
A fatigue life prediction method from magnetic pole material to simulation part
Pan, Long; Pang, Jian Chao; Xie, Yu Jun; Zhang, Meng Xiao; Nie, Liang Liang; Mao, Yun Xian; Zhang, Zhe Feng
2019-09-01
Source PublicationINTERNATIONAL JOURNAL OF DAMAGE MECHANICS
ISSN1056-7895
Volume28Issue:9Pages:1438-1454
AbstractDue to the higher reliability needs of the large moving component motor-generator rotor, the assessment of the service life has drawn more and more attention. After finite element analysis of the rotor, the simulation part which can represent the magnetic pole with the most dangerous position of the rotor was designed to investigate the S-N curves. Compared with the conventional specimen, considering the main influencing factors of fatigue life for simulation part, the comprehensive factor was proposed to establish the fatigue life relationship between magnetic pole material and simulation part. It was found that the calculation method of fatigue notch factor based on the notch sensitivity factor is relatively simple and practical, and there is no significant effect of surface roughness on high and low cycle fatigues for low roughness (R-a is about 1 mu m), and the dimension factor changes linearly with the scale factor. Based on those results, a fatigue life prediction method was proposed and validated, and the predicted results were in good agreement with the experimental data. This study will provide a reasonable reference to determine the fatigue life prediction of large moving components.
KeywordMagnetic pole finite element method S-N curve life prediction method
Indexed BySCI
Language英语
WOS IDWOS:000479223900007
PublisherSAGE PUBLICATIONS LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/80794
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Pan, Long,Pang, Jian Chao,Xie, Yu Jun,et al. A fatigue life prediction method from magnetic pole material to simulation part[J]. INTERNATIONAL JOURNAL OF DAMAGE MECHANICS,2019,28(9):1438-1454.
APA Pan, Long.,Pang, Jian Chao.,Xie, Yu Jun.,Zhang, Meng Xiao.,Nie, Liang Liang.,...&Zhang, Zhe Feng.(2019).A fatigue life prediction method from magnetic pole material to simulation part.INTERNATIONAL JOURNAL OF DAMAGE MECHANICS,28(9),1438-1454.
MLA Pan, Long,et al."A fatigue life prediction method from magnetic pole material to simulation part".INTERNATIONAL JOURNAL OF DAMAGE MECHANICS 28.9(2019):1438-1454.
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