Fracture Analysis and Working Stress Calculation of Bearing Cage Used in Charging Pump in a Nuclear Power Plant
文献类型：期刊论文
| 作者 | Chen, Qiang1,2,3,4; Jiang, Shengli2,3; Duan, Deli2,3 |
| 刊名 | METALS
 |
| 出版日期 | 2023-08-01 |
| 卷号 | 13期号:8页码:14 |
| 关键词 | bearing cage fatigue fracture finite element calculation nuclear power plant |
| DOI | 10.3390/met13081380 |
| 通讯作者 | Jiang, Shengli(sljiang@imr.ac.cn) |
| 英文摘要 | This paper presents an analysis of the fracture accident of a cylindrical roller bearing cage used in a charging pump in a nuclear power plant. The causes and mechanisms of bearing cage breakage were investigated by material failure analysis and simulation calculations. Macroscopic observation results confirmed that the cage fracture occurred at the stress concentration position. The microfracture morphology of the cage obtained from scanning electron microscopy showed a fatigue feature. The analysis of residual stress indicated large residual stress perpendicular to the fracture surface. The finite element calculation showed that when the bearing was moving in and out of the working area during operation, large working stress appeared at the stress concentration position. Working stress and residual stress acted together, approaching the fatigue limit of materials, and finally led to the cage fatigue fracture. The stress of the other two structural cages of the same type of bearing was also calculated, and no such large stress concentration was identified; thus, one plastic cage was temporarily used. |
| 资助项目 | The authors gratefully acknowledge professor-level engineer Yinhui Che for his help in design of methodology, senior technician Chengrun Cai for his assistance of investigation, and engineer Jiazhu Cai for his efforts in data collection. |
| WOS研究方向 | Materials Science ; Metallurgy & Metallurgical Engineering |
| 语种 | 英语 |
| WOS记录号 | WOS:001055392700001 |
| 出版者 | MDPI |
| 资助机构 | The authors gratefully acknowledge professor-level engineer Yinhui Che for his help in design of methodology, senior technician Chengrun Cai for his assistance of investigation, and engineer Jiazhu Cai for his efforts in data collection. |
| 源URL | [http://ir.imr.ac.cn/handle/321006/179047]  |
| 专题 | 金属研究所_中国科学院金属研究所 |
| 通讯作者 | Jiang, Shengli |
| 作者单位 | 1.Suzhou Nucl Power Res Inst Co Ltd, Shenzhen 518000, Peoples R China 2.Chinese Acad Sci, Shi Changxu Innovat Ctr Adv Mat, Inst Met Res, Shenyang 110016, Peoples R China 3.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China 4.Natl Engn Res Ctr Nucl Power Plant Safety & Reliab, Sch Mat Sci & Engn, Shenzhen 518000, Peoples R China |
| 推荐引用方式 GB/T 7714 | Chen, Qiang,Jiang, Shengli,Duan, Deli. Fracture Analysis and Working Stress Calculation of Bearing Cage Used in Charging Pump in a Nuclear Power Plant[J]. METALS,2023,13(8):14. |
| APA | Chen, Qiang,Jiang, Shengli,&Duan, Deli.(2023).Fracture Analysis and Working Stress Calculation of Bearing Cage Used in Charging Pump in a Nuclear Power Plant.METALS,13(8),14. |
| MLA | Chen, Qiang,et al."Fracture Analysis and Working Stress Calculation of Bearing Cage Used in Charging Pump in a Nuclear Power Plant".METALS 13.8(2023):14. |
入库方式： OAI收割
来源：金属研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。