RESEARCH ON FATIGUE CRACK PROPAGATION CHARACTERISTICS AND REMAINING LIFE AT THE TOOTH ROOT OF A GEAR
Based on the FEM, the fatigue crack propagation of a involute cylindrical gear is numerically simulated. Firstly, through analyzing the meshing gear of a pair of healthy teeth, the maximum bending stress of the tooth root is determined, And it is taken as the starting point of the crack. The cracks...
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| Format: | Article |
| Language: | zho |
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Editorial Office of Journal of Mechanical Strength
2019-01-01
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| Series: | Jixie qiangdu |
| Subjects: | |
| Online Access: | http://www.jxqd.net.cn/thesisDetails#10.16579/j.issn.1001.9669.2019.03.034 |
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| author | GAO Yun YANG LiuQing LIU Shuai CHEN WenHua ZHOU Xun |
| author_facet | GAO Yun YANG LiuQing LIU Shuai CHEN WenHua ZHOU Xun |
| author_sort | GAO Yun |
| collection | DOAJ |
| description | Based on the FEM, the fatigue crack propagation of a involute cylindrical gear is numerically simulated. Firstly, through analyzing the meshing gear of a pair of healthy teeth, the maximum bending stress of the tooth root is determined, And it is taken as the starting point of the crack. The cracks are divided into crack and non crack blocks. The initial crack is preformed in the crack block and the block is remeshed with isoparametric singular element. The crack block and the non cracked block is connected by a multi-point constraint. The stress intensity factor and crack propagation angle are measured in crack propagation process, Based on Paris formula,tooth crack propagation trajectory and remaining life of gear is numerically simulated. The influence of load as well as initial crack length on residual life was analyzed. |
| format | Article |
| id | doaj-art-a2940744716d488ca9bb92b49540d5f3 |
| institution | Kabale University |
| issn | 1001-9669 |
| language | zho |
| publishDate | 2019-01-01 |
| publisher | Editorial Office of Journal of Mechanical Strength |
| record_format | Article |
| series | Jixie qiangdu |
| spelling | doaj-art-a2940744716d488ca9bb92b49540d5f32025-01-15T02:29:56ZzhoEditorial Office of Journal of Mechanical StrengthJixie qiangdu1001-96692019-01-014171872330604872RESEARCH ON FATIGUE CRACK PROPAGATION CHARACTERISTICS AND REMAINING LIFE AT THE TOOTH ROOT OF A GEARGAO YunYANG LiuQingLIU ShuaiCHEN WenHuaZHOU XunBased on the FEM, the fatigue crack propagation of a involute cylindrical gear is numerically simulated. Firstly, through analyzing the meshing gear of a pair of healthy teeth, the maximum bending stress of the tooth root is determined, And it is taken as the starting point of the crack. The cracks are divided into crack and non crack blocks. The initial crack is preformed in the crack block and the block is remeshed with isoparametric singular element. The crack block and the non cracked block is connected by a multi-point constraint. The stress intensity factor and crack propagation angle are measured in crack propagation process, Based on Paris formula,tooth crack propagation trajectory and remaining life of gear is numerically simulated. The influence of load as well as initial crack length on residual life was analyzed.http://www.jxqd.net.cn/thesisDetails#10.16579/j.issn.1001.9669.2019.03.034GearsFatigue crackSIFCrack growth angleFatigue life |
| spellingShingle | GAO Yun YANG LiuQing LIU Shuai CHEN WenHua ZHOU Xun RESEARCH ON FATIGUE CRACK PROPAGATION CHARACTERISTICS AND REMAINING LIFE AT THE TOOTH ROOT OF A GEAR Jixie qiangdu Gears Fatigue crack SIF Crack growth angle Fatigue life |
| title | RESEARCH ON FATIGUE CRACK PROPAGATION CHARACTERISTICS AND REMAINING LIFE AT THE TOOTH ROOT OF A GEAR |
| title_full | RESEARCH ON FATIGUE CRACK PROPAGATION CHARACTERISTICS AND REMAINING LIFE AT THE TOOTH ROOT OF A GEAR |
| title_fullStr | RESEARCH ON FATIGUE CRACK PROPAGATION CHARACTERISTICS AND REMAINING LIFE AT THE TOOTH ROOT OF A GEAR |
| title_full_unstemmed | RESEARCH ON FATIGUE CRACK PROPAGATION CHARACTERISTICS AND REMAINING LIFE AT THE TOOTH ROOT OF A GEAR |
| title_short | RESEARCH ON FATIGUE CRACK PROPAGATION CHARACTERISTICS AND REMAINING LIFE AT THE TOOTH ROOT OF A GEAR |
| title_sort | research on fatigue crack propagation characteristics and remaining life at the tooth root of a gear |
| topic | Gears Fatigue crack SIF Crack growth angle Fatigue life |
| url | http://www.jxqd.net.cn/thesisDetails#10.16579/j.issn.1001.9669.2019.03.034 |
| work_keys_str_mv | AT gaoyun researchonfatiguecrackpropagationcharacteristicsandremaininglifeatthetoothrootofagear AT yangliuqing researchonfatiguecrackpropagationcharacteristicsandremaininglifeatthetoothrootofagear AT liushuai researchonfatiguecrackpropagationcharacteristicsandremaininglifeatthetoothrootofagear AT chenwenhua researchonfatiguecrackpropagationcharacteristicsandremaininglifeatthetoothrootofagear AT zhouxun researchonfatiguecrackpropagationcharacteristicsandremaininglifeatthetoothrootofagear |