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| 17号锻造钩尾框裂纹萌生寿命计算 | |
| 引用本文： | 于兆华,王丽红,李强,王成国.17号锻造钩尾框裂纹萌生寿命计算[J].铁道机车车辆,2010,30(2):12-15. |
| 作者姓名： | 于兆华 王丽红 李强 王成国 |
| 作者单位： | 1. 中国铁道科学研究院,标准计量研究所,北京,100081 2. 郑州铁路职业技术学院,河南郑州,450052 3. 北京交通大学,机械与电子控制工程学院,北京,100044 4. 中国铁道科学研究院,铁道科学技术研究发展中心,北京,100081 |
| 摘 要： | 采用有限元方法中的1/4点位移法计算了17号锻造钩尾框的应力强度因子;根据Paris公式结合AAR载荷谱,计算了17号锻造钩尾框的裂纹萌生寿命。并对计算结果进行分析评价。 |
| 关 键 词： | 钩尾框 应力强度因子 1/4点位移法 裂纹扩展寿命 |
Calculation of the Crack Propagation Life on No.17 Forging Coupler Yoke |
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| YU Zhao-hua,WANG Li-hong,LI Qiang,WANG Cheng-guo.Calculation of the Crack Propagation Life on No.17 Forging Coupler Yoke[J].Railway Locomotive & Car,2010,30(2):12-15. | |
| Authors: | YU Zhao-hua WANG Li-hong LI Qiang WANG Cheng-guo |
| Institution: | YU Zhao-hua1,WANG Li-hong2,LI Qiang3,WANG Cheng-guo4(1 St,ards , Metrology Research Institute of MOR,Beijing 100081,China,2 Zhengzhou Railway Vocational College,Zhengzhou 450052 Henan,3 School of Mechanical,Electronic , Control Engineering,Beijing Jiaotong University,Beijing 100044,4 Railway Science , Technology Research Development Center,China Academy of Railway Sciences,China) |
| Abstract: | This paper computed No.17 coupler yoke' stress intensity factors based on 1/4 displacement method of finite element method,calculated the crack propagation life of No.17 coupler yoke using Paris formula based on AAR spectrum,and given analysis and evaluation for the result. |
| Keywords: | coupler yoke stress intensity factor 1/4 displacement method crack propagation life |
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