| 筒体大开孔焊接结构疲劳寿命估算方法 |
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| 引用本文： | 郭应征.筒体大开孔焊接结构疲劳寿命估算方法[J].振动．测试与诊断,1994,14(1):21-26. |
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| 作者姓名： | 郭应征 |
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| 作者单位： | 东南大学数学力学系 |
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| 摘 要： | 本文根据压力容器大开孔接管处应力测试数据及壳体材料中温静力性能试验结果，对设备在工作温度下的疲劳裂纹形成寿命及扩展寿命进行了估算，为大开孔压力容器的中温疲劳寿命估算提供了一种简便可靠的方法．
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| 关 键 词： | 疲劳寿命估算，疲劳断裂，压力容器 |
The Fatigue Life Prediction of a Pressure Vessel with Large Nozzle |
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| Guo Yingzheng.The Fatigue Life Prediction of a Pressure Vessel with Large Nozzle[J].Journal of Vibration,Measurement & Diagnosis,1994,14(1):21-26. |
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| Authors: | Guo Yingzheng |
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| Abstract: | In this paper, according to experimental results of strain gage measurements on a large opening in the vessel and static characteristics of the vessel material at medium temperature,its fatigue crack initiation life and propagation life at working temperature are evaluated.The results provide a convenient and reliable method for the low-cycle fatigue life prediction at medium temperature of pressure vessels with large openings. |
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| Keywords: | Estimation of fatigue life Fatigue fracture Pressure Vessel |
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