| 疲劳可靠寿命预测的应力寿命模型 |
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| 引用本文： | 孙志礼 何雪宏. 疲劳可靠寿命预测的应力寿命模型[J]. 机械科学与技术, 1998, 17(2): 218-220 |
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| 作者姓名： | 孙志礼 何雪宏 |
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| 作者单位： | 东北大学 |
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| 摘 要： | 在分析目前计算方法存在的问题和疲劳试验实际过程的基础上，利用Ｐ－Ｓ－Ｎ曲线方程建立了恒幅应力下机械零构件疲劳可靠性计算的应力－寿命模型，推导出可靠度和可靠寿命的计算公式。该方法可不经过转换直接求解，避免了系统（模型）误差，提高了计算精度，且简便、实用，具有较大的工程应用价值。
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| 关 键 词： | 可靠度 可靠寿命 疲劳 |
Stress Life Model on Predication of Reliable Fatigue Life |
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| Sun Zhili He Xuehong Cai Chunyuan. Stress Life Model on Predication of Reliable Fatigue Life[J]. Mechanical Science and Technology for Aerospace Engineering, 1998, 17(2): 218-220 |
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| Authors: | Sun Zhili He Xuehong Cai Chunyuan |
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| Abstract: | On the basis of detailed analysis on the problem of present calculating method and on the real process of fatigue experiments, a stress life model on reliability calculation and predication of reliable fatigue life under constant stress amplitude was established for the first time by useing the P S N curve. This model diminishes the original error and has important practical use. |
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| Keywords: | Reliability Reliable life Fatique |
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