| 局部应力-应变分析在拖拉机零部件疲劳寿命估算中的应用 |
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| 引用本文： | 刘星荣
,陈燎.局部应力-应变分析在拖拉机零部件疲劳寿命估算中的应用[J].江苏大学学报(自然科学版),1988(1). |
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| 作者姓名： | 刘星荣 陈燎 |
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| 摘 要： | 本文介绍了估算疲劳裂纹形成寿命的局部应力-应变分析法,着重强调了循环塑性应变对疲劳损伤的影响。提出了在用局部应力-应变法估算疲劳寿命时结合载荷谱累积疲劳损伤的方法。编制出驱动轮轴扭转与弯曲载荷谱,并对驱动轮轴的随机疲劳寿命进行了估算。
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| 关 键 词： | 局部应力-应变分析 疲劳寿命 循环塑性应变 载荷谱 |
Application of Local Stress-Strian Analysis to Estimation of Fatigue Life of Tractor Components |
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| Liu Xingrong Chen Liao.Application of Local Stress-Strian Analysis to Estimation of Fatigue Life of Tractor Components[J].Journal of Jiangsu University:Natural Science Edition,1988(1). |
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| Authors: | Liu Xingrong Chen Liao |
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| Institution: | Liu Xingrong Chen Liao |
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| Abstract: | The analysis puts emphasis on the influence of cyclic plastic strain on fatigue damage. Method is advanced for cumulating fatigue with load spectrum in the analysis. Torsional and bending load spectra of drive shaft are worked out and fatigue life of the shaft estimated. |
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| Keywords: | local stress-strain analysis fatigue life cyclic plastic strain load spectrum |
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