| 三环减速器环板断裂力学分析 |
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| 引用本文： | 蔡戊喜. 三环减速器环板断裂力学分析[J]. 装备制造技术, 2007, 0(12): 11-12,17 |
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| 作者姓名： | 蔡戊喜 |
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| 作者单位： | 中南大学,湖南,长沙,410013;湖南涟源钢铁有限公司转炉炼钢厂,湖南,娄底,417009 |
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| 摘 要： | 用断裂力学方法分析了三环减速器环板的疲劳寿命。应力强度因子幅作为疲劳裂纹扩展的主要参量，利用断裂准则判断裂纹是否失稳扩展，并由裂纹扩展方程估算了减速器环板的疲劳寿命。
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| 关 键 词： | 三环减速器 应力强度因子幅 疲劳裂纹 疲劳寿命 |
| 文章编号： | 1672-545X（2007）12-0011-02 |
| 收稿时间： | 2007-10-23 |
| 修稿时间： | 2007-10-23 |
The Rupture Mechanics Analysis about Gear Rings of Three Ring Type Gear Reducer |
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| CAI Wu-xi. The Rupture Mechanics Analysis about Gear Rings of Three Ring Type Gear Reducer[J]. , 2007, 0(12): 11-12,17 |
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| Authors: | CAI Wu-xi |
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| Abstract: | The fatigue life of the three-ring type gear reducer was analyzed through rupture mechanics. Stress intensity factors as the main parameters of fatigue crack growth rate, Use rupture criteria for judging whether a crack instability expansion, and estimated the fatigue life of the reducer by the equation of the crack expand. |
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| Keywords: | three-ring type gear reducer Stress intensity factors fatigue crack fatigue life |
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