| 摩擦损耗对发动机连杆轴瓦寿命的影响 |
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| 引用本文： | 郭振杰,宋作军,张立荣,傅道鹏.摩擦损耗对发动机连杆轴瓦寿命的影响[J].润滑与密封,2006(9):152-154. |
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| 作者姓名： | 郭振杰 宋作军 张立荣 傅道鹏 |
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| 作者单位： | 1. 淄博职业学院,山东淄博,255013;山东理工大学,山东淄博,255013
2. 淄博职业学院,山东淄博,255013 |
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| 摘 要： | 采用线性力学的方法对发动机连杆轴瓦摩擦损耗导致的疲劳破坏失效问题进行了研究,对微裂纹形成的原因进行了分析,经过试验证明可以通过降低摩擦损耗区内的单位分布能量,以及提高材料抗生成、扩展初始微裂纹的能力的方法来提高连杆轴瓦的使用寿命。
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| 关 键 词： | 发动机连杆轴瓦 摩擦损耗 疲劳强度 应力强度系数 |
| 文章编号： | 0254-0150(2006)9-152-3 |
| 收稿时间： | 2005-10-13 |
| 修稿时间： | 2005年10月13 |
Influence of Friction Loss on the Life of Connecting Rod Bearing Shell of Engine |
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| Guo Zhenjie,Song Zuojun,Zhang Lirong,Fu Daopeng.Influence of Friction Loss on the Life of Connecting Rod Bearing Shell of Engine[J].Lubrication Engineering,2006(9):152-154. |
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| Authors: | Guo Zhenjie Song Zuojun Zhang Lirong Fu Daopeng |
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| Affiliation: | 1. Zibo Vocational School, Zibo Shandong 255013, China ; 2. Shandong Institute of Technology, Zibo Shandong 255013, China |
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| Abstract: | The failure of connecting rod bearing shell of engine induced by friction loss was studied using linearial mechanics,and the reason for producing of microcrack was analyzed.Experimental result shows that the useful life of connecting rod bearing shell can be increased through reducing unit distribution energy in the section of friction loss and increasing the capacity of resisting incipient microcrack's creating and spreading. |
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| Keywords: | connecting rod bearing shell of engine friction loss fatigue strength stress intensity factor |
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