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| GH2132合金疲劳性能实验研究 | |
| 引用本文： | 牛会鹏,张峥,刘绍伦.GH2132合金疲劳性能实验研究[J].北京航空航天大学学报,2003,29(9):816-820. |
| 作者姓名： | 牛会鹏 张峥 刘绍伦 |
| 作者单位： | 1. 北京航空航天大学 材料科学与工程学院, 北京 100083; 2. 北京航空材料研究所, 北京 100095 |
| 基金项目： | 航空科技预研资助项目 ( 4 180 10 60 40 3 2 ) |
| 摘 要： | 研究了GH2132在不同温度、不同应力集中系数、不同应力水平条件下的高低周疲劳性能和断裂行为.不同实验条件下,影响疲劳性能的主要参量不同.在分析各个参量对于疲劳性能影响的基础上,进一步分析了各个参量对疲劳性能的交互影响.并结合宏微观断口形貌观察,阐述了各个参量交互作用的原因. |
| 关 键 词： | 疲劳寿命 断裂机制 多参量的交互作用 断口分析 |
| 文章编号： | 1001-5965(2003)09-0816-05 |
| 收稿时间： | 2002-08-30 |
| 修稿时间： | 2002年8月30日 |
Experimental investigation of high temperature fatigue properties of GH2132 |
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| Niu Huipeng,Zhang Zheng.Experimental investigation of high temperature fatigue properties of GH2132[J].Journal of Beijing University of Aeronautics and Astronautics,2003,29(9):816-820. | |
| Authors: | Niu Huipeng Zhang Zheng |
| Institution: | 1. School of Materials Science and Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, China; 2. Beijing Institute of Aeronautical Materials, Beijing 100095, China |
| Abstract: | High cycle fatigue and low cycle fatigue properties and fracture behavior of GH2132 were investigated under different temperature, stress intensity factor and stress. The effect of each parameter was analyzed to determine the interaction on fatigue life. It was found that the parameter, which affected the life mostly, was different at different experimental conditions. Combining results by scanning electronic microscopy, the reason of the interaction was revealed. |
| Keywords: | fatigue life fracture mechanism interaction of many parameters fracture appearance analysis |
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