| TC11材料高低周疲劳裂纹萌生与扩展特性研究 |
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| 引用本文： | 刘红彬,陈伟.TC11材料高低周疲劳裂纹萌生与扩展特性研究[J].燃气涡轮试验与研究,2012(2):49-53. |
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| 作者姓名： | 刘红彬 陈伟 |
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| 作者单位： | 1. 南京航空航天大学能源与动力学院,江苏南京,210016
2. 中国燃气涡轮研究院,四川成都,610500 |
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| 摘 要： | 通过对航空发动机叶片用TC11材料在高低周复合载荷下进行裂纹扩展试验,研究了TC11材料高低周复合疲劳裂纹扩展规律,得到了高低周载荷条件下的裂纹稳态扩展曲线及断口特征。其结果可对风扇/压气机叶片抗高低周复合载荷下的裂纹扩展能力进行分析和评估,为下一代先进航空发动机设计提供技术支撑。
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| 关 键 词： | TC11 高低周复合疲劳 裂纹扩展 扩展速率 试验 |
Study on Initiation and Propagation Characteristics of Low and High Cycle Combined Fatigue Crack in TCll |
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| LIU Hong-bin,CHEN Wei.Study on Initiation and Propagation Characteristics of Low and High Cycle Combined Fatigue Crack in TCll[J].Gas Turbine Experiment and Research,2012(2):49-53. |
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| Authors: | LIU Hong-bin CHEN Wei |
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| Institution: | 1(1.College of Energy and Power Engineering,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China;2.China Gas Turbine Establishment,Chengdu 610500,China) |
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| Abstract: | Through the experimental and statistic crack growth investigation of L-HCCF(low and high cycle combined fatigue) on the aero-engine blades in TC11,the crack growth law of the L-HCCF in TC11 was studied.Results can be applied to analyze and evaluate the resisting ability of fan/compressor blades against crack growth in L-HCCF loading.They also can be a technology basis for next generation advanced aero-engine. |
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| Keywords: | TC 11 L-HCCF crack growth growth rate test |
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