| 发动机涡轮盘的应变疲劳行为 |
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| 引用本文： | 贺株莉.发动机涡轮盘的应变疲劳行为[J].材料工程,1997(6):36-38. |
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| 作者姓名： | 贺株莉 |
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| 作者单位： | 南方动力机械公司 |
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| 摘 要： | 研究了发动机涡轮盘材料在３０００ｈ应力时效后和未经长时时效状态下的低周疲劳行为，测定了循环稳定和单调拉伸应力－应变曲线，给出了应变－寿命关系。讨论了该材料的循环硬化（软化）特征。
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| 关 键 词： | 涡轮盘 低周疲劳 航空发动机 应变－疲劳 |
The Low Cycle Fatigue Behavior of Engine Turbine Disk |
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| He Zhuli.The Low Cycle Fatigue Behavior of Engine Turbine Disk[J].Journal of Materials Engineering,1997(6):36-38. |
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| Authors: | He Zhuli |
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| Affiliation: | South Power Machine Corporation |
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| Abstract: | The engine turbine disk material GH33A was tested for low cycle fatigue behavior before stress ageing and after 3000 hours stress ageing respectively. The cyclic hardening characterization were analyzed by the recorded cyclic and monotone stress-strain curve. With strain-life relation data static and low cycle fatigue parameters of GH33A were generated for application to the design materials selecting and life estimation. |
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| Keywords: | turbine disk low cycle fatigue |
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