| 某型发动机二级导向器叶片变形和裂纹分析 |
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| 引用本文： | 刘庆瑔. 某型发动机二级导向器叶片变形和裂纹分析[J]. 材料工程, 1999, 0(1): 38-41 |
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| 作者姓名： | 刘庆瑔 |
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| 作者单位： | 新艺机械厂 |
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| 摘 要： | 对一种发动机导向器叶片的变形、裂纹及其断口进行金相和电镜分析。结果表明，发动机温度场不均匀，出现局部高温、致使导向器叶片产生过烧，造成变形和裂纹。
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| 关 键 词： | 超温 变形 裂纹 高温合金 热应力 |
Analysis on Deformation and Cracks of an Engine Stage Ⅱ Nozzle Vanes |
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| Liu Qingquan. Analysis on Deformation and Cracks of an Engine Stage Ⅱ Nozzle Vanes[J]. Journal of Materials Engineering, 1999, 0(1): 38-41 |
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| Authors: | Liu Qingquan |
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| Affiliation: | Xinyi Machinery Factory |
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| Abstract: | The paper gives analysis to the tests on deformation cracks and fracture of an engines nozzle vanes done by metallographic and scan electromicroscope methods The results show that the non unibormity of engine temperature fields and the partial high temperature lead to overheat of the nozzle vanes and result in deformation and cracks |
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| Keywords: | overheat deformation crack superalloy thermal stress |
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