Failure Investigation of a Low-Pressure Turbine Blade

S. J. Ghosh

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Failure Investigation of a Low-Pressure Turbine Blade

机译：低压涡轮叶片的故障研究

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Several blades at a thermal power plant had failed during operation. Extensive visual, metallographic, and microhardness tests indicated that the initiation of the failure had been due to cracks formed due to fretting, which subsequently propagated in fatigue.

机译：火力发电厂的几个刀片在运行期间发生了故障。广泛的视觉，金相和显微硬度测试表明，破坏的起因是由于微动形成的裂纹，随后在疲劳中扩展。

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《Journal of Failure Analysis and Prevention》 |2004年第3期|共5页
作者
S. J. Ghosh;
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原文格式 PDF
正文语种 eng
中图分类工程材料学;
关键词
Blade; Fretting; Turbine;

机译：叶片;微动;涡轮;

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专利

1. Failure Investigation of a Low-Pressure Turbine Blade [J] . S. J. Ghosh Journal of Failure Analysis and Prevention . 2004,第3期

机译：低压涡轮叶片的故障研究
2. Steady and unsteady numerical investigation of flow interaction between low-pressure turbine blade, intermediate turbine duct and power turbine vane [J] . Gao Jie, Liu Xuezheng, Zhao Xudong, Proceedings of the Institution of Mechanical Engineers, Part C. Journal of mechanical engineering science . 2018,第23期

机译：低压汽轮机叶片，中等汽轮机管道和动力涡轮叶片流动相互作用的稳态和不稳定的数值研究
3. An investigation of fatigue failures of turbine blades in a gas turbine engine by mechanical analysis [J] . Jianfu Hou, Bryon J. Wicks, Ross A. Antoniou Engineering failure analysis . 2002,第2期

机译：用力学分析研究燃气轮机涡轮叶片的疲劳失效。
4. NUMERICAL INVESTIGATION OF THE EFFECT OF FLUTTER INSTABILITY OF THE BLADE ON THE UNSTEADY FLOW IN A MODERN LOW-PRESSURE TURBINE [C] . Shine Win Naung, Mohammad Rahmati, Hamed Farokhi ASME Turbo Expo: Turbomachinery Technical Conference and Exposition . 2020

机译：数值研究叶片在现代低压汽轮机中不稳定流动的颤动不稳定性效果
5. Reynolds-averaged Navier-Stokes investigation of high-lift low-pressure turbine blade aerodynamics at low Reynolds number. [D] . Arko, Bryan M. 2012

机译：雷诺平均在低雷诺数下对高升程低压涡轮叶片空气动力学的Navier-Stokes研究。
6. Corrosion-Fatigue Failure of Gas-Turbine Blades in an Oil and Gas Production Plant [O] . Mojtaba Rajabinezhad, Abbas Bahrami, Mohammad Mousavinia, 2020

机译：油气生产厂中燃气轮机叶片的腐蚀疲劳失效
7. Numerical Investigation of the Effect of Flutter Instability of the Blade on the Unsteady Flow in a Modern Low-Pressure Turbine [O] . Shine Win Naung, Mohammad Rahmati, Hamed Farokhi 2020

机译：数值研究叶片在现代低压汽轮机中不稳定流动的颤动不稳定性效果
8. Low-Pressure Steam Turbine Blade Failures. Workshop Proceedings, Detroit, Michigan, June 28-29, 1978 [R] . Bougard, J., Capron, P., Jadot, R. 1980

机译：低压汽轮机叶片故障。研讨会论文集，密歇根州底特律，1978年6月28日至29日

Failure Investigation of a Low-Pressure Turbine Blade

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