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Analysis of turbine blade breakages in an engine starting motor

โœ Scribed by C.H Tao; N.S Xi; M.L Xie; P.D Zhong; Y Zhang

Publisher
Elsevier Science
Year
1999
Tongue
English
Weight
870 KB
Volume
6
Category
Article
ISSN
1350-6307

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โœฆ Synopsis

This paper presents an analysis of turbine blade breakage in an engine starting motor[ Fractographic analysis\ _nite element analysis and fractographic quantitative calculation of beach marks have been per! formed[ The analysis shows that the fractures are due to _rst order bending vibration fatigue damage[ No defects were found at the fractured section of blade[ The e}ective preventive measure is the removal of the {{dead crank|| standard that is seldom used in real service[ รž 0888 Elsevier Science Ltd[ All rights reserved[

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An investigation of fatigue failures of
An investigation of fatigue failures of turbine blades in a gas turbine engine by mechanical analysis
โœ Jianfu Hou; Bryon J Wicks; Ross A Antoniou ๐Ÿ“‚ Article ๐Ÿ“… 2002 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 643 KB

Blade failures in gas turbine engines often lead to loss of all downstream stages and can have a dramatic effect on the availability of the turbine engines. Thorough failure investigation is essential for the effective management of engine airworthiness. In this paper blade fatigue failures are inve