Paper Title
Effect of fretting fatigue parameters on fir-tree joint of aero-engine blade disc interface
Article Identifiers
Authors
Arun Khot , A. Bharatish , P. V. Srihari
Keywords
Fir-tree assembly, Fretting Fatigue, Finite Element, Central composite design, Optimization
Abstract
In gas turbine engine, one of the major failure is due to fretting fatigue at turbine blade/disc joints. Fretting fatigue generally leads to the degradation of fatigue strength of material due cyclic micro-slip between contacting surfaces. The present study focuses on achieving optimal blade/disc parametric combination in order to minimize stress distribution and effect of fretting fatigue based on Response Surface Method (RSM). In this work most effective geometrical parameters like bottom flank angle, skew angle and number teeth are considered as variables affecting on stress distribution such as von-mises stress, maximum principle stress, shear stress, and contact pressure. Second-order quadratic models are developed for all responses, using central composite design. The developed models are used to determine the optimum parameters. These optimized geometrical parameters are validated as the response values are in reasonable agreement with the predicted values.
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How To Cite (APA)
Arun Khot, A. Bharatish , & P. V. Srihari (October-2017). Effect of fretting fatigue parameters on fir-tree joint of aero-engine blade disc interface. INTERNATIONAL JOURNAL OF NOVEL RESEARCH AND DEVELOPMENT, 2(10), 10-14. https://ijnrd.org/papers/IJNRD1710003.pdf
Issue
Volume 2 Issue 10, October-2017
Pages : 10-14
Other Publication Details
Paper Reg. ID: IJNRD_170130
Published Paper Id: IJNRD1710003
Downloads: 000121990
Research Area: Engineering
Country: Belagavi, Karnataka , India
Published Paper PDF: https://ijnrd.org/papers/IJNRD1710003.pdf
Published Paper URL: https://ijnrd.org/viewpaperforall?paper=IJNRD1710003
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Journal Name: INTERNATIONAL JOURNAL OF NOVEL RESEARCH AND DEVELOPMENT(IJNRD)
ISSN: 2456-4184 | IMPACT FACTOR: 8.76 Calculated By Google Scholar | ESTD YEAR: 2016
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This work is licensed under a Creative Commons Attribution 4.0 International License and The Open Definition
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