Journal article 962 views
The Effect of Stiffness on Stress Intensity Factor for a Crack in Annular Disc Under Constant Central Torque
Stephen Hardy
International Journal of Damage Mechanics
Swansea University Author: Stephen Hardy
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DOI (Published version): 10.1177/1056789509351835
Abstract
The Effect of Stiffness on Stress Intensity Factor for a Crack in Annular Disc Under Constant Central Torque
| Published in: | International Journal of Damage Mechanics |
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| Published: |
2010
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| URI: | https://cronfa.swan.ac.uk/Record/cronfa5383 |
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| Item Description: |
Gowhari-Anaraki, A R, Hardy, S J and Sakhaee-Pour, A, ‘The effect of stiffness on SIF in annular discs under constant central torque’, Int J. Damage Mechanics, 19(8), 1001-1015, (2010).doi: 10.1177/1056789509351835.The paper describes an extensive investigation into the effects of stiffness of cracked rotating discs on the stress intensity factors that are generated and how the cracks develop during life. Crack configuration factors (essential data for life prediction methods) are presented for a range of cases. A novel predictive equation, which has applications across a broad parametric range, is presented. The information in the paper is of particular relevance to the aerospace and power generation industries, where crack growth in turbine discs rotating at very high speed is a real problem with potentially catastrophic consequences. |
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| College: |
Faculty of Science and Engineering |