Fatigue life analysis of aging aircraft based on previous service usage

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26210%2F18%3APU128922" target="_blank" >RIV/00216305:26210/18:PU128922 - isvavai.cz</a>
Result on the web
<a href="https://www.crcpress.com/New-Trends-in-Civil-Aviation-Proceedings-of-the-19th-International-Conference/Socha-Hanakova-Lalis/p/book/9780815376026" target="_blank" >https://www.crcpress.com/New-Trends-in-Civil-Aviation-Proceedings-of-the-19th-International-Conference/Socha-Hanakova-Lalis/p/book/9780815376026</a>
DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Fatigue life analysis of aging aircraft based on previous service usage
Original language description
This paper describes the approach for the fatigue evaluation of Aero Ae 45 S aircraft (registration OK-KGB). An analysis was carried out to define the individual fatigue life of this airplane based on its service history. By applying a newly developed flight loading spectrum and airframe full-scale fatigue test results, the original safe-life limit was proposed to be extended from 3000 to 4600 flight hours, which was approved by CAA. The limit extension was supported by eddy current and penetrant inspection programs for the primary fatigue critical area of the lower wing main spar attachment lugs made of L-ROL steel. Inspection intervals were determined using damage tolerance analysis techniques, fracture mechanics, and fatigue crack growth code NASGRO.
Czech name
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Czech description
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Project
<a href="/en/project/TE02000032" target="_blank" >TE02000032: Advanced Aerostructures Research Centre</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2018
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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