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Modeling of the Gas-Controlled Crack Growth: Non-Ideal vs Ideal Sink

[+] Author Affiliations
Alla V. Balueva

University of North Georgia, Gainesville, GA

Ilia N. Dashevskiy

Russia Academy of Sciences, Moscow, Russia

Paper No. IMECE2016-67564, pp. V009T12A021; 8 pages
  • ASME 2016 International Mechanical Engineering Congress and Exposition
  • Volume 9: Mechanics of Solids, Structures and Fluids; NDE, Diagnosis, and Prognosis
  • Phoenix, Arizona, USA, November 11–17, 2016
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-5063-3
  • Copyright © 2016 by ASME


We consider delamination crack growth controlled by gas diffusion into crack. Initially, with small pressure, the crack can be considered as an ideal sink. However, as crack grows, the pressure becomes greater, and therefore the crack cannot be considered an ideal sink anymore. In this research for both ideal- and real-sink conditions, closed-form solutions for the dependence of the radius of the growing delamination on time are obtained.

Copyright © 2016 by ASME



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