Thermo-elastic dislocation with application to crack problems

Ravandi, Mohammad Reza Ghotbi; Fariborz, S.J.

doi:10.1016/j.euromechsol.2012.09.012

Cited by 4 publications

(2 citation statements)

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“…This innovative approach effectively captures complex heat behaviors around cracks, offering valuable insights for predictive maintenance design of resilient materials. In many other studies the heat conduction is used then to ascertain the stresses in cracked materials [12][13][14][15][16]. In recent years, Wang and Schiavone [17] dete the temperature and thermal stresses of a finite Griffith crack perpendicular to the of an isotropic half-plane under uniform remote heat flux.…”

Section: Formulation Of the Problemmentioning

confidence: 99%

“…In many other studies the heat conduction is used then to ascertain the thermal stresses in cracked materials [ 12 , 13 , 14 , 15 , 16 ]. In recent years, Wang and Schiavone [ 17 ] determined the temperature and thermal stresses of a finite Griffith crack perpendicular to the surface of an isotropic half-plane under uniform remote heat flux.…”

Section: Introductionmentioning

confidence: 99%

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Dynamic Thermal Response of Multiple Interface Cracks between a Half-Plane and a Coating Layer under General Transient Temperature Loading

Nourazar,

Yang,

Chen

2024

Materials

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This paper explores the thermal behavior of multiple interface cracks situated between a half-plane and a thermal coating layer when subjected to transient thermal loading. The temperature distribution is analyzed using the hyperbolic heat conduction theory. In this model, cracks are represented as arrays of thermal dislocations, with densities calculated via Fourier and Laplace transformations. The methodology involves determining the temperature gradient within the uncracked region, and these calculations contribute to formulating a singular integral equation specific to the crack problem. This equation is subsequently utilized to ascertain the dislocation densities at the crack surface, which facilitates the estimation of temperature gradient intensity factors for the interface cracks experiencing transient thermal loading. This paper further explores how the relaxation time, loading parameters, and crack dimensions impact the temperature gradient intensity factors. The results can be used in fracture analysis of structures operating at high temperatures and can also assist in the selection and design of coating materials for specific applications, to minimize the damage caused by temperature loading.

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