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Fatigue crack growth analysis models for functionally graded materials

2006-10-18
Dağ, Serkan
Sabuncuoglu, Baris
YILDIRIM, BORA
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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
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The objective of this study is to develop crack growth analysis methods for functionally graded materials (FGMs) subjected to mode I cyclic loading. The study presents finite elements based computational procedures for both two and three dimensional problems to examine fatigue crack growth in functionally graded materials. Developed methods allow the computation of crack length and generation of crack front profile for a graded medium subjected to fluctuating stresses. The results presented for an elliptical crack embedded in a functionally graded medium, illustrate the competing effects of ellipse aspect ratio and material property gradation on the fatigue crack growth behavior.
Functionally graded materials, Fatigue crack growth, Finite element method, Elliptical crack, Fracture mechanics
https://hdl.handle.net/11511/52865
Department of Mechanical Engineering, Conference / Seminar
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