Journal ArticleDOI
Applicability of the extended Petroski–Achenbach weight function procedure to graded materials
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TLDR
In this paper, the authors prove that the approximate Petroski-Achenbach method with its extensions is also valid in the case of graded materials, and prove whether or not it is valid for graded materials.About:
This article is published in Engineering Fracture Mechanics.The article was published on 2000-03-01. It has received 26 citations till now. The article focuses on the topics: Stress intensity factor & Weight function.read more
Citations
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Journal ArticleDOI
Cracks in functionally graded materials
H.-A. Bahr,Herbert Balke,Theo Fett,I. Hofinger,G. Kirchhoff,Dietrich Munz,A Neubrand,Artem S. Semenov,H.-J. Weiss,Y.Y. Yang +9 more
TL;DR: In this paper, failure of thermal barrier coatings (TBCs) under cyclic surface heating by laser irradiation is modeled on the basis of fracture mechanics, which can be understood as an effect of progressive shrinkage due to sintering and high-temperature creep during thermal cycling, which increases the energy-release rate for vertical cracks which subsequently turn into delamination cracks.
Journal ArticleDOI
Optimal strength and toughness of Al2O3–ZrO2 laminates designed with external or internal compressive layers
TL;DR: In this article, two alumina-zirconia laminates with external (ECS-laminates) and internal (ICS-laminate) compressive stresses have been investigated using a fracture mechanics weight function analysis.
Journal ArticleDOI
Prediction of the fracture toughness of a ceramic multilayer composite – Modeling and experiments
TL;DR: In this paper, a procedure to predict the fracture toughness of a ceramic multilayer composite made of different phases is presented, which requires experiments to measure the intrinsic fracture toughness and to determine the required material data.
The axisymmetric crack problem in a nonhomogeneous medium
Murat Ozturk,Fazil Erdogan +1 more
TL;DR: In this article, the axisymmetric crack problem for a nonhomogeneous medium is considered and the main results given are the stress intensity factors as a function of the nonhomogeneity parameter alpha for various loading conditions.
Journal ArticleDOI
Effective fracture toughness in Al2O3–Al2O3/ZrO2 laminates
TL;DR: In this article, the influence of geometrical parameters such as thickness, number of layers and tension/compression thickness ratio on the apparent R -curve was analyzed for different multilayers.
References
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Book
The stress analysis of cracks handbook
TL;DR: The Stress Analysis of Cracks Handbook as mentioned in this paper provides a comprehensive, easy-to-access collection of elastic stress solutions for crack configurations, along with other relevant information, such as displacements, crack opening areas, basic stress functions source references, accuracy of solutions, and more.
Journal ArticleDOI
On the Stress Distribution at the Base of a Stationary Crack
TL;DR: In this article, it was shown that at the base of the crack in the direction of its prolongation, the principal stresses are equal, thus tending toward a two-dimensional (two-dimensional) hydrostatic tension.
Journal ArticleDOI
Some remarks on elastic crack-tip stress fields
TL;DR: In this paper, it was shown that if the displacement field and stress intensity factor are known as functions of crack length for any symmetrical load system acting on a linear elastic body in plane strain, then the stress intensity factors for any other symmetric load system whatsoever on the same body may be directly determined.
Journal Article
A novel principle for the computation of stress intensity factors
TL;DR: In this paper, a state of plane strain in a notched or cracked elastic domain under the action of boundary tractions is considered, and the stress intensity factor K at a root of a notch can be re presented in the form of a weighted average of the tractions.
Related Papers (5)
Stress intensity factor calculation for internal circumferential cracks in functionally graded cylinders using the weight function approach
Iman Eshraghi,Nasser Soltani +1 more