Mixed-mode Crack Behavior
Author | : Keith John Miller |
Publisher | : ASTM International |
Total Pages | : 340 |
Release | : 1999 |
Genre | : Technology & Engineering |
ISBN | : 0803126026 |
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Author | : Keith John Miller |
Publisher | : ASTM International |
Total Pages | : 340 |
Release | : 1999 |
Genre | : Technology & Engineering |
ISBN | : 0803126026 |
Author | : E. E. Gdoutos |
Publisher | : |
Total Pages | : 204 |
Release | : 1984 |
Genre | : Fracture mechanics |
ISBN | : 9789024730568 |
Author | : Valery N. Shlyannikov |
Publisher | : Springer Science & Business Media |
Total Pages | : 255 |
Release | : 2013-11-11 |
Genre | : Technology & Engineering |
ISBN | : 3540458360 |
My wife Tatyana, daughter Mariya, son Alexandr It is well known that the mixed-mode conditions appear when the direction of the applied loading does not coincide with the orthogonal K,-Kn-Km space. In general, in the industrial practice the mixed-mode fracture and the mixed-mode crack growth are more likely to be considered the rule than the exception. Miller et al. considers that cracks can grow due to a mixture of processes (ductile and brittle), mechanisms (static, fatigue, creep) and loading modes (tension, torsion, biax ial/multiaxial). Additionally mixed-mode crack-extension can be affected by many other considerations such as artifact geometry (thin plates, thick shells, and the size, shape and orientation of the defect), environmental effects (temperature, gaseous and liquid surroundings), material state (crystallographic structure, heat treatment and route of manufacture) and stress conditions (out-of-phase and ran dom loading effects). The main feature of the mixed-mode fracture is that the crack growth would no longer take place in a self-similar manner and does not follow a universal trajec tory that is it will grow on a curvilinear path. There are various fracture criteria, which predict the behavior of cracks in brittle and ductile materials loaded in combined modes. Linear elastic fracture mechanics (LEFM) criteria predict basi cally the same direction for crack propagation. Cracks in brittle materials have been shown to propagate normal to the maximum tangential stress. In ductile ma terials yielding occurs at the crack tip and LEFM is no longer applicable.
Author | : K. Reifsnider |
Publisher | : ASTM International |
Total Pages | : 298 |
Release | : 1982 |
Genre | : Technology & Engineering |
ISBN | : 9780803106963 |
Author | : Emmanuel Gdoutos |
Publisher | : Springer Nature |
Total Pages | : 345 |
Release | : 2020-05-18 |
Genre | : Technology & Engineering |
ISBN | : 3030478831 |
This book presents the proceedings of the 3rd edition of the International Conference on Theoretical, Applied and Experimental Mechanics. The papers focus on all aspects of theoretical, applied and experimental mechanics, including biomechanics, composite materials, computational mechanics, constitutive modeling of materials, dynamics, elasticity, experimental mechanics, fracture mechanics, mechanical properties of materials, micromechanics, nanomechanics, plasticity, stress analysis, structures, wave propagation.
Author | : RE. Link |
Publisher | : |
Total Pages | : 14 |
Release | : 1993 |
Genre | : Fatigue crack growth |
ISBN | : |
Most of the currently available methods for predicting fatigue crack growth in structures do not consider effects due to mixed-mode loading. This is partly due to the limited information available concerning the fatigue crack growth under mixed mode loading. Previous investigations of mixed mode effects on fatigue crack growth have shown that under combined opening and in-plane shear loading, the cracks turn abruptly so that the in-plane shear mode is eliminated [1-3]. Very little data are generated before the crack curvature eliminates the mixed mode loading. The changing orientation of the crack during the test makes analysis of the problem difficult and may cloud the intrinsic fatigue crack growth rate behavior under mixed mode loading. Situations can exist in engineering structures in which cracks may grow in a self-similar manner even under the influence of mixed mode loading. Examples of such situations are radial cracks in bearing races [4] and transverse cracks in rotating shafts under shear and bending loads. The cracks may not change orientation because the in-plane shear component is fully reversed. It is necessary to understand the effects of mixed mode loading on fatigue crack growth in order to properly predict the behavior of these components.
Author | : M. W. Brown |
Publisher | : |
Total Pages | : 712 |
Release | : 1989 |
Genre | : Technology & Engineering |
ISBN | : |
The 36 paper spresented in this volume were presented at the second international conference on biaxial/multiaxial fatigue.
Author | : David L. McDowell |
Publisher | : ASTM International |
Total Pages | : 455 |
Release | : 1993 |
Genre | : Alloys |
ISBN | : 0803118627 |
Papers presented at the ASTM Symposium on Multiaxial Fatigue, held in San Diego, November 1991, to communicate the most recent international advances in multiaxial cyclic deformation and fatigue research as well as applications to component analysis and design. The 24 papers are grouped into five ca
Author | : CF. Shih |
Publisher | : |
Total Pages | : 24 |
Release | : 1974 |
Genre | : Crack initiation |
ISBN | : |
The small-scale yielding analysis of an elastic-plastic body with a line crack under plane-strain conditions subject to combinations of Mode I and II loadings is examined. The analysis of the near-tip field follows the works of Hutchinson and Rice and Rosengren. Dominant singularity solutions governing the asymptotic behavior of the stresses and strains at the crack tip are obtained for the complete range of loadings between Mode I and II. The results of an accurate finite element technique, which imbeds the dominant singularity solutions, directly relates the near-tip behavior to the elastic stress intensity factors KI and KII. Implications of this study to mixed mode fracture mechanics is also discussed, particularly with respect to the direction of crack initiation and the relation of fracture toughness under mixed modes to that in Mode I. Details of the mixed mode plastic zone sizes and shapes are also given.
Author | : Leif A. Carlsson |
Publisher | : CRC Press |
Total Pages | : 259 |
Release | : 2002-10-29 |
Genre | : Technology & Engineering |
ISBN | : 142003202X |
Over much of the last three decades, the evolution of techniques for characterizing composite materials has struggled to keep up with the advances of composite materials themselves and their broadening areas of application. In recent years, however, much work has been done to consolidate test methods and better understand those being used. Finally,