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Critical Stress in Mixed Mode Fracture
2003(a) For the geometry in Figure. 1, determine the direction of crack propagation according to the maximum tangential stress criterion of Erdogan and Sih [1]. (b) Sketch this direction on a figure. (c) Determine the critical stress at fracture, σcrit.
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Mixed Mode Fracture for Notched Structures
2001This paper deals with the problem of mixed mode fracture. Elastic finite element analyses are described for circular rings containing a V-notch on the internal radius. The circular rings are subjected to a pair of unsymmetrical loads on the outside radius. With elastic analysis, the mixed mode stress field near the notch root is calculated.
L. S. Niu, Q. Y. Hu, W. Wang
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Mixed Mode Fracture in Anisotropic Media
1976Tests were performed on straight-grained timber to give Mode I fractures in three geometries, and satisfactory K1 data were produced. Mode II tests were more difficult to perform, and the data correlated on a constant net section shear stress basis indicated some form of shear yielding failure. The mixed mode tests used tension specimens with the grain
JG Williams, MW Birch
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Mixed mode (Mode I-II) fracturing of rocks
2010A major challenge in rock fracture mechanics research at its current stage of development is the extrapolation of parameter values measured at laboratory-scale on small, intact rock specimens to large-scale jointed rock masses. Understanding crack growth is therefore very important for assessing the stability of rock masses/materials and for the sage ...
Erarslan, N., Williams, D. J.
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Mixed mode interface fracture criteria
Acta Metallurgica et Materialia, 1990Abstract The shielding of the full effect of mode II and III for interface cracks in brittle materials is demonstrated to be very important such that proper interface fracture criteria need to be modelled. A method for comparison of different phenomenological fracture criteria is discussed and applied to an experiment for a polyimide/glass interface.
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Mixed-Mode Interfacial Fracture Mechanics
1991Major advances have been made in the mechanics of interface fracture. An account of a pragmatic engineering methodology, which allows the fracture resistance of interfaces to be measured and utilized, has appeared in a Proceeding edited by Ruhle, Evans, Ashby and Hirth [1] and in a comprehensive article by Hutchinson and Suo [2]. The plasticity aspects
C. F. Shih, L. Cheng
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Mixed mode fracture in concrete beams
Engineering Fracture Mechanics, 1990Abstract In this paper we discuss mixed mode experiments over symmetrically notched beams of concrete. In particular, one considered geometrically similar specimens of different size-scale. The beam was loaded to failure using crack-mouth-sliding-displacement control.
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