Results 251 to 260 of about 28,118 (298)

Dislocation-crack interaction

Journal of Physics and Chemistry of Solids, 1987
Abstract In this paper, recent developments in the understanding of the dislocation-crack interaction and its relationship to the phenomena of crack tip deformation and fracture toughness are reviewed. An enhanced research activity in this area began with successful observations of the behavior of crack tip dislocations by various techniques, namely ...
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Interaction of a dislocation with a crack

Journal of Applied Physics, 1983
A solution is given of the field equations of nonlocal elasticity for a line crack interacting with a screw dislocation in an elastic plane under antiplane shear loading. Displacement and stress fields are determined throughout the core region and beyond.
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Interaction of a Dislocation with a Crack

Physica Status Solidi (a), 1984
INT CTR THEORET PHYS,I-34100 TRIESTE,ITALY.;LUNG, CW (reprint author), ACAD SINICA,INST MET RES,SHENYANG,PEOPLES R ...
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Interaction of a penny-shaped crack with an elliptic crack

International Journal of Fracture, 1995
Three-dimensional problem of crack-microcrack interaction is solved. Both the crack and microcrack are embedded in an infinite isotropic elastic medium which is subjected to constant normal tension at infinity. One of the cracks is circular while the other is elliptic and they are coplanar and are positioned in such a way that the axis of the elliptic ...
A. Roy, T. K. Saha
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A PIEZOELECTRIC INHOMOGENEITY INTERACTING WITH A BRANCHED CRACK

International Journal of Computational Methods, 2006
This paper deals with the interaction between a circular piezoelectric inhomogeneity (a circular piezoelectric fiber sensor) and a symmetrically branched crack. The piezoelectric inhomogeneity is embedded in a nonpiezoelectric, elastic matrix with a symmetrically branched crack near the inhomogeneity.
Xiao, Z. M., Guo, J. Y., Weng, G. J.
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Interaction of Shear Waves and Propagating Cracks

Physical Review Letters, 2003
Shear waves generated from an ultrasonic transducer are used to twist dynamically growing crack fronts; the response of crack front to such external perturbations is examined in order to investigate the primary cause of surface roughening in brittle materials.
D, Bonamy, K, Ravi-Chandar
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Interaction of Sound with Fast Crack Propagation

Physical Review Letters, 1998
The influence of ultrasounds on crack dynamics in brittle materials is experimentally studied by using both the natural sound emitted by the propagating crack and an artificially generated ultrasound burst. We show that, although the acoustic energy is only 5% of the energy needed to propagate the crack, the presence of sound waves in the specimen ...
J.F Boudet, S Ciliberto
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Interaction between crack deflection and crack bridging

Journal of the European Ceramic Society, 1992
The potential of crack deflection and crack bridging as competing toughening mechanisms is reviewed. Available measurement techniques take a crucial role where it is required to distinguish between toughening increments associated with crack tip processes and crack wake processes near the crack tip.
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Interacting multiple cracks with complicated crack surface conditions

International Journal of Fracture, 1996
In solving multiple cracks problems for the strong crack interactions, crack surfaces that are not always open even under remote tension loading, some crack surfaces may contact or even partially contact.
Han Xueli, Wang Tzuchiang
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A study into the interaction of intergranular cracking and cracking at a fastener hole

Meccanica, 2013
This paper describes the results of a study into a new class of multi-site damage problems, viz: the interaction between multi-layer intergranular cracks and cracks that grow from small naturally occurring material discontinuities at a hole. The nature of the intergranular cracks, which are perhaps better thought of as delaminations rather than cracks,
R. Jones, M. Lo, D. Peng, A. Bowler, M. Dorman, M. Janardhana, N. S. Iyyer   +6 more
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