[PDF] Top 20 Effect of crack propagation on crack tip fields

... consists of the contact of the fracture surfaces during a portion of the load ...deformation fields near the crack tip, and therefore, the intrinsic micromechanisms responsible ... See full document

... the effect of a moving contact on the crack propagation angle ...the crack mouth. The pressure on the crack faces is considered to be equal to that at the ... See full document

... process of electro-slag remelting contributes to more uniform and refined microstructure of spring steel as well as elimination of ...properties of examined spring steel. Results of ... See full document

... hi-tech fields. Addition of ductile fibers into in brittle matrix can im- prove significantly the brittleness of the matrix ...curve of bridging stress vs crack open. Bridging stress is ... See full document

... effects on cleavage fracture behavior of cracked structural ...features of current two- parameter fracture methodologies which extend the limits of applicability of single parameter ... See full document

... toughness of cement paste with rubber inclusions was influ- enced by both crack tip and crack wake ...absence of crack tip and/or crack wake mechanisms depends ... See full document

... review of this method can be found in the previous research [17] ...the crack tip, the singular elements have to be ...field of singularity around the crack ...discussion on the ... See full document

... elongation of the crevices and stable crack propagation take ...initiation of macro-cracks and their ...creation of macro-cracks occur in the layer close to the surface, but only the ... See full document

... purpose of this work is to investigate experimentally the effects of mixed-mode I/II loading on the fracture behavior of polymer ...the crack opening displacements. The crack ... See full document

... knowledge of the nature and origin of fracture, as well as understanding of how the fracture occurs, with an insight into the various characteristic features and its effect of these ... See full document

... the crack tip set of experiments was carried out using specimens with pre-grown centered fatigue ...power of heat source caused by plastic deformation at crack ...Based on the ... See full document

... mechanism of RCF crack initiation under the contact surface, Grabulov et ...investigated crack initiation around inclusions by a dual-beam (scanning electron microscopy (SEM)/focused ion beam (FIB)) ... See full document

... Two samples from each group (Ctrl, Ctrl/LTD, G, G/LTD) were mirror-polished (Aropol E, Arotec, Cotia, Brazil) with SiC paper (600, 800, 1200, 2000, 2500 grit) and cleaned in an ultrasonic bath (1440 D – Odontrobras, ... See full document

... any of the three commented nonlinearities worsens the resolution of the crack-tip ...them of the crack growth via bond breaking, modeling of which is surrounded by the ... See full document

... correlation of high temperature crack growth data essentially follows that of elastic-plastic fracture ...creep crack growth behaviour has been discussed for a number of years [7, 8] ... See full document

... Values of the stress intensity factor at closure, K cl , were ...(closure effect) linearly decreases with ∆K. On the other hand, for 8090 alloy, a nearly constant relationship between closure ... See full document

... analyses of a nonlinear beam resting on an elastic foundation subjected to a moving load have been performed by Chang and Liu ...based on the finite element method for treating the dynamic analysis ... See full document

... The mathematical modeling consist in finding a function f such that Y = f (X 1 , X 2 , , X n ). A classical study method relies on the measure of the response Y for many values of variable X i by ... See full document

... beginning of unstable crack growth, because the consequence often is a high material and immaterial ...unstable crack growth under 2D- and 3D-mixed-mode-loading many criteria exist, which compare the ... See full document

... Lot of work has been reported by many researchers who worked to study the effect of structures with irregular plan and ...study on effects of earthquake on irregular shaped ... See full document