Stress Intensity Factor(SIF)
The potential for suppressing rail defect growth through tailoring rail thermo-mechanical properties
... of stress intensity factor was assessed by considering the movement of a wheel incrementally across the crack (Figure 3), generating a series of ...normal stress is indicated in the figure, ...
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Analytical Solution for Bending Stress Intensity Factor from Reissner’S Plate Theory
... the stress dis- tribution in the neighborhood of a ...of stress singularities at crack tips in plate ex- tension and bending ...the stress intensity factor is nearly linear through the ...
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Calculation of the Stress Intensity Factor in an Inclusion Containing Matrix
... higher stress concentration factor magnitude for the elongated ...the stress intensity factor needed to propagate a crack emerging from an elongated void will require a lower remote ...
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Simplified Weight Function for Calculating Stress Intensity Factor in Complicated Stress Distributions
... a stress intensity factor, K was firstly proposed by Bueckner in 1970 and further discussed by Rice ...arbitrary stress distribution ...I stress intensity factor K I of ...
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Estimation of Stress Intensity Factor for the different Crack Modes using Finite Element Analysis
... are stress cycles and Crack ...as Stress Intensity Factor (SIF).The stress intensity factors depend on the geometry of the component and on loading ...of stress ...
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A review of using thermoelasticity for structural integrity assessment
... the stress intensity factor from thermoelastic data is presented by Diaz et ...the stress field around the crack tip to thermoelastic data, where the crack tip was considered as a variable to ...
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Estimation of Stress Intensity Factor for the different Crack Modes using Finite Element Analysis
... are stress cycles and Crack ...as Stress Intensity Factor (SIF).The stress intensity factors depend on the geometry of the component and on loading ...of stress ...
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Online Full Text
... The specimen prepared according to the configurations mentioned above was then clamped in the Transmission Polariscope and the tensile load was applied. Due to the application of the normal loading, fringes appeared. ...
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Theoretical Analysis and Experimental Verification of Crack Initiation Characteristics of Compression Shear Plane Crack with Hydraulic Pressure
... the stress intensity factor of pre-exciting open-type crack with hydrau- lic pressure, the mode I stress intensity factor decreases with the increase of pre-exciting crack dip ...
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Statistical model prediction of fatigue life for diffusion bonded Inconel 600
... and stress constraints. In addition to these plane stress and strain constraints, the model also considers an opening stress, which is the applied stress level that causes a crack to open up ...
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Crack Growth Behavior in Cemented Carbide by Repeated Thermal Shock
... tively. From this comparison, it was found that the relation between the rate of fatigue crack growth (FCG) and the maximum stress intensity factor in the RTS tests was equivalent to the one obtained ...
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Crack paths under mixed mode loading
... When studying fatigue crack propagation it is desirable to be able to evaluate the stress intensity factor range of the growing crack. To do so, the techniques based on photoelasticity and ...
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Fatigue Crack Propagation Behavior in Commercial Purity Ti Severely Deformed by Accumulative Roll Bonding Process
... consist of fine equiaxed grains and elongated lamellar grains. In the sheet ARB processed by 6-cycle, the mean size of fine equiaxed grain was 89 nm, and the mean thickness of the lamellar grains were 67 nm. The tensile ...
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Visualisation and modelling to understand rail rolling contact fatigue cracks in three-dimensions
... II stress intensity factors for such cracks covering multiple PA ...peak stress intensity factor values, compared with 2D, for the prediction of crack growth ...
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Moiré interferometry applied to fracture in titanium tubes
... constraint conditions during tests are appropriate, the British Standard [15] prescribes that for CTOD tests, the specimen material shall be of the thickness of the material application of interest; for both crack ...
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The effect of notches and pits on corrosion fatigue strength
... the stress concentrating effects one must consider the extremely complex geometry of some ...a stress concentration based on simple approximations and are unable to give accurate ...the stress with ...
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T-stress determination using thermoelastic stress analysis
... the SIF from TSA data that locating the crack tip within the field of data has a significant influence on the calculated parameters ...for SIF determination that does not require an accurate knowledge of ...
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SIF and the emergence of independent film and video in Sheffield
... the SIF model became defined by its equipment usage versus the projects its members were engaged ...that SIF, despite best efforts, was often left behind in the technological race for the broadcast ready ...
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Understanding and mitigating hydrogen embrittlement of steels : a review of experimental, modelling and design progress from atomistic to continuum
... of hydrogen on the kink-pair nucleation enthalpy, kink nucleation rate and dislocation migration pro- cess. The interaction energy between a screw dislo- cation and hydrogen atoms, calculated using first- principles for ...
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Understanding and mitigating hydrogen embrittlement of steels: a review of experimental, modelling and design progress from atomistic to continuum
... of the effectiveness of microstructural engineer- ing has been the subject of extensive discussions. For instance, Wang et al. [228] studied the mechanisms of hydrogen embrittlement in pure iron using repeated ...
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