Stress intensity factor
3D Stress intensity factor and T-stresses (T11 and T33) formulations for a Compact Tension specimen
... of stress intensity factor and T ...the stress fields near the crack-tip and suggested a simple technique to determine 3D K I at the mid-plane by knowing 2D K I and Poisson’s ratio () of the ...
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Variation of stress intensity factor and elastic T-stress along the crack-front in finite thickness plates
... to as the T-stress. The T-stress is as an additional stress field characterizing parameter to stress intensity factor (K) in the analysis of cracked bodies. T-stress is ...
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Mat. Res. vol.17 número5
... reined near the crack tip area with an element dimension of 0.067 mm using at least ifteen such ine elements in the front and back of the crack tip. The inite element mesh was generated using brick elements with 20 ...
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Fatigue failure analysis of pin-loaded lugs
... computed stress intensity factor for different crack ...the stress intensity factors from the preceding ...the stress intensity factor as well as crack lengths in ...
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BIMATERIAL BRAZILIAN SPECIMEN FOR D E T E R M I N I N G INTERFACIAL F R A C T U R E TOUGHNESS
... Since the specimen was calibrated so that the fracture energy release rate and the complex stress intensity factor can be calculated when specimen diameter, crack[r] ...
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The pecularities of shear crack pre-rupture evolution and distribution of seismicity before strong earthquakes
... 2. A specific form of zones of comparatively higher risk of destruction (Fig. 5) must cause an oblong structure of crack clusters. This explains the concentration of the seismicity and the acoustic shocks close to the ...
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A methodology to develop shallow cracks for qualification of a NDT technique
... This dissertation main objective is the use of numerical/analytical approaches to develop a new methodology to manufacture shallow fatigue cracks for the qualification of NDT technologies. A four point bending setup was ...
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Mat. Res. vol.17 número6
... stress intensity factor at the crack tip with respect to the normal load pressing the punch against the substrate obtained by the analytical model and ...contact stress s yy generated in the ...
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Investigations to Model and Analyse the OHC Strength of Hybrid Composites
... Material strength may be correlated with its fracture energy, elastic modulus, and the size of the crack initiating the fracture. In this domain, the fracture toughness of the material has a major role in the ...
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Analysis of the stress-inducible transcription factor SsNAC23 in sugarcane plants
... cold stress with physiological changes and alterations of their gene expression, which can lead to higher levels of tolerance and cold acclimation (Guy et ...temperature stress (Nogueira et ...transcription ...
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Tomato NAC transcription factor SlSRN1 positively regulates defense response against biotic stress but negatively regulates abiotic stress response.
... Our VIGS-based experimental results demonstrate that SlSRN1 is a positive regulator of defense response against biotic stress including B. cinerea and Pst DC3000. Expression of SlSRN1 was dramatically induced by ...
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In flammation and oxidative stress in heart failure: effects of exercise intensity and duration
... Oxidative stress stimulates the production of cytokines and adhe- sion molecules, and the activation and proliferation of lymphocytes through activation of the kappa B nuclear transcription factor (NFkB) ...
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Nrf2 activation as a future target of therapy for chronic diseases
... oxidative stress-mediated ...Nrf2 factor are a valuable alternative mechanism to the use of exogenous antioxidants to reverse the vicious circle of oxidative stress and ...
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STUDY OF WORK CONDITIONS AS A FACTOR IN STRESS IN SEWING INDUSTRY WORKERS.
... In the last years the sector of small and medium sized companies, the sewing ones being part of them, is recog- nized as an important factor providing employability in the country. Along with the food processing, ...
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The emission factor of volatile isoprenoids: stress, acclimation, and developmental responses
... light intensity of 1000 µmol m −2 s −1 and ambient CO 2 concentration of 370 µmol mol −1 ) upon acclimation to different CO 2 growth concentrations (C g ) (modified from Young et ...
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Keratinocyte growth factor protected cultured human keratinocytes exposed to oxidative stress
... oxidative stress and supplementation of keratinocyte growth factor (KGF) on cultivated human ...Oxidative stress was produced through addition of hydrogen peroxide (H 2 O 2 ) to the culture ...growth ...
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Tese PhD Rita Ferreira
... Besides ubiquitin, eukaryotic cells also express a group of ubiquitin-like proteins, such as SUMO that is also conjugated to the lysine residues of targeted substrates by an isopeptidic bond similar to that observed for ...
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Optimization of composite catenary risers
... and stress resultants (axial force, bending and torsional moments) along the ...the stress resultants calculated in global analysis at critical joints are used as input data for local ...
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Novel NAC transcription factor TaNAC67 confers enhanced multi-abiotic stress tolerances in Arabidopsis.
... reported stress responsive NAC members in the N-terminal DNA binding domains, including OsNAC1, TaGRAB1, TaNAC2, TaNAC2a, TaNAC4 and TaNAC69, while differs in the C- terminal transcriptional activation ...abiotic ...
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Effects of Light Intensity on Growth, Anti-Stress Ability and Immune Function in Yellow Feathered Broilers
... Light intensity plays an important role in broiler’s health (Blatchford et ...light intensity has negative effects on broiler’s carcass traits, early uniformity and meat tenderness, and is in relation to ...
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