Search Results - "Oguz, Umut"
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A Cosserat crystal plasticity and phase field theory for grain boundary migration
Published in Journal of the mechanics and physics of solids (01-06-2018)“…The microstructure evolution due to thermomechanical treatment of metals can largely be described by viscoplastic deformation, nucleation and grain growth…”
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2
Mean Green operators of deformable fiber networks embedded in a compliant matrix and property estimates
Published in Continuum mechanics and thermodynamics (01-01-2019)“…Composites comprising included phases in a continuous matrix constitute a huge class of meta-materials, whose effective properties, whether they be mechanical,…”
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Tempering the mechanical response of FCC micro-pillars: An Eulerian plasticity approach
Published in Mechanics research communications (01-06-2021)“…•The first use of a “minimal” 2D Eulerian plasticity approach in modeling micro-pillars compression.•The model reproduces ductile fracture (kink band…”
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4
Dissection of TBK1 signaling via phosphoproteomics in lung cancer cells
Published in Proceedings of the National Academy of Sciences - PNAS (23-07-2013)“…TANK-binding kinase 1 (TBK1) has emerged as a novel therapeutic target for unspecified subset of lung cancers. TBK1 reportedly mediates prosurvival signaling…”
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5
Discontinuous yielding of pristine micro-crystals
Published in Comptes rendus. Physique (01-06-2021)“…We study the mechanical response of a dislocation-free 2D crystal under homogenous shear using a new mesoscopic approach to crystal plasticity, a Landau-type…”
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Cdc45 limits replicon usage from a low density of preRCs in mammalian cells
Published in PloS one (01-03-2011)“…Little is known about mammalian preRC stoichiometry, the number of preRCs on chromosomes, and how this relates to replicon size and usage. We show here that,…”
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Mass Spectrometry Mapping of Epidermal Growth Factor Receptor Phosphorylation Related to Oncogenic Mutations and Tyrosine Kinase Inhibitor Sensitivity
Published in Journal of proteome research (07-01-2011)“…The epidermal growth factor receptor (EGFR) plays an important role in cancer by activating downstream signals important in growth and survival. Inhibitors of…”
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Origin of stabilization of macrotwin boundaries in martensites
Published in The European physical journal. B, Condensed matter physics (2019)“…The origin of stabilization of complex microstructures along macrotwin boundaries in martensites is explained by comparing two models based on Ginzburg-Landau…”
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Fluctuations in crystalline plasticity
Published in Comptes rendus. Physique (01-01-2021)“…Recently acoustic signature of dislocation avalanches in HCP materials was found to be long tailed in size and energy, suggesting critical dynamics. Moreover,…”
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10
Minimal integer automaton behind crystal plasticity
Published in Physical review letters (29-04-2011)“…Power law fluctuations and scale-free spatial patterns are known to characterize steady state plastic flow in crystalline materials. In this Letter we study…”
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Overdamped langevin dynamics simulations of grain boundary motion
Published in Materials theory (27-05-2019)“…Macroscopic properties of structural materials are strongly dependent on their microstructure. However, the modeling of their evolution is a complex task…”
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12
Fluctuations in crystalline plasticity
Published 22-05-2021“…Recently acoustic signature of dislocation avalanches in HCP materials was found to be long tailed in size and energy, suggesting critical dynamics. Even more…”
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13
Slip-dominated structural transitions
Published 06-09-2024“…We use molecular dynamics to show that plastic slip is a crucial component of the transformation mechanism of a square-to-triangular structural transition. The…”
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14
Taming intermittent plasticity at small scales
Published in Acta materialia (15-04-2017)“…The extreme miniaturization in modern technology calls for deeper insights into the non-conventional, fluctuation dominated mechanics of materials operating at…”
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15
One-pot synthesis of a red-fluorescent chemosensor from an azacrown, phloroglucinol and squaric acid: A simple in-solution construction of a functional molecular device
Published in Tetrahedron letters (23-06-1997)“…A long wavelength fluorescent, squaraine-based chemosensor has been synthesized in one step from commercially available precursors. The resulting squaraine…”
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16
A Cosserat crystal plasticity and phase field theory for grain boundary migration
Published 04-06-2018“…Journal of the Mechanics and Physics of Solids 115 (2018) 167-194 The microstructure evolution due to thermomechanical treatment of metals can largely be…”
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17
Accounting for Localized Deformation: A Simple Computation of True Stress in Micropillar Compression Experiments
Published in Experimental mechanics (01-11-2024)“…Background Compression experiments are widely used to study the mechanical properties of materials at micro- and nanoscale. However, the conventional…”
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18
Volume Changes During Active Shape Fluctuations in Cells
Published in Physical review letters (22-05-2015)“…Cells modify their volume in response to changes in osmotic pressure but it is usually assumed that other active shape variations do not involve significant…”
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19
Taming intermittent plasticity at small scales
Published 10-10-2016“…The extreme miniaturization in modern technology calls for deeper insights into the non-conventional, fluctuation dominated mechanics of materials at micro- to…”
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20
On the critical nature of plastic flow: one and two dimensional models
Published 21-02-2012“…Steady state plastic flows have been compared to developed turbulence because the two phenomena share the inherent complexity of particle trajectories, the…”
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