Search Results - "Barnoush, Afrooz"
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Correlation between dislocation density and nanomechanical response during nanoindentation
Published in Acta materialia (01-02-2012)“…[Display omitted] The crucial role of dislocations in the nanomechanical response of high-purity aluminum was studied. The dislocation density in cold-worked…”
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2
Recent developments in the study of hydrogen embrittlement: Hydrogen effect on dislocation nucleation
Published in Acta materialia (01-09-2010)“…In this paper, the intrinsic complexities of the experimental examination of hydrogen embrittlement are discussed. On the basis of these complexities, an…”
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3
Materials and corrosion trends in offshore and subsea oil and gas production
Published in Npj Materials degradation (25-07-2017)“…The ever-growing energy demand requires the exploration and the safe, profitable exploitation of unconventional reserves. The extreme environments of some of…”
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4
In-situ observation of martensitic transformation in an interstitial metastable high-entropy alloy during cathodic hydrogen charging
Published in Scripta materialia (01-12-2019)“…We show for the first time that a critical amount of dissolved hydrogen can induce a phase transformation from γ-austenite to ε-martensite in an interstitial…”
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5
A Review on the Properties of Iron Aluminide Intermetallics
Published in Crystals (Basel) (14-01-2016)“…Iron aluminides have been among the most studied intermetallics since the 1930s, when their excellent oxidation resistance was first noticed. Their low cost of…”
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Journal Article Book Review -
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Resolving the hydrogen effect on dislocation nucleation and mobility by electrochemical nanoindentation
Published in Scripta materialia (01-03-2012)“…Electrochemical nanoindentation is used to study the in situ effect of electrochemically charged hydrogen on the mechanical properties of austenitic stainless…”
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Effect of hydrogen-induced surface steps on the nanomechanical behavior of a CoCrFeMnNi high-entropy alloy revealed by in-situ electrochemical nanoindentation
Published in Intermetallics (01-11-2019)“…The effect of hydrogen on the nanomechanical properties of CoCrFeMnNi high-entropy alloy was investigated by in-situ electrochemical nanoindentation testing…”
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Correlation between the hydrogen chemical potential and pop-in load during in situ electrochemical nanoindentation
Published in Scripta materialia (01-11-2015)“…[Display omitted] The variation in the pop-in load during electrochemical nanoindentation of Fe 3wt.% Si alloy at different cathodic polarizations was…”
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Effect of hydrogen on the hardness of different phases in super duplex stainless steel
Published in International journal of hydrogen energy (05-01-2016)“…Despite its superior corrosion resistance, super duplex stainless steels (SDSS) are prone to hydrogen embrittlement. In this paper, a novel in situ…”
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10
Temperature-dependent properties of magnetic CuFeS2 from first-principles calculations: Structure, mechanics, and thermodynamics
Published in AIP advances (01-06-2019)“…Chalcopyrite (CuFeS2) is an antiferromagnetic semiconductor with promising magnetic and electrical properties, although these properties are not yet completely…”
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Hydrogen-enhanced cracking revealed by in situ micro-cantilever bending test inside environmental scanning electron microscope
Published in Philosophical transactions of the Royal Society of London. Series A: Mathematical, physical, and engineering sciences (28-07-2017)“…To evaluate the hydrogen (H)-induced embrittlement in iron aluminium intermetallics, especially the one with stoichiometric composition of 50 at.% Al, a novel…”
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12
Nanomechanical characterization of the hydrogen effect on pulsed plasma nitrided super duplex stainless steel
Published in International journal of hydrogen energy (22-11-2013)“…Pulsed plasma nitriding (PPN) is used to nitride super duplex stainless steel (SDSS). Different analytical techniques are used to characterize the nitride…”
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13
Direct observation of hydrogen-enhanced plasticity in super duplex stainless steel by means of in situ electrochemical methods
Published in Scripta materialia (01-03-2010)“…In situ electrochemical hydrogen charging in combination with atomic force microscopy and optical microscopy has been used to study the effect of hydrogen on…”
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14
Correlation between dislocation density and pop-in phenomena in aluminum studied by nanoindentation and electron channeling contrast imaging
Published in Scripta materialia (01-09-2010)“…A combination of electron channeling contrast imaging and nanoindentation tests was conducted to reveal the interconnected nature of the pop-in (yield point…”
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15
Chemically Induced Phase Transformation in Austenite by Focused Ion Beam
Published in Metallurgical and materials transactions. A, Physical metallurgy and materials science (01-03-2014)“…A highly stable austenite phase in a super duplex stainless steel was subjected to a combination of different gallium ion doses at different acceleration…”
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CO2 Adsorption and Activation on the (110) Chalcopyrite Surfaces: A Dispersion-Corrected DFT + U Study
Published in ACS omega (01-10-2019)“…We have used the density functional theory within the plane-wave framework to understand the reconstruction of most stable (110) chalcopyrite surfaces…”
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Impact of selective oxidation during inline annealing prior to hot-dip galvanizing on Zn wetting and hydrogen-induced delayed cracking of austenitic FeMnC steel
Published in Surface & coatings technology (25-10-2011)“…The present study discusses the impact of selective oxidation during in-line annealing of Fe–23%Mn–0.6%C–0.3%Si steel on surface and sub-surface properties and…”
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Hydrogen-assisted fatigue crack growth in ferritic steels – a fractographic study
Published in MATEC Web of Conferences (01-01-2018)“…Fatigue crack growth (FCG) behavior of a Fe-3wt.%Si ferritic alloy under different environmental conditions using in-situ electrochemical (cathodic) hydrogen…”
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Journal Article Conference Proceeding -
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Novel methods for micromechanical examination of hydrogen and grain boundary effects on dislocations
Published in Philosophical magazine (2003. Print) (01-09-2012)“…Most of what is known about the local interaction of dislocations with grain boundaries and hydrogen is based on transmission electron microscopy studies,…”
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Journal Article Conference Proceeding -
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The Effect of Hydrogen on the Nanoindentation Behavior of Heat Treated 718 Alloy
Published in Metals (Basel ) (01-11-2020)“…In this study, the effect of precipitates on the surface mechanical properties in the presence of hydrogen (H) is investigated by in situ electrochemical…”
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