Articles with "amorphous phase" as a keyword



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On the features of cooperative mobility in the amorphous phase of ferroelectric polymers

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Published in 2019 at "Colloid and Polymer Science"

DOI: 10.1007/s00396-019-04478-6

Abstract: AbstractFerroelectric poly(vinylidene fluoride–hexafluoropropylene) films were prepared by low-temperature crystallization from the acetone and ethyl acetate solutions. Crystalline modifications of the obtained films were different (mixture of β- and γ-phases in case of acetone and predominantly… read more here.

Keywords: phase; amorphous phase; mobility amorphous; features cooperative ... See more keywords
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Influence of amorphous phase in LaMgAl11O19 on properties of LaMgAl11O19/YSZ thermal barrier coatings

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Published in 2020 at "Ceramics International"

DOI: 10.1016/j.ceramint.2020.12.044

Abstract: Abstract Double ceramic layer thermal barrier coatings (DCL-TBCs) of LaMgAl11O19/YSZ (LMA/YSZ) were prepared by atmospheric plasma spraying (APS). Composition, microstructure and phase stability of coatings were analyzed by X-ray diffraction (XRD), scanning electron microscope (SEM)… read more here.

Keywords: phase; amorphous phase; lamgal11o19 ysz; thermal barrier ... See more keywords
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The effect of changes in Al-based amorphous phase structure on structure forming upon crystallization

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Published in 2017 at "Journal of Alloys and Compounds"

DOI: 10.1016/j.jallcom.2017.04.305

Abstract: Abstract The influence of heat treatment and deformation on structural changes of Al-based amorphous alloys in the amorphous state and at early stages of crystallization has been studied using the methods of X-ray diffraction, differential… read more here.

Keywords: phase; crystallization; based amorphous; amorphous phase ... See more keywords
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Revealing the role of the amorphous phase in Na0.74CoO2/C/N composite cathode

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Published in 2020 at "Journal of Alloys and Compounds"

DOI: 10.1016/j.jallcom.2019.152616

Abstract: Abstract To optimize the Na0·74CoO2-based cathode materials for sodium-ion batteries, we fabricated a series of Na0·74CoO2/C/N-based composites by sintering the mixtures of ZIF-4(Co) (Co [H2C3N2]2) and Na2CO3, which possess various molar Na/Co ratios (X = 0.5, 0.6,… read more here.

Keywords: cathode; na0 74coo2; amorphous phase; role amorphous ... See more keywords
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Achieving fast hydrogenation by hydrogen-induced phase separation in Mg-based amorphous alloys

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Published in 2021 at "Journal of Alloys and Compounds"

DOI: 10.1016/j.jallcom.2021.161476

Abstract: Abstract Mg-based amorphous alloys are one of the potential hydrogen storage materials. The challenges which are blocking application of such alloys involve unfavorable crystallization of amorphous phase in hydrogenation and dehydrogenation and sluggish low-temperature de/hydrogenation… read more here.

Keywords: amorphous phase; hydrogen; hydrogen induced; phase ... See more keywords
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Rational utilization of volcanic ashes based on factors affecting their alkaline activation

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Published in 2017 at "Journal of Non-crystalline Solids"

DOI: 10.1016/j.jnoncrysol.2017.02.024

Abstract: Abstract The present study evaluates the criteria that affect the characteristics of both volcanic ashes and their alkaline activated products, hence their rational utilization. To that end, five samples of volcanic ash were examined chemically,… read more here.

Keywords: volcanic ashes; amorphous phase; rational utilization; utilization volcanic ... See more keywords
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Effect of amorphous phase on the plastic deformation mechanism of Mg: A molecular dynamics study

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Published in 2018 at "Journal of Non-crystalline Solids"

DOI: 10.1016/j.jnoncrysol.2018.04.062

Abstract: Abstract Improving the plasticity of Mg alloys is an important frontier topic in the field of mechanics and materials. The influence of introduction of amorphous phase, grain size and temperature on the deformation mechanisms of… read more here.

Keywords: molecular dynamics; deformation; amorphous phase; plastic deformation ... See more keywords
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Very low density amorphous phase of zircon

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Published in 2019 at "Journal of Non-Crystalline Solids"

DOI: 10.1016/j.jnoncrysol.2019.03.023

Abstract: Abstract Using a reliable ab initio molecular dynamics method, we investigate the rapid solidification of the zircon melt. Accompanied by amorphization, a drastic volume expansion of 27% is perceived. This value is fairly larger than… read more here.

Keywords: amorphous phase; density amorphous; zircon; phase zircon ... See more keywords

Enhanced plasticity by introducing amorphous phase in nanopolycrystal Cu: A molecular dynamics study

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Published in 2020 at "Materials Chemistry and Physics"

DOI: 10.1016/j.matchemphys.2020.123254

Abstract: Abstract The effect of amorphous phase CuZr on the plastic deformation behavior of nanopolycrystal Cu is investigated using molecular dynamics simulation. The results show that the introduction of amorphous phase can effectively enhance the plasticity… read more here.

Keywords: enhanced plasticity; phase; molecular dynamics; amorphous phase ... See more keywords
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Synergistic effect of carbide and amorphous phase on mechanical property and corrosion resistance of laser-clad Fe-based amorphous coatings

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Published in 2021 at "Materials Chemistry and Physics"

DOI: 10.1016/j.matchemphys.2021.124407

Abstract: Abstract Fe-based amorphous coatings were synthesized with Fe44Cr30Mo20B3C3 powders at different laser powers on Q235 substrate at different laser powers. The microstructure and mechanical property of the coatings were investigated. X-ray diffraction and the thermodynamic… read more here.

Keywords: amorphous phase; amorphous coatings; resistance; based amorphous ... See more keywords
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Effects of amorphous phase on hot corrosion behavior of plasma-sprayed LaMgAl11O19 coating

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Published in 2019 at "Surface and Coatings Technology"

DOI: 10.1016/j.surfcoat.2019.01.097

Abstract: Abstract Plasma-sprayed LaMgAl11O19 (LaMA) coating as a novel thermal barrier coating candidate has been studied for more than a decade, but it tends to contain significant amounts of non-equilibrium amorphous phase due to rapid solidification.… read more here.

Keywords: amorphous phase; corrosion; coating; lama ... See more keywords