Results 1 to 10 of about 9,466,993 (248)

Effect of an Aluminosilicate Disperse Additive on Behaviors of Autoclave Silicate Materials

open access: yesBuildings, 2021
In this research, a phase formation in CaO–SiO2–Al2O3–H2O binding system under hydrothermal conditions was studied. The novelty of this article lies in the quantitative full-profile X-ray diffraction (XRD) analysis used to determine kinetics of mineral ...
Viktoriya Nelubova   +5 more
doaj   +1 more source

Review and Stress Analysis on the Lithiation Onset of Amorphous Silicon Films

open access: yesBatteries, 2023
This work aims to review and understand the behavior of the electrochemical lithiation onset of amorphous silicon (a-Si) films as electrochemically active material for new generation lithium-ion batteries.
Kai Zhang   +4 more
doaj   +1 more source

Morphology, phase and chemical composition of the nanostructures formed in the systems containing lanthanum, cerium, and silver

open access: yesХімія, фізика та технологія поверхні, 2021
  X-ray phase and thermogravimetric analysis, scanning electron microscopy and energy-dispersion spectroscopy were used to study the products of phase formation during the precipitation of lanthanum and cerium salts in the presence of silver nitrate ...
O, M. Lavrynenko   +3 more
doaj   +1 more source

Features of the Phase Formation of Cr/Mn/Fe/Co/Ni/Cu Codoped Bismuth Niobate Pyrochlore

open access: yesCrystals, 2023
The phase formation process of Bi2Cr1/6Mn1/6Fe1/6Co1/6Ni1/6Cu1/6Nb2O9+Δ containing 3d-ions of transition elements in equimolar quantities was studied in a wide temperature range (400–1050 °C).
Nadezhda A. Zhuk   +5 more
doaj   +1 more source

Phenomenology, Kinetics and Application of Abrasive-Reactive Wear during Comminution (Overview)

open access: yesKONA Powder and Particle Journal, 2014
Valuable information on the phenomenology of mechanical activation will be obtained from the accurate characterization of wearing processes that take place within mechanochemical reactors.
Farit Kh. Urakaev   +1 more
doaj   +1 more source

Structure of the interlayer between Au thin film and Si-substrate: Molecular Dynamics simulations

open access: yesMaterials Research Express, 2020
Interaction between 2, 3, 5 and 7 atomic layers of gold and a (111) silicon surface was investigated with the molecular dynamics simulation method. The simulation of the diffusion interaction between gold and silicon in the temperature range 425–925 K ...
V Plechystyy   +5 more
doaj   +1 more source

Structure and Properties of Tantalum Coatings Obtained by Electron Beam Technology on Aluminum Substrates

open access: yesApplied Sciences, 2020
The paper deals with the study of the structure and properties of tantalum coatings formed by electron beam evaporation and deposition of tantalum powder on 300–450 °C aluminum substrate.
Khatia Ananiashvili   +4 more
doaj   +1 more source

COLLECTIVE DYNAMICS AND DIMENSIONAL EFFECTS OF PHASE FORMATION IN THE «AEROSIL – POLYSTYRENE LATEX» SYSTEM

open access: yesКонденсированные среды и межфазные границы, 2019
Purpose. In addition to characterizing the optical, electronic, mechanical, and catalytic properties of individual nanoparticles, much attention is paid to the development of methods for assembling nanoparticles into large ordered or disordered ...
Dolgih Igor I.   +2 more
doaj   +1 more source

The Effect of Operational Factors on Phase Formation Patterns in the Light-Water Reactor Pressure Vessel Steels

open access: yesMetals, 2023
This paper presents the results of atom probe tomography studies on radiation-induced phase formation in light-water reactor pressure vessel steels after neutron irradiation under various conditions in comparison with the literature data.
Svetlana Fedotova, Evgenia Kuleshova
doaj   +1 more source

Phase Formation of Co and Cr Co-Doped Bismuth Niobate with Pyrochlore Structure

open access: yesInorganics, 2023
The formation mechanisms of pyrochlore-type Bi2Co1/2Cr1/2Nb2O9+Δ (space group Fd-3m, a = 10.4838(8) Å), in the temperature range from 400 to 1050 °C were studied by employing X-ray diffraction, scanning electron microscopy and energy-dispersive ...
Nadezhda A. Zhuk   +5 more
doaj   +1 more source

Home - About - Disclaimer - Privacy