Results 21 to 30 of about 4,672,322 (298)

Phase Equilibria in the Sn–As–Sb System with Tin Concentrations of Less than 50 mol%

open access: yesКонденсированные среды и межфазные границы, 2020
Tin- and antimony-based alloys, including SnSb and other compounds of the AIVBV type, are used for the production of anodes for Li+- and Na+ion batteries.
Tatiana P. Sushkova   +5 more
doaj   +1 more source

Phase stability and thermal expansion of ZnO solid solutions with 3d transition metal oxides synthesized at high pressure [PDF]

open access: yes, 2023
International audiencePhase stability and thermal expansion of rock-salt Me1-xZnxO (Me = Ni2+, Co2+, Fe2+, Mn2+) solid solutions synthesized at high pressures and high temperatures have been studied by synchrotron X ray diffraction in a wide (0.1 ≤ x ≤ 0.
Solozhenko, Vladimir   +5 more
core   +1 more source

Improvement of Abrasion Resistance of Production Equipment Wear Parts by Hardfacing with Flux-Cored Wires Containing Boron Carbide/Metal Powder Reaction Mixtures

open access: yesManagement Systems in Production Engineering, 2020
In this work was established that serial traditional hardfacing materials based on the Fe-Cr-C system are not effective for improvement of abrasion resistance of elements of equipment for production of bricks, solid fuel briquettes and for restoration of
Ivanov Oleksandr   +4 more
doaj   +1 more source

Influence of Heat Treatment and High-Pressure Torsion on Phase Transformations in TiZrHfMoCr High-Entropy Alloy

open access: yesMetals, 2023
The study focused on a 21.99 at.%Ti–22.49 at.%Zr–20.35 at.%Hf–17.45 at.%Mo–17.73 at.%Cr). Analytical techniques such as X-ray diffraction, scanning electron microscopy as well as X-ray absorption spectroscopy were employed to investigate the alloy’s ...
Alena Gornakova   +7 more
doaj   +1 more source

Application of X-ray Microtomography to Quantify the Liquid Fraction of M2 Steel for Semi-solid Forming process [PDF]

open access: yes, 2013
Thixoforging, one variant of semi-solid metal processing in which the metallic alloys are processed at low liquid fraction (0.1< Fl < 0.3), is used to produce complex parts with high mechanical properties.
GU, Guochao   +4 more
core   +1 more source

Electrocaloric Effect in (1−x)(0.8Na0.5Bi0.5TiO3-0.2BaTiO3)−xCaTiO3 Solid Solutions at High Electric Fields

open access: yesCrystals, 2022
Recently, promising results were obtained in studies of the electrocaloric effect in thin films. Therefore, research into this effect at high applied electric field values in bulk ferroelectrics is an important task for those scoping out materials that ...
Ojars Martins Eberlins   +5 more
doaj   +1 more source

Phase Equilibria in the Tl4PbTe3-Tl9SmTe6-Tl9BiTe6 Section of the Tl-Pb-Bi-Sm-Te System

open access: yesActa Chimica Slovenica, 2018
Phase equilibria in the section Tl4PbTe3-Tl9SmTe6-Tl9BiTe6 of the Tl-Pb-Bi-Sm-Te system were determined by combination of differential thermal analysis, powder X-ray diffraction methods as well as microhardness measurements.
Samira Imamaliyeva   +4 more
doaj   +1 more source

Magnetic behavior of Fe-doped of multicomponent bismuth niobate pyrochlore

open access: yesReviews on Advanced Materials Science, 2021
Two series of iron-containing solid solutions Bi2Mg1−xFexNb2O9+δ and Bi2MgNb2−2xFe2xO9−δ of pyrochlore structure were obtained by the traditional solid phase synthesis method.
Zhuk Nadezhda A.   +5 more
doaj   +1 more source

Phase Composition and Mechanical Properties of Sm2O3 Partially Stabilized Zirconia Crystals

open access: yesCrystals, 2022
The mechanical properties, phase composition and luminescence of (ZrO2)1−x(Sm2O3)x (x = 0.02–0.06) crystals synthesized using directional melt crystallization were studied. The regularities of changes in the phase composition of the crystals depending on
Mikhail Borik   +8 more
doaj   +1 more source

Implementation of Phase Transitions in Rb3H(SO4)2 under K Substitution

open access: yesCrystals, 2023
A series of solid acid compounds, representing the large family MmHn(AO4)(m + n)/2·yH2O (where M = K, Rb, Cs, NH4; AO4 = SO4, SeO4, HPO4, HAsO4), is characterized by high values of own proton conductivity, which arises as a result of a phase transition ...
Ivan S. Timakov   +3 more
doaj   +1 more source

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