Rietveld Quantitative Phase Analysis of Oil Well Cement: in Situ Hydration Study at 150 Bars and 150 °C [PDF]
, 2019 Oil and gas well cements are multimineral materials that hydrate under high pressure and temperature. Their overall reactivity at early ages is studied by a number of techniques including through the use of the consistometer.
Cuesta-Garcia, Ana Maria +5 more
core +6 more sources
A carbamazepine-indomethacin (1:1) cocrystal produced by milling [PDF]
, 2011 An X-ray amorphous mixture of carbamazepine and indomethacin transforms upon annealing to produce a novel 1:1 cocrystal, whose structure has been determined from laboratory powder X-ray diffraction (PXRD ...
Buckton, Graham +6 more
core +1 more source
Fe-based amorphous powder cores with low core loss and improvement of permeability
AIP AdvancesFe-based amorphous powder cores of Fe–Si–B–Cr–C magnetic powder and phenolic binder were fabricated, and the effects of annealing and compaction pressure on the soft magnetic properties and core loss were investigated. The formation of Fe–B and α-Fe (Si)
Mai Phuong Nguyen +4 more
semanticscholar +1 more source
Influence of Milling Time on Amorphization of Mg-Zn-Ca Powders Synthesized by Mechanical Alloying Technique [PDF]
Archives of Metallurgy and Materials, 2018 Mg60Zn35Ca5 amorphous powder alloys were synthesized by mechanical alloying (MA) technique. The results of the influence of high-energy ball-milling time on amorphization of the Mg60Zn35Ca5 elemental blend (intended for biomedical application) were ...
S. Lesz +3 more
doaj +1 more source
Reactivity of aluminum sulfate and silica in molten alkalimetal sulfates in order to prepare mullite [PDF]
, 2004 With the aim of preparing mullite, reactions between aluminum sulfate and silica in appropriate proportions and molten sulfate media M2SO4 (M=Na and/or K) were performed at different temperatures.
Durand, Bernard +5 more
core +2 more sources
Progress and prospects of Mg-based amorphous alloys in azo dye wastewater treatment
Journal of Magnesium and AlloysMg-based amorphous alloys exhibit efficient catalytic performance and excellent biocompatibility with a promising application probability, specifically in the field of azo dye wastewater degradation.
Yanan Chen +7 more
doaj +1 more source
Hydroxyapatite coating on titanium by a low energy plasma spraying mini-gun [PDF]
, 2012 Plasma-sprayed hydroxyapatite (HA) coatings are used on metallic implants to improve osseointegration and bone growth. The purpose of this work was to determine the microstructure and composition of HA coatings obtained with a newly developed low energy ...
Barykin, George +9 more
core +2 more sources
Journal of Materials Research and TechnologyIn this study, toroidal soft magnetic composites (SMCs) with the same specifications, positively engraved (FeSiBC–F) and side-engraved (FeSiBC–S) were prepared by pressing FeSiBC amorphous flake powder into a block, and then engraving from the front part
Zhengqu Zhu +3 more
doaj +1 more source
PHYSICAL AND CHEMICAL PROPERTIES OF THE AMORPHOUS NANOPOWDER GD2O3 [PDF]
Физико-химические аспекты изучения кластеров, наноструктур и наноматериалов, 2012 By means of pulsed electron beam evaporation in vacuum Gd2O3 amorphous nanopowder was produced with a specific surface area 155 m^2/g. The powder consisted of agglomerates of size from tens up to several hundred nm and aggregates formed of amorphous ...
V.G.Il`ves +3 more
doaj
The composition design and properties investigation of Al-based amorphous powder
International Journal of Lightweight Materials and Manufacture, 2020 By adding different amounts of rare earth element Y and Gd in Al86Ni8Co1La5, aluminum amorphous ribbon samples were prepared using single roller melt-spinning under 2 different roller speeds. Then X-ray diffraction (XRD), transmission electron microscope
Lei Jin +5 more
doaj +1 more source