(Ti,W)C–Ni cermet prepared by high-energy ball milling

(Ti,W)C–Ni cermet prepared by high-energy ball milling

01.06.2014· A single-phase (Ti,W)C solid solution was prepared by high-energy ball milling of TiO 2 –Ti–WO 3 –C powder mixtures with various TiO 2 /Ti ratios and subsequent carbothermal reduction. Thermodynamic calculations suggest that the reaction pathways would follow the sequences WO 3 →WC, TiO 2 →Ti 2 O 3 , Ti(CO)→TiC, Ti 2 O 3 →TiC, and TiC+WC→(Ti,W)C.Fe- and Eu-doped TiO Photocatalytical Materials Prepared,,ORIGINAL PAPER Fe- and Eu-doped TiO 2 Photocatalytical Materials Prepared by High Energy Ball Milling Florin Vasiliu Æ L. Diamandescu Æ D. Macovei Æ C. M. Teodorescu Æ D. Tarabasanu-Mihaila ÆFe- and Eu-doped TiO 2 Photocatalytical Materials,07.04.2009· The Fe- and Eu-doped TiO 2 particles prepared by high-energy ball milling should have increased photocatalytic activities due to the absorption wavelength shift toward red and absorbance increase, leading to enhanced formation rate of electron-hole pairs on the photocatalyst surface. Photocatalytic Activity MeasurementsPhotoelectrochemical properties of nanocomposites MoS2,,In this paper, we report fabrication and photoelectrochemical properties of nanocomposites MoS<inf>2</inf> -TiO<inf>2</inf> prepared by high energy ball milling. Scanning electron microscope with energy dispersive x-ray spectroscopy (SEM-EDX) has been applied for analyzing morphology and elements distribution of the nanocomposites. The two immiscible solids (1&#x2236;1 MoS<inf>2</inf>/TiO…Submicron sized Al2TiO5 powders prepared by high,Experimental procedureThe β-Al 2 TiO 5 starting powder was obtained by reaction of high-purity commercial powders of alumina (>99.9 wt%) and titania (>99.5 wt%) following the method described elsewhere [23].The high-energy milling has been performed in a planetary ball-mill allowing independent control of rotation speed of the disk ( ) and the vial holders (ω) [26]. The radius of thePhotocatalytic antibacterial properties of copper doped,,01.07.2020· The TiO 2 nano-powders with different copper-dopant concentrations were prepared by high-energy ball milling. As a result, copper doping widens the TiO 2 optical response range, restrains the crystallite growth, promotes the transformation of theNanocrystalline Oxide Ceramics Prepared by High-Energy,,We prepared various nanocrystalline ceramics by high-energy ball milling. The investigated systems are the oxide ceramics Li 2 O, LiNbO 3, LiBO 2, B 2 O 3, TiO 2 as monophase materials and the composite material Li 2 O : B 2 O 3. The average grain size was adjusted by variation of the milling time. It was determined via line broadening of X-ray diffraction patterns (XRD) and directly withNanocrystalline Oxide Ceramics Prepared by High-Energy,,We prepared various nanocrystalline ceramics by high-energy ball milling. The investigated systems are the oxide ceramics Li 2 O, LiNbO 3 , LiBO 2 , B 2 O 3 , TiO 2 asSynthesis, structure and sinterability of 6061 AA100−x–x,,18.02.2010· The composites of the second series contained 0, 2, 4, 6, 8, 10, and 12 wt.% of TiO 2 particles, were completely embedded in the soft alloy matrix using high-energy ball milling. The high-energy ball milling experiments were carried out in a two-station planetary ball mill (Insmart systems, Hyderabad, India). The milling was performed under high pure wet agent to avoid the formation ofBoron and zirconium co-doped TiO 2 powders prepared,,01.07.2013· Thus, mechanical ball milling could be an effective method for producing metal and/or nonmetal doped photocatalyst TiO 2. Although there are a few publications , on the preparation of co-doped photocatalyst TiO 2 with dopants boron and zirconium (through different production routes, including mechanical ball milling), boron and zirconium co-doping on TiO 2 particles by mechanical ball milling

Submicron sized Al2TiO5 powders prepared by high

Submicron sized Al2TiO5 powders prepared by high

Further milling induces an amorphisation of the powders which is accompanied by extensive contamination of iron from the balls and the formation of hard agglomerates.Figure 11XRD patterns of Al 2 TiO 5 powders obtained after high-energy milling ( = 500 rpm, ω = 250 rpm) for: (a) 0 h; (b) 4 h; (c) 8 h; (d) 40 h. Figure 22Low magnification SEM micrographs (ln Lens image) of Al 2 TiO 5 powders,Photoelectrochemical properties of nanocomposites,Abstract: In this paper, we report fabrication and photoelectrochemical properties of nanocomposites MoS 2-TiO 2 prepared by high energy ball milling. Scanning electron microscope with energy dispersive x-ray spectroscopy (SEM-EDX) has been applied for analyzing morphology andFe- and Eu-doped TiO 2 Photocatalytical Materials,TiO2 nanopowders, doped with Fe3+ and Eu3+were obtained by high-energy ball milling and their physical properties were investigated as a function of the doping content and ball milling time. A...Fe- and Eu-Doped $TiO_2$ Photocatalytical Materials,,To determine resource utilization in controller naïve children diagnosed with asthma receiving initial therapy with fluticasone propionate (FP) and salmeterol (SAL) in a single inhaler (FSC), FP alone, montelukast (MON), inhaled corticosteroid (ICS) + SAL from separate inhalers, or ICS + MON.A retrospective, observational, 18-month (6-month pre-index and 12-month follow-up) database study,Nanocrystalline Oxide Ceramics Prepared by High,We prepared various nanocrystalline ceramics by high-energy ball milling. The investigated systems are the oxide ceramics Li 2 O, LiNbO 3, LiBO 2, B 2 O 3, TiO 2 as monophase materials and the composite material Li 2 O : B 2 O 3. The average grain size was adjusted by variation of the milling time. It was determined via line broadening of X-ray,Characterization and high pollutant removal ability of,,Buoyant carbon and nitrogen co-doped TiO 2 /polytetrafluoroethylene (NCT/PTFE) flakes which meet these requirements were prepared by the high-energy ball-milling of NCT powder and PTFE. The physicochemical properties of the as-prepared composite flakes were evaluated by X-ray diffraction (XRD), scanning electron microscopy (SEM), ultraviolet,High energy ball milling process for nanomaterial synthesis,In our research, we use the high-energy ball milling technique to synthesize various nanometer powders with an average particle size down to several nm, including nano-sized a-Fe 2 O 3 based solid solutions mixed with varied mole percentages of SnO 2, ZrO 2 and TiO 2 separately for ethanol gas sensing application, stabilized ZrO 2 based and TiO 2 based solid solutions mixed with different mole,Synthesis and microstructure of Ca-doped BaTiO3,15.11.2009· High-energy ball-milling was used for processing the powder. The microstructure of Ba 1− x Ca x TiO 3 ceramics was investigated by SEM techniques. The microstructure of Ba 1− x Ca x TiO 3 ceramics shows dense and uniform micrograph in all samples and the grain size is large. In this study the quantitative analysis of the ceramographs is,Hydroxyapatite iron oxide nanocomposite prepared by high,,sized by high-energy ball milling a mixture consisting of iron oxide nanoparticles and the starting materi-als used for the HAp synthesis: calcium hydrogen phosphate anhydrous (CaHPO 4), and calcium hydroxide (Ca(OH) 2). Two HAp/iron oxide samples with the magnetic phase content of 12 and 30wt.% were prepared and their microstructure, morphology and magnetic properties were analysed by X-ray,Synthesis, structure and sinterability of 6061 AA100−x–x,,Manufacturing of 6061 Al alloy reinforced with different weight percentages of TiO 2 metal matrix composite powder through low-energy and high-energy ball milling for microcomposites and nanocomposites respectively followed by cold uniaxial compaction and sintering was investigated. The milled powder was characterized by X-ray diffraction, scanning electron microscopy, high-resolution,

Photoelectrochemical properties of nanocomposites

Photoelectrochemical properties of nanocomposites

Abstract: In this paper, we report fabrication and photoelectrochemical properties of nanocomposites MoS 2-TiO 2 prepared by high energy ball milling. Scanning electron microscope with energy dispersive x-ray spectroscopy (SEM-EDX) has been applied for analyzing morphology andFe- and Eu-doped TiO 2 Photocatalytical Materials,TiO2 nanopowders, doped with Fe3+ and Eu3+were obtained by high-energy ball milling and their physical properties were investigated as a function of the doping content and ball milling time. A...(Ti,W)C–Ni cermet prepared by high-energy ball milling,Abstract A single-phase (Ti,W)C solid solution was prepared by high-energy ball milling of TiO 2 –Ti–WO 3 –C powder mixtures with various TiO 2 /Ti ratios and subsequent carbothermal reduction. Thermodynamic calculations suggest that the reaction pathways would follow the sequences WO 3 →WC, TiO 2 →Ti 2 O 3 , Ti(CO)→TiC, Ti 2 O 3 →TiC, and TiC+WC→(Ti,W)C.Synthesis of iron-doped TiO nanoparticles by ball-milling,,Iron-doped TiO 2 nanoparticles were prepared by ball milling of TiO 2 powders (nanometer size) in a high-energy Planetary Ball Mill PM 400/2 (RETSCH, Germany) in the presence of fine Fe powder. Milling was done at room temperature in a polytetra-fluoroethylene (PTFE) vial (volume about 35 cm3) using ten hardened steel balls with 10 mm of diameter, keeping powder sample to ball mass ratio at,Mechano-synthesized orange TiO 2 shows significant,,19.10.2018· A commercially available planetary ball milling apparatus (Premium line P-7, Fritsch Japan Co., Ltd.) was employed for high-energy ball milling and previously used for preparations of TiO 2,High energy ball milling process for nanomaterial synthesis,In our research, we use the high-energy ball milling technique to synthesize various nanometer powders with an average particle size down to several nm, including nano-sized a-Fe 2 O 3 based solid solutions mixed with varied mole percentages of SnO 2, ZrO 2 and TiO 2 separately for ethanol gas sensing application, stabilized ZrO 2 based and TiO 2 based solid solutions mixed with different mole,Anatase TiO 2 nanocrystals prepared by mechanochemical,,Anatase TiO 2 has been prepared by mechanochemical synthesis using TiOSO 4 ·xH 2 O and Na 2 CO 3 as starting reactants. The reaction was performed in high-energy ball mill using steel and corundum jars, respectively. The final products were obtained by annealing the milled powder in the temperature range of 300 700 °C and subsequently by washing out the water-soluble byproduct Na<SUB>2</SUB,TiO 2 nanoparticles modified polydimethylsiloxane with,,22.06.2012· High energy ball milling and polyether-modified silicone dispersant were used to suppress the agglomeration and ensure a stable dispersion. Properties of the nanocomposites, i.e. elastic modulus, response time, dielectric constant and optical transmittance, were tuned by modifying the particle concentration. Optimized electro-mechanical properties were observed at 5 wt% TiO(N,F)-Co-doped TiO 2 : synthesis, anatase–rutile,,Nitrogen and fluorine co-doped Ti-oxide, TiO 1.9 N 0.05 F 0.15 (TiO 2 (N,F)), with the anatase structure is prepared by the pyro-ammonolysis of TiF 3.For the first time it is shown that TiO 2 (N,F) and anatase-TiO 2 are converted to nanosize-rutile structure by high energy ball milling (HEB). The polymorphs are characterised by X-ray diffraction, Rietveld refinement, scanning electron,Induced by High-Energy Ball-Milling - MDPI,be prepared by mechanochemical methods if the milling process is followed by calcination at high temperature [17–19]. High-energy ball-milling was used in several works to produce nano-LN. Spex Mixer Mill 8000 is one of the most commonly used ball mills for this purpose. In general, dry grinding with one ball