Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Ahmad Ghaderi Hamidi"'
Publikováno v:
Journal of Renewable Energy and Environment, Vol 6, Iss 4, Pp 27-34 (2019)
The effect of Al2O3 (1-10 wt %) and Y2O3 (1-10 wt %) additions on thermochemical heat storage properties of Co3O4/CoO system was investigated by thermogravimetry, XRD, and SEM analyses. Results showed that the addition of Al2O3 to Co3O4 at constant 8
Externí odkaz:
https://doaj.org/article/b05a493a7ad54936bec1c0e3b057933c
Publikováno v:
Journal of Particle Science and Technology, Vol 4, Iss 1, Pp 13-22 (2018)
Effects of Fe2O3 addition (2-20 wt%) with 1 h mechanical activation on redox reactions of Co3O4 were studied by TG/DSC, SEM, and XRD analyses. The results showed that a Fe2O3 addition from 2 to 15 wt% increases the oxygen release from 1.4 to 3.4 wt%
Externí odkaz:
https://doaj.org/article/67d79f1d559f4a208a74e795138ef3c3
Autor:
Saeed Vakilpour, Ahmad Ghaderi Hamidi
Publikováno v:
Journal of Particle Science and Technology, Vol 2, Iss 2, Pp 79-85 (2016)
In this research, a mineral barite powder was reduced by carbon monoxide gas and the effects of reduction time and temperature was investigated as well as barite particle size. Results showed that the best result would be feasible when the barite par
Externí odkaz:
https://doaj.org/article/9eca1f8b5cd94763b2635437c9562a0f
Publikováno v:
International Journal of Refractory Metals and Hard Materials. 80:204-209
A nano-crystalline Tungsten heavy alloy powder was obtained by mechanical alloying of elemental powders in a jar mill with a high ball to powder ratio. The chemical composition of the primary powder was 93 W-4.9Ni-2.1Fe (wt%). The mechanically alloye
Publikováno v:
Materials Chemistry and Physics. 281:125875
Publikováno v:
Waste Management. 74:297-301
Boiler residue (BR) of thermal power plants is one of the important secondary sources for vanadium production. In this research, the aluminothermic self-propagating high-temperature synthesis (SHS) was used for recovering the transition metals of BR
Publikováno v:
Advanced Powder Technology. 29:333-340
The heat produced by a solar receiver during on-sun operation can be employed to drive the endothermic reduction reaction of Co3O4 to CoO; then the consumed thermal energy can be recovered completely by the exothermic reverse oxidation reaction of Co
Publikováno v:
International Journal of Refractory Metals and Hard Materials. 101:105685
Molten copper infiltration through tungsten skeleton produces W Cu composites with versatile applications. In this research, the compressibility and sintering of three W powders with different particle sizes (fine: 1.2 μm, medium: 6 μm, coarse: 8.5
Autor:
Ahmad Ghaderi Hamidi
Publikováno v:
International Journal of Refractory Metals and Hard Materials. 66:21-25
Sintering behavior of two tungsten powders (1.2 μm and 6 μm) was studied for preparing infiltrable porous skeleton. Both powders were compressed by mechanical press (MP) and cold isostatic press (CIP) with and without stearic acid respectively as c