Towards new-concept magnesium-based hydroreactive metal fuel propulsion,finite rate calculations of magnesium combustion in steam atmospheres based on chemical reaction dynamics is to be investigated,and its underlying thermoacoustic oscillations is to be demonstrated.Especially in this study,considering the ...
weighed to 0.1mg; took it into a 150ml beaker; added 20ml 1mol/L sulfuric acid, heating in the steam bath for 1.5h; decant the supernatant, and filter it with sterile filter paper; then the residue should be washed with hot water 3 times in the beaker, and pass through the filter ...
The broadening of the second peak could also be due to Mg improving the dispersion and reducing the crystallite size of the Co-based oxide. 2.2. Spent Catalyst Characterisation To determine the effect of the CO-PrOx reaction environment on catalyst phase stability, the spent catalysts were ...
In addition, the hydroxyl groups bonded to the magnesium are converted in the reaction into water vapor, which dilutes the concentration of flammable organic volatiles and free radicals in the fire zone. The flame-retardant mechanisms of magnesium hydroxides are effective in prolonging the ignition ...
Hongqing Feng1, Biao Gao2, Kaifu Huo1,2 & Paul K. Chu1 Rapid corrosion of magnesium alloys is undesirable in structural and biomedical applications and a general way to control corrosion is to form a surface barrier layer isolating the bulk materials from the external environment. ...
In situ formation of layered double hydroxides (LDH) on metallic surfaces has recently been considered a promising approach for protective conversion surface treatments for Al and Mg alloys. In the case of Mg-based substrates, the formation of LDH on the
Hence, effective heat exchange and minimal heat loss are essential to obtain reaction heat from waste heat. Giap et al. [13] reported a novel reversible SOFC system coupled with an MH and waste steam, with an estimated system efficiency of 52.6 % under the assumption of heat insulation. ...
adhesion strength, and electrochemical properties of the preferred coatings were further analyzed and evaluated to optimize the treatment process. The results showed that temperature had the most significant impact on the quality of the LDH coating; a suitably high temperature, a longer reaction time,...
The effects of 4-nitrophenol concentration, buffer solution pH and scanning rate on the electrocatalytic activities, as well as the stability of PC-bic for the reaction were investigated. Keywords: hierarchically porous carbon; templating method; magnesium salts; electrocatalytic reduction; 4-...
The released oxygen forms a gas or rather a gas/steam shell close to the passive layer enveloping the substrate geometry. The interface between this gaseous shell and the bulk electrolyte is assumed to be an area of equal electrical potential following the topography of the anodically polarised me...