'ES Newman, “A Study of the System MagnesiumOxide-Magnesium Chloride- Water and the Heat of Formation of Magnesium Oxychloride,” J. ... CARMEN MAURANI,H Bilinski,BORIS MATKOVI - 《Journal of the American Ceramic Society》 被引量: 60发表: 2010年 Effect of magnesium chloride concentrations ...
Oxide-Phase Simulated Thermodynamics and Calculation of Thermochemical Properties of Compounds Auxiliary to Y Ba Cu O High T c Superconductors* Evaluation methods for the estimation of standard enthalpy and entropy of formation, the temperature dependence of heat capacity and the temperature and he......
(such as those ofsulfur, carbon,aluminum, and phosphorus) or basic (such as those ofcalcium,magnesium, and iron) and as saltlike compounds that may be regarded as formed from the acidic and basic oxides, as sulfates, carbonates, silicates, aluminates, and phosphates. Plentiful as they are,...
A chemical heat pump using the reaction system of magnesium oxide/water was studied as a thermal storage system by kinetic analysis. This heat pump has bee... Y Kato,N Yamashita,Y Yoshizawa - 《Kagaku Kōgaku Ronbunshū》 被引量: 17发表: 1993年 Exergy analysis of a system using ...
The formation of oxide films on two production grade Al-Mg alloys (0.8wt% and 2.5 wt% Mg) during heat treatment after cold rolling, in the range 350鈥 600掳C, in either dry or moist flowing air has been studied. Quantitative Auger electron spectroscopy, in conjunction with argon ion ...
More specifically, the heat of reaction refers to the enthalpy that is released when the two unstable layers mix and form stable compounds. The example noted earlier involves the formation of a stable compound Ax B1-x from the two elements, A and B. The enthalpy released in moving from a ...
This inhibition of austenite grain growth reduces the size of grain boundary ferrite (GBF) and ferrite side plate (FSP). Secondly, during the cooling phase of the welding process, the inclusions facilitate the formation of acicular ferrite (AF) during the austenite-to-ferrite transformation. In ...
Kinetic Study of the Hydration of Magnesium Oxide for a Chemical Heat Pump A kinetic study of the hydration of magnesium oxide was performed to test the possibility of developing a magnesium oxide/water chemical heat pump. The hyd... Y Kato,N Yamashita,K Kobayashi,... - 《Appl.therm.eng...
Fig. 31. Change in the weld profile of aluminum alloy 5456 with pulsed laser: (a) Average power; (b) Pulse frequency; (c) Pulse duration [59]. As shown in the Fig. 32, the initial crack formation direction is related to the change of solidification conditions in magnesium alloy pulsed...
[66] performed the kinetic study of the hydration of magnesium oxide. The MgO/Mg(OH)2 chemical reaction heat storage system is based on the following equation: (25)Mg(OH)2(s)⇔MgO(s)+H2O(g) Fig. 9 shows the working principle of the chemical reaction heat storage system using MgO/...