نتایج جستجو برای: carbothermal
تعداد نتایج: 304 فیلتر نتایج به سال:
Gasification and Migration of Phosphorus from High-phosphorus Iron Ore during Carbothermal Reduction
Phosphorus-containing converter slag is a common waste in the iron and steel industry, has characteristics of high generation low secondary-utilization values; however, high-phosphorus content limits its ability to be recycled during steelmaking process. In this study, dephosphorization behavior by carbothermal reduction was studied through experiments thermodynamic calculations. The results sh...
Mullite and alumina are common in high-temperature applications because of their low thermal expansion coefficient and good thermal shock resistance. Evolution of SiC in the matrix and using it as reinforcing phase can improve thermo-mechanical properties of these materials. Also, in-situ formation of the reinforcing phases by using inorganic materials is an economical process. In this work, cr...
The aim of this research was to study synthesize gamma aluminum oxynitride powder with cubic spinel structure. In order to carry out this process, carbothermal reduction and nitridation of α-alumina as starting powder was used. This process was carried out in two steps, that in the first step at 1550˚C, a portion of α-alumina was reacted with carbon and aluminum nitride (AlN) was formed, then i...
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