Abstract:The constant heating rate method employed in sintering studies offers several advantages over the isothermal method, particularly the fact that all the parameters that describe the sintering phenomena can be obtained from a single sample. The purpose of this work is to determine the parameters of sintering kinetics of nanosized Ni-Zn ferrite powders synthesized by combustion reaction. The nonisothermal sintering method was studied using a constant heating rate (CHR). The Ni-Zn ferrite powders, with average par… Show more
“…Such an increase has also been observed by various workers [15,16]. It is widely believed that the net decrease in free energy of solid-solid and solid-vapor interface provides the necessary driving force for particle growth during annealing process [17]. SAED of the annealed particle shown in the inset of Fig.…”
“…Such an increase has also been observed by various workers [15,16]. It is widely believed that the net decrease in free energy of solid-solid and solid-vapor interface provides the necessary driving force for particle growth during annealing process [17]. SAED of the annealed particle shown in the inset of Fig.…”
“…The micrographs for sample annealed at 1200 o C shows that the particle size increases with annealing temperature. It is widely believed that the net decrease in free energy of solid-solid and solid-vapour interface provides the necessary driving force for particle growth during annealing process [15].…”
Section: Transmission Electron Microscopementioning
“…4 O] were dissolved in de-ionized water. An aqueous NaOH was added dropwise to the solution until pH $ 13 was obtained.…”
Section: Methodsmentioning
confidence: 99%
“…This is mainly because they have some unique properties which are not shown by the bulk crystalline materials [3][4][5]. Cobalt zinc ferrite is one of the promising soft ferrites used in electronic devices such as transformer cores, electric motors and generators.…”
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