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Optimization of Li-Zn ferrite synthesis parameters using the experimental design method

2+ ions. Using sintering aid and decreasing particle size are easy and economical methods to decrease the sintering temperature and at the same time improve electrical properties of ferrites. In this research, the influence of sintering temperature, sintering aids B2O3 and nano SiO 2, milling time and the rotation speed of the mill on the density, dielectric constant and dielectric loss of Li-Zn ferrite were investigated. Response surface method (RSM) was used to experimental design of the production process and the statistical analysis of the process parameters effects. The RSM results were then used as objective functions of optimization method to find the process parameters for the global optimization of the response parameters. The results show that the sintering temperature significantly affects the density, and B 2O3 have a considerable effect on the desired properties of Li-Zn ferrite, while other parameters have no such effect.