A. Mohammadzadeh - Department of Materials Engineering, Sahand University of Technology, P.O. Box ۵۱۳۳۵-۱۹۹۶, Tabriz, Iran
M. Azadbeh
A. Sabahi Namin
A. Behvar

An experimental investigation using response surface methodology (RSM) based on a central composite rotational design (CCRD) with three parameters, was used to model and evaluate the supersolidus liquid phase sintering (SLPS) procedure of the brass alloyed powder. To achieve a high densification, the effect of sintering variables such as sintering temperature and time has to be characterized and optimized. Mathematical models were developed to predict sintered density, porosity, and impact energy at 95% confidence level. The developed mathematical models would help to predict the variation of densificationat the various mentioned sintering conditions. To better analyzing the microstructure and pore evaluation was carried out from metallographic cross-section of samples to evaluate sintering variables during supersolidus liquid phase sintering.

Densification, central composite rotational design, supersolidus liquid phase sintering