Abstract

This paper deals with the application D-optimal mixture design (DMD) integrating response surface methodology (RSM) to discuss variation of mechanical characteristics depending on injection molding during production of short glass fiber (SGF) and polytetrafluoroethylene (PTFE) reinforced polycarbonate (PC) composites. Planning of experiments was based on a D-optimal mixture design (DMD). By applying RSM analysis, a mathematical predictive model of the tensile strength and flexural strength properties was developed in terms of the mixture ratio of PC, SGF, and PTFE. In addition, analysis of variance (ANOVA) and response surface graphs were applied to identify the effect of mixture ratio of SGF and PTFE reinforced PC composites for the tensile strength and flexural strength.

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