... thứ IV transportation and vehicle components It has a much faster production rate in comparison to other methods and it is an economical and efficient method for producing components with low surface ... Shrinkage porosity: 1.6725 % By Program in Matlab we are known as the best combination in the 27 experimental configurations This result is similar with ANOVA, the best combination for this study: ... solidification of high pressure die cast aluminum telecommunications components Journal of Materials Processing Technology, 2006, Vol 180, p 37∼43 [4] G.O Verran, Influence of injection parameters on defects...