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In production of PM parts, sintering has a crucial impact on the final properties of the components. In this work, investigation of the sintering procedure was done to characterize the physical and chemical processes occurring during this production stage and also to predict the physical and mechanical properties of the sintered products. Different PM steel grades were used in this research. Physical, chemical, mechanical and functional properties were studied, and the formation of sintering necks was characterized by quantitative fractography. The obtained results has been written within 4...

The aim of the current study was to evaluate the effect of employing poetry reading task on improving Iranian EFL intermediate learners' critical reading skills. The study was conducted with 60 female students learning English at Kish Mehr institute in Qazvin (Iran). The students who were all at the intermediate level were divided into two groups: haiku poetry reading group and traditional reading group. Haiku was chosen because it is a kind of visual poetry which depicts attitudes, feelings and aspects of everyday life through breathtakingly beautiful and enigmatic images. On the other hand,...