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Iranian Journal of Materials Science and Engineering، جلد ۵، شماره ۴، صفحات ۱۶-۲۴
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عنوان انگلیسی SOLIDIFICATION MODELING AND DENDRITE STRUCTURE ANALYSIS IN A HORIZONTAL CONTINUOUSLY CAST BRASS BILLET
چکیده انگلیسی مقاله Abstract: The horizontal continuous casting process has received a significant attention for near net shape casting of non ferrous metals and alloys. Numerical Simulation has been widely used for process design and optimization of continuous casting process. In the present study, a 3-dimensional heat flow model was developed to simulate the heat transfer and solidification in a horizontal billet continuous casting system in which the air gap formation and its effect on heat extraction rate from solidifying billet was also considered. In order to test the developed model, it was run to simulate the heat transfer and solidification for an industrial billet caster. The predicted temperature distribution within the mold and billet was compared with those measured on the industrial caster in which a good agreement was obtained. Finally, parametric studies were carried out by validated model to evaluate the effects of different parameters on solidification profile and temperature distribution within the model brass billet. The microstructure of cast billet was analyzed to determine the secondary dendrite arm spacing (SDAS) under different cooling conditions. Based on measured SDAS and predicted solidification rate a correlation between SDAS and cooling rate was proposed for continuously cast brass billet.
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نویسندگان مقاله s کیانفر | s kianfar


s h سیدین | s h seyedein
department of metallurgy and materials engineering, iran university of science and technology, tehran, iran

سازمان اصلی تایید شده: دانشگاه علم و صنعت ایران (Iran university of science and technology)

محمد رضا ابوطالبی | m r aboutalebi
center of excellence for, advanced materials and processing ceamp
نشانی اینترنتی http://ijmse.iust.ac.ir/browse.php?a_code=A-10-3-38&slc_lang=en&sid=en
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زبان مقاله منتشر شده en
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نوع مقاله منتشر شده Research paper
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