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Iranian Journal of Materials Science and Engineering، جلد ۱۲، شماره ۳، صفحات ۵۶-۶۵
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عنوان انگلیسی MICROSTRUCTURAL STUDIES OF Ti-REFINED Al2014 ALLOY PREPARED BY SIMA PROCESS
چکیده انگلیسی مقاله In this study, Al2014 alloy refined with Al-5%Ti-1%B master alloy was prepared by strain-induced melt activated (SIMA) process. The main variables of the SIMA process were cold working, holding time and temperature in semi-solid state. Cold working was applied on specimens by upsetting technique to achieve 10%, 20% and 30% height reduction. Cold worked specimens were heat treated in semi-solid state at 585 °C, 595 °C, 605 °C, 615 °C, 625 °C and 635 °C and were kept in these temperatures for different times (20 and 30 min). Observations through optical and scanning electron microscopy were used to study the microstructural evaluation. The results revealed that fine and globular microstructures are obtained by applying 30 % height reduction percentage and heat treating in 625 °C for 30 min. Comparison between refined and unrefined Al2014 alloy after applying SIMA process showed that Al-5%Ti-1%B master alloy has no significant effect on average globule size but makes the final structure more globular.
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نویسندگان مقاله m عمویی | m. amuei
school of metallurgy and materials engineering, college of engineering, university of tehran, tehran, iran.

سازمان اصلی تایید شده: دانشگاه تهران (Tehran university)

m امامی | m. emamy
school of metallurgy and materials engineering, college of engineering, university of tehran, tehran, iran.

سازمان اصلی تایید شده: دانشگاه تهران (Tehran university)

r خورشیدی | r. khorshidi
school of metallurgy and materials engineering, college of engineering, university of tehran, tehran, iran.

سازمان اصلی تایید شده: دانشگاه تهران (Tehran university)

a اکرمی | a. akrami
school of metallurgy and materials engineering, college of engineering, university of tehran, tehran, iran.

سازمان اصلی تایید شده: دانشگاه تهران (Tehran university)

نشانی اینترنتی http://ijmse.iust.ac.ir/browse.php?a_code=A-10-127-95&slc_lang=en&sid=en
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کد مقاله (doi)
زبان مقاله منتشر شده en
موضوعات مقاله منتشر شده گروه مکانیکی و شکل دادن
نوع مقاله منتشر شده Research paper
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