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Iranian Journal of Materials Science and Engineering، جلد ۱۶، شماره ۴، صفحات ۰-۰
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عنوان انگلیسی Sintering Behavior of Lithium Meta Titanate Nanocrystallites
چکیده انگلیسی مقاله In this work, lithium meta titanate (Li2TiO3) nanocrystallites were synthesized by hydrothermal method and subsequent heat treatment. The shrinkage of the powder compact was measured under constant heating rate in order to study the sintering behavior of the synthesized powders. Densification curves of the synthesized powders were also constructed via the dilatometry analysis and evaluated at several heating rates. Two separate methods of analytical procedure and master curve sintering were employed to determine the activation energy of the initial sintering stage. The activation energy values were estimated based on these two distinct methods as 229±14 and 230 kJ/mol respectively, consistenting with each other. Moreover, surface diffusion was determined as the dominant mechanism of densification on initial sintering of Li2TiO3 nanocrystallites.
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نویسندگان مقاله | A. R. Abbasian
Department of Materials Engineering, Faculty of Engineering, University of Sistan and Baluchestan, Zahedan, Iran


| M. R. Rahimipour
Ceramic Department, Materials and Energy Research Center, Karaj, 31787-316, Iran


| Z. Hamnabard
Lasers and Optics Research School, NSTRI, Tehran, 11365-8486, Iran
نشانی اینترنتی http://ijmse.iust.ac.ir/browse.php?a_code=A-10-1869-1&slc_lang=en&sid=1
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زبان مقاله منتشر شده en
موضوعات مقاله منتشر شده گروه سرامیک
نوع مقاله منتشر شده Research paper
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