Volume 16, Issue 4 (December 2019)                   IJMSE 2019, 16(4): 43-52 | Back to browse issues page


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Abbasian A R, Rahimipour M R, Hamnabard Z. Sintering Behavior of Lithium Meta Titanate Nanocrystallites. IJMSE. 2019; 16 (4) :43-52
URL: http://ijmse.iust.ac.ir/article-1-1208-en.html
Abstract:   (2948 Views)
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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Type of Study: Research paper | Subject: Ceramics

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