Fundamental aspects of the moisture expansion: review Part II: Kinetic of expansion and its determination

Moisture expansion (ME) of ceramic materials has been studied since the last century. However, a large part of the acquired knowledge is very dispersed in the world literature. This work has as aim to continue the review about the fundamental aspects of the moisture expansion, exposing the most rele...

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Published inCerâmica (São Paulo) Vol. 52; no. 322; pp. 114 - 124
Main Authors Menezes, R R, Campos, L F, De Neves, G A, Ferreira, H C
Format Magazine Article
LanguagePortuguese
Published 01.04.2006
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Summary:Moisture expansion (ME) of ceramic materials has been studied since the last century. However, a large part of the acquired knowledge is very dispersed in the world literature. This work has as aim to continue the review about the fundamental aspects of the moisture expansion, exposing the most relevant results on the kinetics of the phenomenon and particularities of its determination. The review comprises the description of the expansion process characteristics, and the detailed evolution of the mathematical models used to describe the kinetics of the ME. Moreover, it presents a systematic approach for the determination of the ME activation energy. The review also includes the methodologies used in the determination of the ME of ceramic materials, pointing out its characteristics, peculiarities, and the controversial issues about it.
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ISSN:0366-6913