Influence of macroscopic residual stresses on the mechanical behavior and microstructure of porcelain tile
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Other documents of the author: De Noni, Agenor; Hotza, Dachamir; Cantavella Soler, Vicente; Sánchez-Vilches, Enrique
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Show full item recordcomunitat-uji-handle:10234/9
comunitat-uji-handle2:10234/7033
comunitat-uji-handle3:10234/8618
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http://dx.doi.org/10.1016/j.jeurceramsoc.2008.03.003 |
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Title
Influence of macroscopic residual stresses on the mechanical behavior and microstructure of porcelain tileDate
2008-09Publisher
ElsevierISSN
0955-2219Bibliographic citation
Journal of the European Ceramic Society, 28, 13, p. 2463–2469Type
info:eu-repo/semantics/articlePublisher version
http://www.sciencedirect.com/science/article/pii/S0955221908001246#Subject
Abstract
The development of macroscopic residual stress, as in glass-tempering processes, was studied for porcelain tile. Mechanical strength was observed to increase less than might be theoretically expected, owing to deter ... [+]
The development of macroscopic residual stress, as in glass-tempering processes, was studied for porcelain tile. Mechanical strength was observed to increase less than might be theoretically expected, owing to deterioration of the sintered tile microstructure. A model has been developed, using linear elastic fracture mechanics, to estimate the natural flaw size in the tempered material. The study shows that as the cooling rate raises, the macroscopic residual stress and flaw size increase. This microstructural deterioration is mainly attributed to the allotropic transformation of quartz in the presence of thermal tensile stress at the porcelain tile surface. [-]
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