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Effect of manufacturing methods on the decay of ceramic materials: A case study of bricks in modern architecture of Madrid (Spain)

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Pérez-Monserrat, Elena Mercedes and Agua Martínez, Fernando and Fort González, Rafael and Álvarez de Buergo, Mónica and Conde Moreno, Juan Félix and García Heras, Manuel (2017) Effect of manufacturing methods on the decay of ceramic materials: A case study of bricks in modern architecture of Madrid (Spain). Aplied clay science (135). pp. 136-149. ISSN 0169-1317

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Official URL: https://www.journals.elsevier.com/applied-clay-science/



Abstract

The appearance and main decay forms in the fair-faced brick façades on the University Campus of Madrid's Faculty of Medicine were taken as a starting point to analyse certain building's construction characteristics and the clay and technology used in brick manufacture. The raw materials consisted in a mix of Miocene marl and red Triassic clays from the Spanish province of Jaén. The exposed face of bricks was characterised by a yellowish tone and smooth, uniform texture that afforded perfect dimensioning and inter-brick alignment. In some bricks this texture was lost, with a concomitant colour change, surface roughness increase and loss of material. Laboratory studies through polarised optical microscope (POM), X-ray diffraction (XRD) and field emission scanning electron microscopy with energy dispersive X-ray spectroscopy (FESEM-EDS) revealed similar composition in all the bricks, firing temperatures ranging between 800 and 850 °C and, with the exception of the exposed surface, not particularly careful manufacture.


Item Type:Article
Uncontrolled Keywords:Clays; Bricks; Built heritage; Decay; Non-destructive; techniques (NDT)
Subjects:Sciences > Geology > Petrology
ID Code:47975
Deposited On:07 Jun 2018 11:46
Last Modified:01 Jan 2019 00:01

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