Early stages of glass alteration in the coastal atmosphere

Teresa Palomar, Daniel de la Fuente, Manuel Morcillo, Mónica Alvarez de Buergo, Marcia Vilarigues

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

Urban and industrial atmospheres can produce several damages on glass façades and historical stained-glass windows; however, the effect of coastal atmosphere on them has been scarcely studied. This work presents the results of the exposure of soda-lime, potash-lime, and mixed-alkali silicate glass to the coastal atmosphere in Cape Vilán (Galicia, Spain) at different distances to the coast (inland) during twelve months. Crystalline deposits were observed on all the samples, although their quantity depended on the meteorological conditions. The samples located nearest to the coast presented alteration layers, while those ones located farthest from the shore presented several isolated pits. Regarding the chemical composition, potash-lime silicate glass, typical composition from medieval glass windows, was the most altered glass in contrast to soda-lime and mixed-alkali silicate glasses.

Original languageEnglish
Pages (from-to)305-313
Number of pages9
JournalBuilding and Environment
Volume147
DOIs
StatePublished - Jan 2019

Bibliographical note

Funding Information:
The authors thank Dr. R. Wiley (FCT-UNL, Portugal) for preparing the glass roundel, Dr. L. Cerqueira (C2TN-IST/UL, Portugal) for analyzing the glass composition, Dr. M. Silva (FCT-UNL, Portugal) for his help with the interpretation of FTIR, M.C. Vázquez and B. Gallardo (IGEO, CSIC-UCM, Spain) for analyzing the angle contact of the glasses, ENEL and Gas Natural for the facilities provided at Cape Vilán wind farm for the setting up of corrosion stations, and AEMET OpenData for the meteorological information. This work has been partially funded by the Fundação do Ministério de Ciência e Tecnologia de Portugal (Project ref. UID/EAT/00729/2013 and Post-doctoral grant ref. SFRH/BPD/108403/2015 ) and the Community of Madrid (Research program GEOMATERIALES 2-CM Program Ref. S2013/MIT-2914 ).

Publisher Copyright:
© 2018 Elsevier Ltd

Keywords

  • Atlantic coast
  • Degradation
  • Glass
  • Marine aerosol

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