Water vapor corrosion behavior of scandium silicates at 1400°C

Zhiliang Hong, Laifei Cheng, Litong Zhang, Yiguang Wang

Research output: Contribution to journalArticlepeer-review

60 Scopus citations

Abstract

The corrosion behavior of scandium silicates with different scandia contents were investigated in an atmosphere of 50%H2O-50%O 2 water vapor with a total pressure of 1 atm at 1400°C. The weight changes of scandium silicates as a function of annealing time were recorded to illustrate the corrosion behavior of these materials. The phases of as-prepared and corroded materials were compared by using X-ray diffraction and Fourier transform infrared spectroscopy. The results indicate that the water vapor does not corrode the scandium disilicate. The weight gain during corrosion is attributed to the hydroxylation of free scandia.

Original languageEnglish
Pages (from-to)193-196
Number of pages4
JournalJournal of the American Ceramic Society
Volume92
Issue number1
DOIs
StatePublished - Jan 2009

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