Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/2721
Title: A microstructural study of surface hydration on a magnesia refractory
Authors: Sütçü, Mücahit
Akkurt, Sedat
Okur, Salih
Keywords: Hydration
Refractories
Surfaces
MgO
Issue Date: Jul-2010
Publisher: Elsevier Ltd.
Source: Sütçü, M., Akkurt, S., and Okur, S. (2010). A microstructural study of surface hydration on a magnesia refractory. Ceramics International, 36(5), 1731-1735. doi:10.1016/j.ceramint.2010.02.043
Abstract: Hydration of the surface of a periclase refractory was studied in a controlled humidity atmosphere (92% relative humidity) at 26 °C for up to 92 h. The effect of humidity on the specimens was examined using a scanning probe microscope (SPM) and a scanning electron microscope (SEM), which showed that the degree of hydration was noticeably less in the intergranular bond phase compared to the periclase crystallites. The SPM study indicated significant growth of hydrates on the refractory grain surface. Growth rate of the hydrate layer was least on (0 0 1) orientation, higher for the (1 0 3) orientation, and highest for the (1 0 1) oriented grain. The rate of loss of refractory phases by hydration on a (1 0 1) oriented grain was 4.53 nm/h. This material loss may be insignificant for a bulk brick, but is a serious threat for a magnesia castable consisting of fine magnesia powder due to large surface area exposed to humidity or water itself. © 2010 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
URI: http://doi.org/10.1016/j.ceramint.2010.02.043
http://hdl.handle.net/11147/2721
ISSN: 0272--8842
0272-8842
1873-3956
Appears in Collections:Mechanical Engineering / Makina Mühendisliği
Physics / Fizik
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

Files in This Item:
File Description SizeFormat 
2721.pdfMakale452.97 kBAdobe PDFThumbnail
View/Open
Show full item record

CORE Recommender

SCOPUSTM   
Citations

8
checked on Oct 1, 2022

WEB OF SCIENCETM
Citations

6
checked on Oct 1, 2022

Page view(s)

86
checked on Oct 3, 2022

Download(s)

98
checked on Oct 3, 2022

Google ScholarTM

Check

Altmetric


Items in GCRIS Repository are protected by copyright, with all rights reserved, unless otherwise indicated.