4.4 Article

Initial Wetting and Spreading Phenomena of a CaO-SiO2 Liquid Slag on MgO Substrates

Journal

ISIJ INTERNATIONAL
Volume 54, Issue 9, Pages 2059-2063

Publisher

IRON STEEL INST JAPAN KEIDANREN KAIKAN
DOI: 10.2355/isijinternational.54.2059

Keywords

MgO; wetting; spreading rate; slag; refractory; contact angle

Funding

  1. R&D Center for Valuable Recycling (Global-Top Environmental Technology Development Program) - Ministry of Environment [11-C22-ID]

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Initial wetting phenomena and spreading property of CaO-SiO2 slag on MgO single and poly-crystal refractory substrates are investigated using sessile drop technique and a high-speed camera (1 500 frame's). By observing and analyzing the spreading rate, change of the contact angle, and the composition change in slag and refractory, we found that the initial wetting is non-reactive and controlled by viscous friction.

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