In-situ observation of the dissolution of ZrO2 oxide particles in mould fluxes J. Liu, L. Zhu, M. Guo, F. Verhaeghe, B. Blanpain and P. Wollants Rev. Met. Paris, 105 5 (2008) 255-262 Published online: 05 June 2008 DOI: 10.1051/metal:2008039