Mojaki, Emela Anna2011-10-112011-10-112011-10-11http://hdl.handle.net/10539/10530Ph.D., School of Process and materials Engineering, Faculty of Engineering and the Built Environment, University of the Witwatersrand, 2005enzirconia-hafnia systemStudy of the zirconia-hafnia system and particularly its behaviour at high temperatures and high pressureThesis