Boniface, Tracy Diane2016-08-162016-08-162016-08-16http://hdl.handle.net/10539/20874A dissertation submitted to the Faculty of Engineering, University of the Witwatersrand) in partial fulfilment of the requirements for the degree of Master of Science in Engjneering Johannesburg, 1994Recent international investigations into new advanced materials have shown that the intennetallic compound, RuA1, possesses prormising characteristics for high-temperature use in corrosive environments. In order to optimise production of this alloy, an understanding of the Ru-A1 system is necessary. [Abbreviated Abstract. Open document to view full version]enAluminium -- Metallography.Ruthenium -- Metallography.Phase diagrams.Thesis