H.G. EMBLEM AND T.J. DAVIES Manchester Materials Science Centre University of Manchester and UMIST Manchester Ml 7HS, U.K. (Received: 10 January, 1993) CONTENTS Page 1. Introduction 2. Aluminium (III) Oxide, Chrome Ores and Chromium (Î Î) Oxide 2.1. Corundum (Î±-alumina) 2.2. Chrome Ores (Chromite) 2.3 Chromium (Î Î) Oxide 2.3.1. Chrome Pigments 3. The System Aluminium (Î Î) Oxide - Chromium (Î Î) Oxide 4. Preparation, Properties and Uses of Alumina-Chrome Refractories 4.1. Preparation of Alumina-Chrome Refractories 4.2. Properties and Uses of Alumina-Chrome Refractories 4.2.1. Mechanical Properties 5. Health and Safety Considerations 6. Acknowledgements 7. References 104 105 105 107 109 110 110 113 114 117 119 120 121 121 Vol 13, No. 2, 1993 1. Introduction There is no general definition of what constitutes a refractory. Essentially, a refractory product, or refractory, is a material of high melting point, or a material which will withstand high temperatures sufficiently to allow use in a furnace lining or other location where it will be exposed to severe heating. However, a high melting point, which is a relative term, is not the only criterion of usefulness. If the material is for metallurgical uses it should also resist corrosion and/or erosion
Reviews in Inorganic Chemistry – de Gruyter
Published: Jan 1, 1993
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