Abstract
Alumina as a basic raw material for abrasives, cements, ceramics, chemicals, metals, refractories, etc. has no parallel. With its fairly extensive occurrence in nature coupled with its numerous useful physical, mechanical, thermal and electrical properties, it has turned out to be the most extensively studied and widely used ceramic raw material that refuses to diminish its value even in the age of composites and nano-structured materials. This article is an endeavour to capture in a concise manner the story of this wonder material spanning over three centuries.
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