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Author : Rupesh Manak, Vishnu Prabhakar and Jasmeen Saini

Pages : 1679-1685
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Aluminium oxide (alumina or Al2O3) is currently one of the most useful oxide ceramics, as it has been used in many fields of engineering such as coatings, heat-resistant materials, abrasive grains, cutting materials and advanced ceramics. This is because alumina is hard, highly resistant towards bases and acids, allows very high temperature applications and has excellent wear resistance. Alumina is also an inert substance, and at room temperature, it is insoluble in all ordinary chemical reagents. These qualities make it a smart material for variety of applications ranging from aerospace up to medical implants and health care. The long history of research on most intrinsic properties of alumina are known, but even today a significant part of research work deals with alumina materials science on a fundamental level. The main reason is arguably the complexity and usefulness of the alumina polymorphs. Now day’s nanotechnology is playing an important role to establish relationship between different polymorphs of alumina, novel low temperature synthesis and characterization techniques. The aim of this review is to highlights on alumina crystalline phase including synthesis and applications.

Keywords: Alumina, Polymorphs, Energetic bombardment, nanotechnology

Article published in International Journal of Current  Engineering  and Technology, Vol.3,No.5(Dec- 2013)





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