A historical view of ALON

Roger M. Sullivan

doi:10.1117/12.598031

18 May 2005 A historical view of ALON

Roger M. Sullivan

Proceedings Volume 5786, Window and Dome Technologies and Materials IX; (2005) https://doi.org/10.1117/12.598031
Event: Defense and Security, 2005, Orlando, Florida, United States

Abstract

The aluminum oxynitride phase known as ALON is prepared as a ceramic with promising physical and optical properties for infrared transparent domes and windows. It was first reported in the late nineteen fifties. James McCauley of the Army Materials and Mechanics Research Center (AMMRC) began work in the nineteen seventies that led to a firm foundation for understanding the phase diagram of AlN-Al₂O₃, which in turn led to the first transparent ceramic ALON samples. Technology transfer from the AMMRC to Raytheon Corporation resulted in further development of the material, which was qualified for missile dome applications. In the nineteen nineties a renaissance in interest in ALON occurred when ALON composites were shown to have superior qualities as transparent armor. The first decade of the twenty first century has seen Surmet Corporation acquire ALON optical ceramic technology from Raytheon Company and transition the research and development technology to production.

Citation Download Citation

Roger M. Sullivan "A historical view of ALON", Proc. SPIE 5786, Window and Dome Technologies and Materials IX, (18 May 2005); https://doi.org/10.1117/12.598031

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