Accession Number : ADD005456

Title :   Sintered Polycrystalline Nitrogen Stabilized Cubic Aluminum Oxide Material.

Descriptive Note : Patent Application,

Corporate Author : DEPARTMENT OF THE ARMY WASHINGTON D C

Personal Author(s) : McCauley,James W

Report Date : 24 Aug 1978

Pagination or Media Count : 9

Abstract : This patent application covers a structural ceramic material comprising single phase polycrystalline cubic aluminum oxynitride preferably with at least 97% of theoretical density. It displays transparency and isotropic optical, thermal and electrical properties, an infrared cutoff at about 5.2 microns wavelength, and shows no chemical or physical property change after heating in air (atmosphere) at 1100 C.

Descriptors :   *Patent applications, *Transparent panels, *Ceramic materials, Windows, Aluminum oxides, High strength

Subject Categories : Ceramics, Refractories and Glass

Distribution Statement : APPROVED FOR PUBLIC RELEASE