DIRECTIONAL SOLIDIFICATION OF ALUMINUM OXYNITRIDE (ALON) FROM THE MELT BY THE HEAT EXCHANGER METHOD (HEM)

Award Information
Agency:
Department of Defense
Branch:
Army
Amount:
$286,000.00
Award Year:
1985
Program:
SBIR
Phase:
Phase II
Contract:
N/A
Agency Tracking Number:
28
Solicitation Year:
N/A
Solicitation Topic Code:
N/A
Solicitation Number:
N/A
Small Business Information
Crystal Systems, Inc.
35 Congress Street, Salem, MA, 01970
Hubzone Owned:
N
Socially and Economically Disadvantaged:
N
Woman Owned:
N
Duns:
N/A
Principal Investigator
 () -
Business Contact
 Chandra P. Khattak
Phone: (617) 745-0088
Research Institution
N/A
Abstract
ALUMINUM OXYNITRIDE SPINEL (ALON) HAS BEEN SINTERED IN TARNSPARENT, POLYCRYSTALLINE FORM. THE POLYCRYSTALLINE FORM ALUMINUM OXYNITRIDE SPINEL (ALON) HAS BEEN SINTERED INTO TRANSPARENT, POLYCRYSTALLINE FORM. THE POLYCRYSTALLINE FORM EXHIBITS LIGHT SCATTER AT GRAIN BOUNDARIES AND PORES. THE PRESENT PROPOSAL IS AN EFFORT TO ESTABLISH FEASABILITY OF PRODUCING ALON FROM THE MELT BY A CONTROLLED SOLIDIFICATION USING THE HEAT EXCHANGER METHOD (HEM). THIS EXPECTED TO PRODUCE LARGE, COLUMNAR GRAIN STRUCTURE MATERIAL DEVOID OF PROSPERITY AND, THEREFORE, EXHIBITING SUBSTANTIALLY LESS LIGHT SCATTER> THIS REQUIREMENT IS IMPORTANT FOR USE OF ALON AS MULTI-MODE MISSLE GUIDANCE WINDOW APPLICATIONS. THE PROPOSED WORK WILL BE COORDINATED WITH THE BASIC WORK DONE AT ARMY MATERIALS AND MECHANICS RESEARCH CENTER AND THE APPLICATION REQUIREMENTS AT NAVAL WEAPONS CENTER, CHINA LAKE, CA.

* information listed above is at the time of submission.

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