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RESEARCH PAPERS

Fabrication and Development of Axial Silicon Nitride Gas Turbine Rotors

[+] Author and Article Information
G. Bandyopadhyay, K. W. French, D. J. Sordelet

GTE Laboratories Inc., Waltham, MA 02254

K. D. Moergenthaler

Daimler-Benz Aktiengesellschaft, 7000 Stuttgart 60, Federal Republic of Germany

J. Eng. Gas Turbines Power 113(4), 643-649 (Oct 01, 1991) (7 pages) doi:10.1115/1.2906289 History: Received January 10, 1990; Online April 24, 2008

Abstract

Since 1984, GTE Laboratories Inc. has performed research to develop net shape fabrication technology for axial silicon nitride rotors for the Daimler-Benz research gas turbine engine. The initial effort was focused on the fabrication of injection-molded profile disks. Subsequently, efforts were shifted to develop injection molding and slip casting technology for the bladed gasifier rotors. This joint activity has demonstrated that the ceramics technology has improved significantly over the last five years, as is evidenced by a major improvement in properties and performance of silicon nitride components. The evolution of the ceramics fabrication technology at GTE and the role of improved process and NDE methods on components fabricated in recent years are described in this paper.

Copyright © 1991 by The American Society of Mechanical Engineers
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