Member, the American Ceramic Society.
Sinterable Ceramic Powders from Laser-Driven Reactions: II, Powder Characteristics and Process Variables
Article first published online: 2 JUN 2006
Journal of the American Ceramic Society
Volume 65, Issue 7, pages 330–335, July 1982
How to Cite
CANNON, W.R., DANFORTH, S.C., HAGGERTY, J.S. and MARRA, R.A. (1982), Sinterable Ceramic Powders from Laser-Driven Reactions: II, Powder Characteristics and Process Variables. Journal of the American Ceramic Society, 65: 330–335. doi: 10.1111/j.1151-2916.1982.tb10465.x
Supported by the Advanced Research Projects Agency under Contract No. N00014–77–C0581.
- Issue published online: 2 JUN 2006
- Article first published online: 2 JUN 2006
- Received February 5, 1981; revised copy received November 25, 1981.
Si, Si3N4, and SiC powders which possess a unique set of characteristics were produced by a laser-driven gas-phase synthesis process. The powders have a fine particle size (<0.1 μm), are spherical, have a narrow range of particle sizes, are free of hard agglomerates, have a high degree of phase purity, and have a high absolute purity (<0.1% including oxygen). A detailed analysis of the physical, chemical, and crystalline characteristics of Si and Si3N4 is presented. A brief discussion of our initial work with SiC is also included. The dependence of particle characteristics on the various process parameters (laser power, cell pressure, gas composition) is discussed and related to a model of the powder-synthesis process.