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Materials SciencesCrystallography

Nanocrystalline Processing and Interface Engineering of Si3N4-Based Nanocomposites

Authors: Jackie Y. Ying; MASSACHUSETTS INST OF TECH CAMBRIDGE DEPT OF CHEMICAL ENGINEERING
Abstract:
The design and operation of a novel forced flow reactor for synthesizing nanocrystalline, high surface area (210 - 250 sq m/g) TiN powders is described. A key in tailoring the characteristics of the powder produced in the reactor is the use of a microwave-generated plasma. Sintering results demonstrate the tremendous potential for pressureless sintering of monodisperse, high surface area nitride powders as well as highlight the need for processing which addresses the proclivity for oxidation of these materials.

Limitations: APPROVED FOR PUBLIC RELEASE
Description: Technical rept. 1 Apr-30 Jun 96
Pages: 6
Report Date: 01 JUL 96
Contract Number: N00014-95-1-0626
Report Number: A797013
Keywords relating to this report:
*COMPOSITE MATERIALS
*ENGINEERING
*INTERFACES
*SILICON NITRIDES
MICROWAVES
NITRIDES
OXIDATION
PLASMA DEVICES
POWDERS
PRESSURE
SINTERING
SURFACES
TITANIUM
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