Synthesis of refractory materials
Abstract
Refractory metal nitrides are synthesized during a self-propagating combustion process utilizing a solid source of nitrogen. For this purpose, a metal azide is employed, preferably NaN/sub 3/. The azide is combusted with Mg or Ca, and a metal oxide is selected from Groups III-A, IV-A, III-B, IV-B, or a rare earth metal oxide. The mixture of azide, Ca or Mg and metal oxide is heated to the mixture's ignition temperature. At that temperature the mixture is ignited and undergoes self-sustaining combustion until the starter materials are exhausted, producing the metal nitride.
- Inventors:
- Issue Date:
- OSTI Identifier:
- 6858795
- Application Number:
- ON: DE84011045
- Assignee:
- Dept. of Energy
- DOE Contract Number:
- W-7405-ENG-48
- Resource Type:
- Patent
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE; NITRIDES; SYNTHESIS; REFRACTORIES; AZIDES; CALCIUM; COMBUSTION; MAGNESIUM; OXIDES; ALKALINE EARTH METALS; CHALCOGENIDES; CHEMICAL REACTIONS; ELEMENTS; METALS; NITROGEN COMPOUNDS; OXIDATION; OXYGEN COMPOUNDS; PNICTIDES; THERMOCHEMICAL PROCESSES; 360201* - Ceramics, Cermets, & Refractories- Preparation & Fabrication
Citation Formats
Holt, J B. Synthesis of refractory materials. United States: N. p., 1983.
Web.
Holt, J B. Synthesis of refractory materials. United States.
Holt, J B. Tue .
"Synthesis of refractory materials". United States.
@article{osti_6858795,
title = {Synthesis of refractory materials},
author = {Holt, J B},
abstractNote = {Refractory metal nitrides are synthesized during a self-propagating combustion process utilizing a solid source of nitrogen. For this purpose, a metal azide is employed, preferably NaN/sub 3/. The azide is combusted with Mg or Ca, and a metal oxide is selected from Groups III-A, IV-A, III-B, IV-B, or a rare earth metal oxide. The mixture of azide, Ca or Mg and metal oxide is heated to the mixture's ignition temperature. At that temperature the mixture is ignited and undergoes self-sustaining combustion until the starter materials are exhausted, producing the metal nitride.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Aug 16 00:00:00 EDT 1983},
month = {Tue Aug 16 00:00:00 EDT 1983}
}
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