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Title: Synthesis of submicrometer titanium carbide powders

Abstract

A novel synthesis process, based on a carbothermal reduction of titania, has been developed for producing high-purity, submicrometer, and nonagglomerated titanium carbide powders. The process utilizes a carbothermic reduction reaction of novel coated precursor powders that has potential as a high-quality (submicrometer and high-purity) powder synthesis route. The precursor is derived from a titania (TiO{sub 2}) and a hydrocarbon (C{sub 3}H{sub 6}) gas and provides high contact area between the reactants. This yields a better distribution of carbon within the titania and inhibits the agglomeration among the titania particles, resulting in a more complete reaction and a purer product at a comparatively low temperature. The TiC powders produced at 1,550 C for 4 h under argon gas flow have oxygen content of 0.6 wt% and total carbon content of 22.9 wt %, a very fine particle size (<0.1 {micro}m) (surface area of about 20 m{sup 2}/g), uniform shape, and loose agglomeration.

Authors:
;  [1]
  1. Southern Illinois Univ., Carbondale, IL (United States). Dept. of Mechanical Engineering and Energy Processes
Publication Date:
Sponsoring Org.:
USDOE
OSTI Identifier:
509236
DOE Contract Number:  
AC05-84OR21400
Resource Type:
Journal Article
Journal Name:
Journal of the American Ceramic Society
Additional Journal Information:
Journal Volume: 80; Journal Issue: 4; Other Information: PBD: Apr 1997
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; SYNTHESIS; TITANIUM CARBIDES; TITANIUM OXIDES; CARBON; REDUCTION; POWDERS; SURFACE COATING; HYDROCARBONS; CHEMICAL REACTIONS

Citation Formats

Koc, R, and Folmer, J S. Synthesis of submicrometer titanium carbide powders. United States: N. p., 1997. Web. doi:10.1111/j.1151-2916.1997.tb02926.x.
Koc, R, & Folmer, J S. Synthesis of submicrometer titanium carbide powders. United States. https://doi.org/10.1111/j.1151-2916.1997.tb02926.x
Koc, R, and Folmer, J S. Tue . "Synthesis of submicrometer titanium carbide powders". United States. https://doi.org/10.1111/j.1151-2916.1997.tb02926.x.
@article{osti_509236,
title = {Synthesis of submicrometer titanium carbide powders},
author = {Koc, R and Folmer, J S},
abstractNote = {A novel synthesis process, based on a carbothermal reduction of titania, has been developed for producing high-purity, submicrometer, and nonagglomerated titanium carbide powders. The process utilizes a carbothermic reduction reaction of novel coated precursor powders that has potential as a high-quality (submicrometer and high-purity) powder synthesis route. The precursor is derived from a titania (TiO{sub 2}) and a hydrocarbon (C{sub 3}H{sub 6}) gas and provides high contact area between the reactants. This yields a better distribution of carbon within the titania and inhibits the agglomeration among the titania particles, resulting in a more complete reaction and a purer product at a comparatively low temperature. The TiC powders produced at 1,550 C for 4 h under argon gas flow have oxygen content of 0.6 wt% and total carbon content of 22.9 wt %, a very fine particle size (<0.1 {micro}m) (surface area of about 20 m{sup 2}/g), uniform shape, and loose agglomeration.},
doi = {10.1111/j.1151-2916.1997.tb02926.x},
url = {https://www.osti.gov/biblio/509236}, journal = {Journal of the American Ceramic Society},
number = 4,
volume = 80,
place = {United States},
year = {1997},
month = {4}
}