Microwave Synthesis of Metal Carbides,
Abstract
Microwave heating of metal oxide/ graphite or glassy carbon powder mixtures was carried out in Ar, utilizing a commercial microwave oven operated at 2.45 GHz and 700 W. Temperatures of up to 1400 - 1500 deg C could be obtained within 13 min, and Silicon carbide, Titanium carbide, Niobium carbide and Tantalum carbide were formed within 20 min. This method was also shown to offer a new process for producing SiC whiskers. Not only the amount of carbon but also the compactness of the starting powders was found to be essential for heating efficiency.
Document Details
- Document Type
- Technical Report
- Publication Date
- Apr 27, 1992
- Accession Number
- ADP007751
Entities
People
- Hiromitsu Kozuka
- John Douglas MacKenzie
Organizations
- University of California, Los Angeles