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Author
Babaytsev, I. V. | Delyan, V. I.
Title
Influence of Metal Fluorides on the Spontaneous Combustion Temperature of Mixtures of Powdered Aluminum and Silicocalcium With Metal Nitrides. (Translation)
Report
FTD-ID(RS)T-0896-85, January 1986, 10 p.
Distribution
LIMITED to U.S. Government Agencies Only Available from National Technical Information Service
Keywords
spontaneous combustion
Abstract
The use of nonexplosive combustible components in the composition of exothermic mixtures--powdered aluminum and silicocalcium, not containing particles less than 50 mum in size, granulated aluminum, pieces of aluminum filings and other aluminum containing materials--because of the increase in the particle size and corresponding decrease in the specific surface of the combustible material leads to a reduction in the rate of heat liberation, an increase in the combustion temperature, a decrease in the rate of combustion of the mixture on the metal surface, and a reduction in he rate of slag formation. All of this may reduce the quality of the metal, especially in the case of small ingots.