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- Title
Computational and Theoretical Analysis of the Effect of an Aluminum Borate Oxide Film on the Ignition Conditions of Single Aluminum Diboride Particles.
- Authors
Savel'ev, A. M.; Titova, N. S.
- Abstract
Thermogravimetric analysis data were used to determine the activation energy E = 205.9 kJ/mol, the pre-exponential factor A = 2.275·10−15 m3/s, and the order of reaction with respect to the oxidizer = 1 for the oxidation of an aluminum diboride particle involving the formation of aluminum borate on the surface. The ignition conditions for a single particle of aluminum diboride in air were evaluated using the theory of ignition of metal particles by the thermal explosion mechanism. It is shown that the formation of aluminum borates in the induction period results in a strong positive dependence of the particle ignition temperature on the particle size and oxygen partial pressure of.
- Subjects
ALUMINUM oxide films; ALUMINUM analysis; ALUMINUM; ALUMINUM oxidation; IGNITION temperature; ALUMINUM films; DUST explosions
- Publication
Combustion, Explosion, & Shock Waves, 2021, Vol 57, Issue 3, p314
- ISSN
0010-5082
- Publication type
Article
- DOI
10.1134/S0010508221030060