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The mechanism of whisker crystals formation process by aluminum aerogels burning was studied adapting for ceramic technology problems solution. The correlation of aluminum aerogels burning characteristics and the final combustion products structure was found. The burning temperature, air pressure and nitrogen concentration are significantly effect on the crystals growth mechanism. A wide variety of...
This study concerns flame spread over aluminum nanopowder embedded in a polymeric matrix burning in an oxidizing gas counterflow. We used two qualities of aluminum nanopowder produced by electrical explosion of aluminum wires: passivation with air and stearic acid. A mixture of 21 vol. % of oxygen and 79 vol. % of nitrogen was used as an oxidizer. The flame spread rate was measured as a function of...
The influence of nitrogen on the aluminum droplet combustion under forced convection conditions has been studied. An aerodynamic levitation technique of millimetric size liquid droplets heated with a CO 2 laser has been adopted to characterize the combustion of aluminum droplets and, in particular, to observe the surface phenomena. The determination of the burning rate and of the droplet temperature...
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