Abstract
Processes of nonisothermal oxidation, nitridation, and ageing of aluminum powders with different particle sizes (nano-sized powder, ASD-1 powder, and PAP-2 powder) are considered. Application of non-oxide coatings onto particles of aluminum nanopowders reduces their thermal stability. Owing to scale-shaped particles, the PAP-2 powder after long-time storage preserves high activity of oxidation and nitridation, which is commensurable with that of the aluminum nanopowder. The activity of the coarse ASD-1 powder consisting of spherical particles in terms of oxidation and nitridation is low and only slightly changes during ageing.
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Translated from Fizika Goreniya i Vzryva, Vol. 42, No. 2, pp. 61–69, March–April, 2006.
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Gromov, A.A., Il’in, A.P., Foerter-Barth, U. et al. Effect of the passivating coating type, particle size, and storage time on oxidation and nitridation of aluminum powders. Combust Explos Shock Waves 42, 177–184 (2006). https://doi.org/10.1007/s10573-006-0036-4
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DOI: https://doi.org/10.1007/s10573-006-0036-4