Combustion products of bulk aluminum rods burning in high pressure oxygen

Plagens, Owen, Lynn, David, Castillo, Martin, Paulos, Todd, & Steinberg, Theodore (2012) Combustion products of bulk aluminum rods burning in high pressure oxygen. In Davis, Samuel & Steinberg, Theodore (Eds.) Flammability and Sensitivity of Materials in Oxygen-Enriched Atmospheres : 13th Volume. ASTM International, Bay Shore, New York, pp. 233-244.

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Characterization of the combustion products released during the burning of commonly used engineering metallic materials may aid in material selection and risk assessment for the design of oxygen systems. The characterization of combustion products in regards to size distribution and morphology gives useful information for systems addressing fire detection. Aluminum rods (3.2-mm diameter cylinders) were vertically mounted inside a combustion chamber and ignited in pressurized oxygen by resistively heating an aluminum/palladium igniter wire attached to the bottom of the test sample. This paper describes the experimental work conducted to establish the particle size distribution and morphology of the resultant combustion products collected after the burning was completed and subsequently analyzed. In general, the combustion products consisted of a re-solidified oxidized slag and many small hollow spheres of size ranging from about 500 nm to 1000 µm in diameter, surfaced with quenched dendritic and grain-like structures. The combustion products were characterized using optical and scanning electron microscopy.

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ID Code: 58635
Item Type: Book Chapter
Keywords: Combustion products, bulk aluminum, particle size, morphology, aluminum, aluminum oxide
DOI: 10.1520/STP20120011
ISBN: 9780803175471
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000)
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2012 ASTM International
Deposited On: 26 Mar 2013 02:04
Last Modified: 14 Dec 2015 05:49

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