Combustion Mechanism of Particles of Aluminum-Magnesium Alloys,
FOREIGN TECHNOLOGY DIV WRIGHT-PATTERSON AFB OHIO
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The authors have studied the combustion process of individual particles of aluminum-magnesium alloys under atmospheric pressure. The particles contained 5, 10, 20, 50, 70, 90, and 95 magnesium and were prepared in the form of spheres measuring from 100 to 600 micrometers. The studied particle was placed on the point of a tungsten needle and burned in air or in the flame of compressed mixtures of ammonium perchlorate and urotropine, which have calculated temperatures of 2500, 2700, and 3100K. In the case of combustion in air the particles were ignited from a miniature Silit rod, heated by an electrical current. The combustion process was studied with a movie camera with magnification of up to x10.
- Combustion and Ignition