Engineering
a year ago

CuO powder sparks explosive combustion in magnesium particles, study finds.

Journal of Physics Conference Series
Effect of CuO powder on the combustion and micro-explosion of Mg and Al12Mg17 particles
Xiao Lin Xie, Yan Zhang, Jianhua Ma, Jian Chang

Paper Summary

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The researchers studied how adding CuO powder affects the burning and explosion of magnesium and aluminum-magnesium particles. They used a laser to ignite the particles and a high-speed camera to observe the process. The results showed that CuO helps magnesium particles explode during burning, but not aluminum-magnesium particles. Also, the radiation peaks during burning mainly come from magnesium or magnesium oxide, indicating that CuO doesn't help aluminum burn in aluminum-magnesium particles.