Quasi-Static and Plate Impact Loading of Cast Magnesium Alloy ML5 Reinforced with Aluminum Nitride Nanoparticles

Authors :: Anton P. Khrustalyov
Gennady Garkushin
Alexander Vorozhtsov
Ilya Zhukov
Sergey Razorenov
Source :: Metals, Vol 9, Iss 6, p 715 (2019), Metals, Volume 9, Issue 6
Publication Year :: 2019
Publisher :: MDPI AG, 2019.
Abstract: The influence of a small addition of 0.5 wt.% aluminum nitride nanoparticles with an average size of 80 nm on the mechanical properties of a cast magnesium alloy under quasi-static tensile (strain rate 10&minus<br />4 s&minus<br />1) and plate impact loading (strain rate 105 s&minus<br />1) was investigated. The composites were obtained by casting with a special mixing vortex device. After casting, some samples were subjected to heat treatment. The introduction of a small number of particles into the liquid metal led to a decrease in matrix grain size and a change in elasto-plastic and strength properties. Compared to quasi-static loading, the pre-heat treatment of tested alloys does not significantly affect the dynamic properties of a reinforced magnesium alloy under shock compression.

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