首页|{10(1)2} twin-twin intersection-induced lattice rotation and dynamic recrystallization in Mg-6Al-3Sn-2Zn alloy
{10(1)2} twin-twin intersection-induced lattice rotation and dynamic recrystallization in Mg-6Al-3Sn-2Zn alloy
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This study investigated the formation mechanism of new grains due to twin-twin intersections in a coarse-grained Mg-6Al-3Sn-2Zn alloy dur-ing different strain rates of an isothermal compression.The results of electron backscattered diffraction investigations showed that the activated twins were primarily {10(1)2} tension twins,and 60°<10(1)0>boundaries formed due to twin-twin intersections under different strain rates.Isola-ted twin variants with 60°<10(1)0>boundaries transformed into new grains through lattice rotations at a low strain rate(0.01 s-1).At a high strain rate(10 s-1),the regions surrounded by subgrain boundaries through high-density dislocation arrangement and the 60°<10(1)0>boundaries transformed into new grains via dynamic recrystallization.
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