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! 595710 0 4; High strain rate superplasticity in MB2/SiC magnesium matrix composites Abstract: Ingots of MB2 (magnesium based alloy) matrix composites reinforced with SiC particulates (2 μm) , of 10% or 5% (in volume fraction) were prepared by stir casting and then extruded with a reduction ratio of 49∶1 at 390 ℃. Superplasticity of the composites......
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