Abstract:In this paper, as-extruded (∼ 1µm + ∼ 60 nm) bimodal size SiC particle (SiC p) reinforced magnesium matrix composite was subjected to step-by-step tensile treatment. The microstructure evolution and fracture characteristic of the composites were investigated. The experimental results indicated that the dislocations were accumulated mainly around the particles. Meanwhile, dislocation density increased with the strain increasing from 0% to 2.6% and hence, improved the tensile strength of the composite. According… Show more
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