Authors: A Alavi Nia S H Nourbakhsh
Publish Date: 2015/12/21
Volume: 69, Issue: 7, Pages: 1435-1442
Abstract
Magnesium is a light structural metal that is increasingly used in the aerospace and automobile industries Its mechanical strength can be enhanced by adding reinforcing particles to the material Friction stir processing a solid state process has been used to insert reinforcing particles into the structure of a material to create a composite with improved properties In the present study 4 8 and 16 v/v SiC nanoparticles or carbon nanotubes CNT were added to AZ31 alloy using FSP with simultaneous cooling and the microstructure microhardness and tensile strength of the composites were examined The results indicated that the addition of reinforcing materials decreased the size of the grains and increased structural uniformity and microhardness SiC nanoparticles were distributed uniformly within the material however the CNTs agglomerated It was found that increasing the percentage of reinforcing material increased the yield stress of the material but decreased the ultimate stress and deformation
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