Microstructure and Mechanical Properties of Hot Extruded Mg-3zn-1cu-0.7mn Alloy Produced by Powder Metallurgy
Journal Title: International Journal of Mechanical and Production Engineering Research and Development (IJMPERD ) - Year 2019, Vol 9, Issue 5
Abstract
A novel alloy, Mg-3Zn-1Cu-0.7Mn is fabricated using blend-press-sinter powder metallurgy technique, and the microstructural and mechanical properties of the alloy have been analyzed. Also, the effect of the stress-relieving process on the alloy is investigated. The results indicate that there is advancement in the tensile characteristics of the hot extruded alloy through grain refinement due to dynamic recrystallization that occurred during hot extrusion and homogeneous distribution of the secondary phases. It is also revealed that the stress-relieving process has a vital influence on tensile properties of the alloy, as it reduced the size and number of microvoids present in the alloy. The Cu addition to the alloy guides to the precipitation strengthening, by stimulating the precipitate formation of fine phases of Mg and Zn and cause for the increased mechanical properties of the alloy. Fracture behavior of the alloy upon loading is discussed in detail.
Authors and Affiliations
Silan Tharakan S, M Sivapragash, Suneesh Suneesh
Keywords
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- EP ID EP672224
- DOI 10.24247/ijmperdoct201945
- Views 92
- Downloads 0
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