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dc.contributor.authorRamesh, S.
dc.contributor.authorAnne, G.
dc.contributor.authorNayaka, H.S.
dc.contributor.authorSahu, S.
dc.contributor.authorRamesh, M.R.
dc.date.accessioned2020-03-31T08:35:25Z-
dc.date.available2020-03-31T08:35:25Z-
dc.date.issued2019
dc.identifier.citationJournal of Materials Engineering and Performance, 2019, Vol.28, 4, pp.2053-2062en_US
dc.identifier.urihttp://idr.nitk.ac.in/jspui/handle/123456789/11670-
dc.description.abstractMultidirectional forging (MDF) was applied to Mg-6%Zn alloy up to 5 passes successfully at 280 C. MDF-processed materials were characterized using optical microscope, scanning electron microscope, electron backscatter diffraction, transmission electron microscope, and x-ray diffraction. Obtained results showed a significant reduction in grain size (up to 3.8 ?m) having a large fraction of high-angle grain boundaries after 5 passes of MDF process. Maximum tensile strength of 230 MPa was achieved for 5-pass MDF-processed Mg-6%Zn alloy which is about ~ 2.0 times higher in comparison with that of homogenized alloy (117 MPa) and was attributed to higher dislocations density and grain refinement. Corrosion behavior of the alloy was investigated in 0.1 M NaCl solution using potentiodynamic polarization test, electrochemical impedance spectra analysis, and immersion tests. It was found that the corrosion rate of 5-pass MDF sample improved (0.34 mm/year) ~2.5 times in comparison with that of homogenized Mg-6%Zn alloy (0.86 mm/year) due to fine grain structure, which creates more grain boundaries that act as a corrosion barrier. 2019, ASM International.en_US
dc.titleInfluence of Multidirectional Forging on Microstructural, Mechanical, and Corrosion Behavior of Mg-Zn Alloyen_US
dc.typeArticleen_US
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