Please use this identifier to cite or link to this item: https://idr.l4.nitk.ac.in/jspui/handle/123456789/11669
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dc.contributor.authorRamesh, S.
dc.contributor.authorNayaka, H.S.
dc.contributor.authorSahu, S.
dc.contributor.authorGopi, K.R.
dc.contributor.authorShivaram, M.J.
dc.contributor.authorArya, S.
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, 12, pp.7629-7641en_US
dc.identifier.urihttp://idr.nitk.ac.in/jspui/handle/123456789/11669-
dc.description.abstractMultiaxial forging (MAF) was used to process Cu-4.5%Ti (wt.%) alloy at cryogenic temperature up to three cycles with a cumulative strain of 1.64. Microstructures, mechanical, and corrosion properties of as-received and deformed samples were analyzed. Microstructural analysis showed that average grain size decreased from 70 m to 200 nm, and electron backscattered diffraction (EBSD) analysis revealed the transformation of high-angle grain boundaries (HAGBs) to low-angle grain boundaries (LAGBs). Variations in intensity of peaks were observed by x-ray diffraction (XRD) technique. Microstructural investigation showed elongated grains with shear bands having width ~ 200 nm for 3-cycle sample. Tensile testing and micro-hardness tests showed improvements in ultimate tensile strength (UTS), yield strength (YS), and micro-hardness, with the increase in MAF cycles. Ultimate tensile strength and hardness increased from 605 MPa and 252 HV (for as-received) to 1284 MPa and 428 HV for three cycles of MAF-processed sample, respectively. Improvement in strength and hardness was attributed to refined grain structure. Corrosion study was carried out for different cycles of MAF-processed samples using potentiodynamic polarization, and corroded surfaces were analyzed using scanning electron microscopy (SEM) and energy-dispersive spectroscopy (EDS) analysis. 2019, ASM International.en_US
dc.titleInfluence of Multiaxial Cryoforging on Microstructural, Mechanical, and Corrosion Properties of Copper-Titanium Alloyen_US
dc.typeArticleen_US
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