Please use this identifier to cite or link to this item: https://idr.nitk.ac.in/jspui/handle/123456789/15587
Title: Investigation of Tribological and Corrosion Behavior of Cu-Ti Alloy Processed by Multiaxial Cryoforging
Authors: Ramesh S.
Shivananda Nayaka H.
Issue Date: 2020
Citation: Journal of Materials Engineering and Performance Vol. 29 , 5 , p. 3287 - 3296
Abstract: Wear and corrosion properties of Cu-3%Ti alloy subjected to multiaxial forging (MAF) under cryogenic conditions are estimated at room temperature. Wear study was performed using pin-on-disk dry sliding wear setup at 10 and 20 N loads with varying sliding distances (500-3000 m) under different sliding velocities (1 and 2 m/s). Coefficient of friction and wear mass loss decreases with an increase in MAF cycles, due to increases in hardness of samples. Wear resistance decreases with an increase in load and sliding velocity. Worn surface shows the plastic deformation regions, wear track, micro-cracks, micro-plowing groove and scratches. Potentiodynamic polarization test clearly shows that current density (Icorr) increases with an increase in MAF passes, because of grain refinement. Reduction in corrosion rate was evident from electrochemical impedance spectroscopy results which show increased diameter of the capacitive arc. An enhancement of corrosion resistance was revealed at higher MAF passes. © 2020, ASM International.
URI: https://doi.org/10.1007/s11665-020-04833-7
http://idr.nitk.ac.in/jspui/handle/123456789/15587
Appears in Collections:1. Journal Articles

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