Effect of selective atomic clustering, surface texture and grain boundary constitution on the corrosion behaviour of electrodeposited Sn-xBi coatings

Singh, AP and Srivastava, C (2023) Effect of selective atomic clustering, surface texture and grain boundary constitution on the corrosion behaviour of electrodeposited Sn-xBi coatings. In: Corrosion Science, 215 .

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Abstract

Sn-xBi (x = 4, 7, 10, 14, and 17 wt) coatings were electrodeposited onto mild steel to elucidate their corrosion behaviour. The B14 (Sn-14 wt Bi) and B7 (Sn-7 wt Bi) coating exhibited the highest (Polarization resistance (Rp) = 12,810.2 Ω·cm2) and least corrosion resistance (Rp = 2843.2 Ω·cm2), respectively. B14 coating exhibited the lower energy near (301) plane orientation against B7 coating which showed higher energy (321) and (111) plane orientation along the exposed surface. The galvanic coupling effect alleviated in B14 coating due to Sn nanoclusters into Bi grains as revealed by the atom probe tomography analysis. © 2023 Elsevier Ltd

Item Type:	Journal Article
Publication:	Corrosion Science
Publisher:	Elsevier Ltd
Additional Information:	The copy rights of the article belong to Elsevier Ltd.
Keywords:	Atoms; Binary alloys; Corrosion resistance; Corrosion resistant coatings; Corrosive effects; Electrodeposition; Electrodes; Grain boundaries; Steel corrosion; Atomic clustering, texture, grain boundary constitution; Clusterings; Corrosion behaviour; Grain-boundaries; Lower energies; Plane orientation; Polarization resistances; Sn-bi coating; Surface textures; Texture boundary; Textures
Department/Centre:	Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited:	13 Mar 2023 13:18
Last Modified:	13 Mar 2023 13:18
URI:	https://eprints.iisc.ac.in/id/eprint/80894

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