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Effect of Texture and Grain Size on Bio-Corrosion Response of Ultrafine-Grained Titanium

Gurao, NP and Manivasagam, Geetha and Govindaraj, P and Asokamani, R and Suwas, Satyam (2013) Effect of Texture and Grain Size on Bio-Corrosion Response of Ultrafine-Grained Titanium. In: METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE, 44A (12). pp. 5602-5610.

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Official URL: http://dx.doi.org/10.1007/s11661-013-1910-9

Abstract

The bio-corrosion response of ultrafine-grained commercially pure titanium processed by different routes of equal-channel angular pressing has been studied in simulated body fluid. The results indicate that the samples processed through route B-c that involved rotation of the workpiece by 90 deg in the same sense between each pass exhibited higher corrosion resistance compared to the ones processed by other routes of equal-channel angular pressing, as well as the coarse-grained sample. For a similar grain size, the higher corrosion resistance of the samples exhibiting off-basal texture compared to shear texture indicates the major role of texture in corrosion behavior. It is postulated that an optimum combination of microstructure and crystallographic texture can lead to high strength and excellent corrosion resistance.

Item Type: Journal Article
Additional Information: Copyright for this article belongs to Springer
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Depositing User: Id for Latest eprints
Date Deposited: 19 Nov 2013 06:37
Last Modified: 19 Nov 2013 06:37
URI: http://eprints.iisc.ac.in/id/eprint/47776

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