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Texture and grain boundary character distribution during Equal Channel Angular Extrusion of some two-phase copper alloys

Suwas, Satyam and Biswas, Somjeet and Singh, Satyaveer D and Chattopadhyay, Kamanio (2008) Texture and grain boundary character distribution during Equal Channel Angular Extrusion of some two-phase copper alloys. In: 4th International Conference on Nanomaterials by Severe Plastic Deformation IV, AUG 18-22, 2008, Goslar, GERMANY.

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Official URL: http://www.scientific.net/MSF.584-586.585

Abstract

In the present work, a thorough investigation of evolution of microstructure and texture has been carried out to elucidate the evolution of texture and grain boundary character distribution (GBCD) during Equal Channel Angular Extrusion (ECAE) of some model two-phase materials, namely Cu-0.3Cr and Cu-40Zn. Texture of Cu-0.3Cr alloy is similar to that reported for pure copper. On the other hand, in Cu-40Zn alloy, texture evolution in α and β (B2) phases are interdependent. In Cu-0.3Cr alloy, there is a considerable decreases in volume fraction of low angle boundaries (LAGBs), only a slight increase in CSL boundaries, but increase in high angle grain boundaries (HAGBs) from 1 pass to 4 passes for both the routes. In the case of Cu-40Zn alloy, there is an appreciable increase in CSL volume fraction.

Item Type: Conference Paper
Keywords: Brass;Copper Alloy;Electron Backscatter Diffraction (EBSD); Equal Channel Angular Extrusion (ECAE)
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited: 27 Sep 2011 09:29
Last Modified: 27 Sep 2011 09:29
URI: http://eprints.iisc.ernet.in/id/eprint/40867

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