Texture Analysis for Determining the Rate Controlling Process in the Transient and Steady State Regions of Superplastic Flow

Abstract:

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Even anisotropic superplastic flow, which is a result of an elongated grain shape and texture, can lead to extreme elongations to fracture (superplasticity). Therefore, to identify the mechanisms of deformation present during superplastic flow alone, the effects of the microstructure should be eliminated first. Using an Al 5083 alloy, in which an equi-axed microstructure is present from the beginning, it is shown that grain boundary sliding, accompanied by grain rotations, is the rate controlling mechanism.

Info:

Periodical:

Materials Science Forum (Volumes 702-703)

Edited by:

Asim Tewari, Satyam Suwas, Dinesh Srivastava, Indradev Samajdar and Arunansu Haldar

Pages:

360-365

DOI:

10.4028/www.scientific.net/MSF.702-703.360

Citation:

K. A. Padmanabhan et al., "Texture Analysis for Determining the Rate Controlling Process in the Transient and Steady State Regions of Superplastic Flow", Materials Science Forum, Vols. 702-703, pp. 360-365, 2012

Online since:

December 2011

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Price:

$35.00

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