New Model for Twin-Variant Selection in Hexagonal Alloys

Abstract:

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A new selection criterion to explain the activation of the twinning variant is proposed. This criterion is based on the calculation of the deformation energy to create a primary twin. The calculation takes into account the effect of the grain size using a Hall-Petch type relation. This criterion allows to obtain a very good prediction for the variant selection. The calculations are compared with the experimental results obtained on T40 (ASTM grade 2) deformed by Channel Die compression.

Info:

Periodical:

Materials Science Forum (Volumes 702-703)

Edited by:

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

Pages:

229-232

DOI:

10.4028/www.scientific.net/MSF.702-703.229

Citation:

C. Schuman et al., "New Model for Twin-Variant Selection in Hexagonal Alloys", Materials Science Forum, Vols. 702-703, pp. 229-232, 2012

Online since:

December 2011

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Price:

$35.00

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