A New Variant Selection Criterion for Twin Variants in Titanium Alloys (Part 1) | Zendy

Schuman Christophe | Zendy; Bao Lei | Zendy; Sébastien Lecomte Jean | Zendy; Zhang Yudong | Zendy; Marc Raulot Jean | Zendy; Jeanne Philippe Marie | Zendy; Esling Claude | Zendy

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A New Variant Selection Criterion for Twin Variants in Titanium Alloys (Part 1)

Author(s) -

Schuman Christophe,

Bao Lei,

Sébastien Lecomte Jean,

Zhang Yudong,

Marc Raulot Jean,

Jeanne Philippe Marie,

Esling Claude

Publication year - 2011

Publication title -

advanced engineering materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.938

H-Index - 114

eISSN - 1527-2648

pISSN - 1438-1656

DOI - 10.1002/adem.201100119

Subject(s) - crystal twinning , selection (genetic algorithm) , deformation (meteorology) , compression (physics) , titanium , materials science , energy (signal processing) , mathematics , computer science , metallurgy , statistics , composite material , artificial intelligence , microstructure

A new selection criterion to explain the activation of the twinning variant is proposed 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 deformed by Channel Die compression.

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