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Communication Dans Un Congrès Année : 2009

Analysis of the phase transformation near the crack tip in Shape Memory Alloys

Résumé

A new analytical prediction of the phase transformation zone around the crack tip is proposed for shape memory alloys. The present analysis integrates the asymmetry between tension and compression in the yield surface of phase transformation around the crack tip. Shapes and sizes of the phase transformation zone are predicted for loading modes I, II and III. Furthermore, an experimental investigation for mode I loading fracture tests on edgecracked specimens of a nickel-titanium alloy is currently performing with a particular attention devoted on displacement and temperature fields evolution around the crack tip.
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hal-00441015 , version 1 (13-11-2023)

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Virginie Taillebot, Christian Lexcellent, Pierrick Malecot, Rachid Laydi. Analysis of the phase transformation near the crack tip in Shape Memory Alloys. 8th European Symposium on Martensitic Transformations (ESOMAT 2009), Sep 2009, Prague, Czech Republic. ⟨10.1051/esomat/200906034⟩. ⟨hal-00441015⟩
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