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Article Dans Une Revue Journal of Alloys and Compounds Année : 2014

Texture investigation of the superelastic Ti-24Nb-4Zr-8Sn alloy

Résumé

In this work, the influence of crystallographic texture on mechanical properties was investigated by X-ray diffraction in the superelastic Ti-24Nb-4Zr-8Sn alloy. Different textures were obtained by changing the cold rolling reduction rate and the following thermal treatment (solution treatment or flash thermal treatment). The tensile tests performed show that Young's modulus, elongation at rupture and ultimate tensile strength are not influenced by texture. However, the superelastic property of the Ti-24Nb-4Zr-8Sn alloy after solution treatment clearly increases with the textural change into the γ-fiber texture with a (1 1 1)View the MathML source main component due to the increase of cold rolling rate. Contrarily, the texture change induced by the increase of cold rolling rate has no influence on superelasticity after flash thermal treatment. Flash thermal treatment gives also higher recovery strain than solution treatment due to a smaller grain size.

Domaines

Matériaux
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Dates et versions

hal-00941895 , version 1 (04-02-2014)

Identifiants

Citer

Y. Yang, Philippe Castany, Maryline Cornen, I. Thibon, F. Prima, et al.. Texture investigation of the superelastic Ti-24Nb-4Zr-8Sn alloy. Journal of Alloys and Compounds, 2014, 591, pp.85-90. ⟨10.1016/j.jallcom.2013.12.207⟩. ⟨hal-00941895⟩
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