NickelMaghrebV1, France, Analysis, bibRecord, 000073

Study of the "All-Round-Effect" generated by aging in traction in a Ni rich TiNi shape memory alloy

Identifieur interne : 000073 ( France/Analysis ); précédent : 000072; suivant : 000074

Study of the "All-Round-Effect" generated by aging in traction in a Ni rich TiNi shape memory alloy

Auteurs : R. Amireche [Algérie] ; M. Morin [France] ; S. Belkahla [Algérie]

Source :

Journal of alloys and compounds [ 0925-8388 ] ; 2012.

RBID : Pascal:12-0102657

Descripteurs français

Pascal (Inist)
- Vieillissement, Transformation martensitique, Calorimétrie différentielle balayage, Haute température, Traitement thermique, Cycle thermique, Transformation phase, Contrainte flexion, Contrainte traction, Contrainte interne, Précipité cohérent, Nickel alliage, Titane alliage, Alliage mémoire forme, Effet mémoire forme double sens.

English descriptors

KwdEn :
- Aging, Bending stress, Coherent precipitate, Differential scanning calorimetry, Heat treatments, High temperature, Internal stresses, Martensitic transformations, Nickel alloys, Phase transformations, Shape memory alloy, Tensile stress, Thermal cycle, Titanium alloys, Two way shape memory effect.

Abstract

Following aging under stress, Ni-rich TiNi shape memory alloys are subject to a two-way shape memory effect known as the "All Round Memory Effect" (ARME). The latter causes a sample to return to its high temperature shape during heating after being spontaneously deformed on cooling during martensitic and R-phase transformations. This effect has been thoroughly studied for stresses in bending. In this work, we were able to generate ARME with tensile stresses, making it possible to make more quantitative measurements of the effect. Application of a static stress opposite spontaneous deformation during cooling also allowed quantifying the magnitude of internal stresses caused by Ti₃Ni₄ coherent precipitates during aging.

Affiliations:

Links toward previous steps (curation, corpus...)

to stream PascalFrancis, to step Corpus: 000106
to stream PascalFrancis, to step Curation: 000335
to stream PascalFrancis, to step Checkpoint: 000073
to stream Main, to step Merge: 000270
to stream Main, to step Curation: 000265
to stream Main, to step Exploration: 000265
to stream France, to step Extraction: 000073

Links to Exploration step

Pascal:12-0102657

Le document en format XML

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<front><div type="abstract" xml:lang="en">Following aging under stress, Ni-rich TiNi shape memory alloys are subject to a two-way shape memory effect known as the "All Round Memory Effect" (ARME). The latter causes a sample to return to its high temperature shape during heating after being spontaneously deformed on cooling during martensitic and R-phase transformations. This effect has been thoroughly studied for stresses in bending. In this work, we were able to generate ARME with tensile stresses, making it possible to make more quantitative measurements of the effect. Application of a static stress opposite spontaneous deformation during cooling also allowed quantifying the magnitude of internal stresses caused by Ti<sub>3</sub>
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Study of the "All-Round-Effect" generated by aging in traction in a Ni rich TiNi shape memory alloy

Study of the "All-Round-Effect" generated by aging in traction in a Ni rich TiNi shape memory alloy

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri