Influence of a short thermal treatment on the superelastic properties of a titanium-based alloy

The effect of a very short aging treatment (360 s at 873 K) on the superelastic properties has been investigated on the ternary Ti–20Nb–6Zr (at.%) titanium-based alloy. Such short thermal treatment is shown to be an efficient way to obtain a recrystallized microstructure with ultrafine β grains of a...

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Bibliographic Details
Published inScripta materialia Vol. 63; no. 11; pp. 1053 - 1056
Main Authors Sun, F., Nowak, S., Gloriant, T., Laheurte, P., Eberhardt, A., Prima, F.
Format Journal Article
LanguageEnglish
Published Elsevier Ltd 01.11.2010
Elsevier
Subjects
Chemical Sciences
Elastic recovery
Fine-grained microstructure
Grains
Material chemistry
Mechanical properties
Microstructure
Superelasticity
Tensile strength
Thermomechanical processing
Titanium alloys
Titanium base alloys
Titanium alloys
Fine-grained microstructure
Superelasticity
Thermomechanical processing
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Summary:The effect of a very short aging treatment (360 s at 873 K) on the superelastic properties has been investigated on the ternary Ti–20Nb–6Zr (at.%) titanium-based alloy. Such short thermal treatment is shown to be an efficient way to obtain a recrystallized microstructure with ultrafine β grains of about 1–2 μm. In addition, the associated mechanical properties display an outstanding improvement in superelastic properties, with 3.2% of elastic recovery combined with high tensile strength of around 750 MPa.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:1359-6462
1872-8456
DOI:10.1016/j.scriptamat.2010.07.042