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A thermo-mechanical treatment to improve the superelastic performances of biomedical Ti-26Nb and Ti-20Nb-6Zr (at.%) alloys
Sun, F.1,2; Hao, Y. L.3; Nowak, S.1; Gloriant, T.4; Laheurte, P.5; Prima, F.1
Corresponding AuthorPrima, F.(fredericprima@chimie-paristech.fr)
2011-11-01
Source PublicationJOURNAL OF THE MECHANICAL BEHAVIOR OF BIOMEDICAL MATERIALS
ISSN1751-6161
Volume4Issue:8Pages:1864-1872
AbstractA flash-thermal treatment technique has been developed very recently to improve both the critical stress to induce the martensitic transformation (MT) and the recoverable deformation of the metastable beta type titanium alloys. In this paper, this strategy is applied to both Ti-26Nb and Ti-20Nb-6Zr (at.%) alloys. Since both alloys have identical martensite start (Ms) temperature, it makes possible to investigate the effect of Zr on mechanical properties after the flash-thermal treatment. It is clearly shown that a flash treatment of 360 s at 873 K on heavily cold-rolled samples results in good balance between the tensile strength, the ductility and the recoverable strains. Such contribution is more significant in the ternary alloy in which balanced properties combining high martensitic critical stress over 400 MPa and the large fully recoverable strains up to 3.0% can be achieved. These improvements are due to the flash treatment effects, resulting in ultra-fine beta grains with sizes 1-2 mu m with nano-sized alpha and omega phases precipitation in the beta matrix. (C) 2011 Elsevier Ltd. All rights reserved.
KeywordTitanium alloys Thermo-mechanical treatment Superelasticity Microstructure Transmission electron microscopy
Funding OrganizationFrench National Research Agency
DOI10.1016/j.jmbbm.2011.06.003
Indexed BySCI
Language英语
Funding ProjectFrench National Research Agency[ANR 08MAPR 0017]
WOS Research AreaEngineering ; Materials Science
WOS SubjectEngineering, Biomedical ; Materials Science, Biomaterials
WOS IDWOS:000298764700028
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:96[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/105004
Collection中国科学院金属研究所
Corresponding AuthorPrima, F.
Affiliation1.ENSCP, Lab Physicochim Surfaces, Grp Met Struct, UMR 7045, F-75231 Paris 05, France
2.China Univ Geosci, Fac Mat Sci & Chem Engn, Wuhan 430074, Peoples R China
3.Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang 110016, Peoples R China
4.INSA Rennes, CNRS, UMR Sci Chim Rennes Chim Met 6226, F-35043 Rennes, France
5.Univ Metz, LETAM, CNRS, FRE 3143, Metz, France
Recommended Citation
GB/T 7714
Sun, F.,Hao, Y. L.,Nowak, S.,et al. A thermo-mechanical treatment to improve the superelastic performances of biomedical Ti-26Nb and Ti-20Nb-6Zr (at.%) alloys[J]. JOURNAL OF THE MECHANICAL BEHAVIOR OF BIOMEDICAL MATERIALS,2011,4(8):1864-1872.
APA Sun, F.,Hao, Y. L.,Nowak, S.,Gloriant, T.,Laheurte, P.,&Prima, F..(2011).A thermo-mechanical treatment to improve the superelastic performances of biomedical Ti-26Nb and Ti-20Nb-6Zr (at.%) alloys.JOURNAL OF THE MECHANICAL BEHAVIOR OF BIOMEDICAL MATERIALS,4(8),1864-1872.
MLA Sun, F.,et al."A thermo-mechanical treatment to improve the superelastic performances of biomedical Ti-26Nb and Ti-20Nb-6Zr (at.%) alloys".JOURNAL OF THE MECHANICAL BEHAVIOR OF BIOMEDICAL MATERIALS 4.8(2011):1864-1872.
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