| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 7207662 | Journal of the Mechanical Behavior of Biomedical Materials | 2017 | 24 Pages |
Abstract
The effect of chemical composition on microstructure and tensile properties of a series of low modulus Ti-Nb-Cu-Ni-Al alloys was studied. These alloys consist of primary micrometer-sized β-Ti dendrites surrounded by intermetallic phases. The morphology of the intermetallic phases is strongly affected by composition. Due to the composite microstructure, the alloys exhibit a low Young's modulus (77-84 GPa) together with a high yield strength of about 1000 MPa as well as moderate tensile ductility. The results demonstrate that complete substitution of Al by Ti reduces the Young's modulus by 5%. Increasing Nb content at the expense of Ti causes a significant improvement of tensile ductility.
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Authors
I.V. Okulov, A.S. Volegov, H. Attar, M. Bönisch, S. Ehtemam-Haghighi, M. Calin, J. Eckert,