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Transformation behavior and superelastic properties of Ti-Ni-Ag scaffolds prepared by sintering of alloy fibers
- Authors
- Li, Shuanglei; Kim, Yeon-wook; Nam, Tae-hyun
- Issue Date
- Aug-2018
- Publisher
- PERGAMON-ELSEVIER SCIENCE LTD
- Keywords
- Ti-Ni-Ag alloy; Rapid solidification; Sintering; Porous material; Superelasticity
- Citation
- SCRIPTA MATERIALIA, v.153, pp 23 - 26
- Pages
- 4
- Indexed
- SCI
SCIE
SCOPUS
- Journal Title
- SCRIPTA MATERIALIA
- Volume
- 153
- Start Page
- 23
- End Page
- 26
- ISSN
- 1359-6462
- Abstract
- Ti-503Ni-0.7Ag (at.%) scaffolds were prepared by sintering of rapidly solidified alloy fibers. The sintered scaffolds possessed high porosity of 80% and large pores of 150-600 mu m in size. The yield strength of the scaffold after annealed at 723 K for 3.6 ks was about 2.4 MPa. Ti-Ni-Ag scaffolds had an elastic modulus of 0.8 GPa, similar to that of spongy bone, and exhibited good superelasticity with total recovery strain of 3.4% when 4% pre-strain was loaded at human body temperature. Stable superelastic behavior with complete shape recovery was observed during cyclic deformation in scaffolds. (C) 2018 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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Collections - 공학계열 > Dept.of Materials Engineering and Convergence Technology > Journal Articles
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