Effect of Controlled Porosity on the Mechanical Properties of Ti-Zr-Sn-Mo Biomedical Alloys

• Autorzy: Kim Yeon-Wook , Erlangga Bagus D. , Do Dalhyun , Lee Seong-Min

Identyfikatory

DOI

10.24425/amm.2020.133696

• Języki publikacji: EN

Abstrakty

EN

In this study, a simple and effective way to fabricate highly porous scaffolds with controlled porosity and pore size is demonstrated. Ti-7Zr-6Sn-3Mo shape memory alloy fibers were prepared through a melt overflow process. The scaffolds with porosity of 65-85% and large pores of 100-700 μm in size were fabricated by sintering the as-solidified fibers. Microstructures and transformation behaviors of the porous scaffolds were investigated by means of SEM, DSC and XRD. The scaffolds were composed of β phase at room temperature. Superelasticity with the superelastic recovery strain of 7.4% was achieved by β↔α”phase transformation. An effect of porosity on mechanical properties of porous scaffolds was investigated by using compressive test. As the porosity increased from 65% to 85%, elastic modulus and compressive strength decreased from 0.95 to 0.06 GPa and from 27 to 2 MPa, respectively.

Słowa kluczowe

EN

Ti-Zr-Sn-Mo alloy; porous scaffolds; biomedical materials; shape memory alloys

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2020
• Tom: Vol. 65, iss. 4
• Strony: 1341--1344
• Opis fizyczny: Bibliogr. 17 poz., fot., rys.

Twórcy

autor

Kim Yeon-Wook

• Keimyung University, Department of Advanced Materials Engineering, 1000 Shindang-dong Dalseo-gu, Daegu 704-701, Korea

autor

Erlangga Bagus D.

• Keimyung University, Department of Advanced Materials Engineering, 1000 Shindang-dong Dalseo-gu, Daegu 704-701, Korea

autor

Do Dalhyun

• Keimyung University, Department of Advanced Materials Engineering, 1000 Shindang-dong Dalseo-gu, Daegu 704-701, Korea

autor

Lee Seong-Min

• University of Incheon, Incheon, Republic of Korea

Bibliografia

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Uwagi

EN

1. This research was supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education, Science and Technology (2017R1A2B4005693).

PL

2. Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).