Materials Transactions Online

Materials Transactions, Vol.60 No.09 (2019) pp.1779-1784
© 2019 The Japan Institute of Metals and Materials

Preparation of Titanium Alloy/Bioactive Glass Composite for Biomedical Applications via Selective Laser Melting

Sungho Lee1, Jong Yeong Oh1, Soichiro Mukaeyama1, Shi-Hai Sun1, 2 and Takayoshi Nakano1

1Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University, Suita 565-0871, Japan
2Anisotropic Design & Additive Manufacturing Research Center, Osaka University, Suita 565-0871, Japan

Selective laser melting (SLM) is widely used for the additive manufacturing (AM) of metal components, which can produce net shape complex geometries. Novel titanium alloy/bioactive glass composites were successfully fabricated via SLM method for biomedical applications. The fabricated composites contained a TiSi phase, which resulted from the reaction between the titanium alloy and the bioactive glass. The phase can improve the bonding strength between composite and bone. Additionally, the remained amorphous bioactive glass phase could improve bioactivity. The present study opens a new avenue for developing new titanium alloy/bioactive glass composites with optimal bioactivity and bonding strength with the bone.


(Received 2019/02/04; Accepted 2019/04/18; Published 2019/08/25)

Keywords: biomaterial, Ti-6Al-4V, Bioglass 45S5, composite, selective laser melting

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