Preparation and biocompatibility of Fe50Ni50p/HAP/PEEK biocomposites with weak magnetic properties

Dengyu Liu; Zhenghou Zhu; Jia Zhou; Hui Zhao; Jie Chen; Ruru Bai; Qianying Lin; Manikandan Alagarsamy

doi:10.1039/c9ra00719a

Preparation and biocompatibility of Fe₅₀Ni₅₀p/HAP/PEEK biocomposites with weak magnetic properties

RSC Adv. 2019 Mar 29;9(18):10081-10090. doi: 10.1039/c9ra00719a. eCollection 2019 Mar 28.

Authors

Dengyu Liu¹, Zhenghou Zhu¹, Jia Zhou², Hui Zhao², Jie Chen¹, Ruru Bai¹, Qianying Lin¹, Manikandan Alagarsamy³

Affiliations

¹ School of Materials Science & Engineering, Nanchang University Nanchang 330031 China z00708@sina.com.
² Institute of Space Science and Technology, Nanchang University Nanchang 330031 China 303248527@qq.com.
³ Nanchang University School of Medicine Nanchang 330031 China.

Abstract

Hydroxyapatite (HAP)/polyetheretherketone (PEEK) composites are widely used in the new generation of bone implant materials. The use of weak magnetic fields can promote the biocompatibility of PEEK materials. In this paper, Fe₅₀Ni₅₀ alloy nanopowders and Fe₅₀Ni₅₀/HAP/PEEK composites were prepared by liquid phase chemical reduction and liquid phase mixing. The prepared Fe₅₀Ni₅₀ alloy nanopowders have a particle size of about 100 nm and good chemical activity and magnetic properties. The saturation magnetization (M _s) of the Fe₅₀Ni₅₀ alloy powders is 70 emu g^-1. Fe₅₀Ni₅₀ nano-powders in Fe₅₀Ni₅₀/HAP/PEEK composites are uniformly distributed in the matrix in the form of individual particles, achieving nano-level dispersion. With the increase of Fe₅₀Ni₅₀ alloy powders content, the magnetic properties of the composites are significantly enhanced. The biocompatibility of Fe₅₀Ni₅₀/HAP/PEEK composites is significantly better than that of PEEK and HAP/PEEK materials. The 2% Fe₅₀Ni₅₀/HAP/PEEK composite has the best comprehensive performance, and its biocompatibility is good. The contact angle is only 55.85°. The M _s reaches 1.5 emu g^-1 and the hardness reaches 42 HBa.