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J Mater Sci Mater Med. 2019 Mar 6;30(3):37. doi: 10.1007/s10856-019-6238-6.

Properties of reduced graphene/carbon nanotubes reinforced calcium phosphate bone cement in a microwave environment.

Wang S1,2, Sun X3,4, Wang Y1,2, Sun K5,6, Bi J1,2.

Author information

1
Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials (Ministry of Education), Shandong University, Ji'nan, 250061, People's Republic of China.
2
Key Laboratory of Engineering Ceramics, Shandong University, Ji'nan, 250061, People's Republic of China.
3
Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials (Ministry of Education), Shandong University, Ji'nan, 250061, People's Republic of China. sava1982@163.com.
4
Key Laboratory of Engineering Ceramics, Shandong University, Ji'nan, 250061, People's Republic of China. sava1982@163.com.
5
Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials (Ministry of Education), Shandong University, Ji'nan, 250061, People's Republic of China. sunkangning@sdu.edu.cn.
6
Key Laboratory of Engineering Ceramics, Shandong University, Ji'nan, 250061, People's Republic of China. sunkangning@sdu.edu.cn.

Abstract

In this work, the setting process of reduced graphene (RGO)/carbon nanotubes (CNTs) reinforced calcium phosphate cement (CPC) were conducted in a microwave environment. The introduction of microwave can increase the reaction temperature, speed up the vibration of water molecules and eliminate bubbles from the interface between RGO, CNTs and the substrate. Comparing with CPC without microwave treatment, the final setting time of composites after microwave treatment are almost a half, the flexural strength and the compressive strength are increased by 19.86% and 21.68% respectively, which are 17.38 MPa and 104.52 MPa. Meanwhile, the CPC composites remain the excellent bioactivity.

PMID:
30840152
DOI:
10.1007/s10856-019-6238-6

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