Study on effect of rare earths on the mechanical and biological activity of HA/Ti composites

Fan Xingping; Yang Cheng

doi:10.7513/j.issn.1004-7638.2023.06.011

Volume 44 Issue 6

Dec. 2023

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Fan Xingping, Yang Cheng. Study on effect of rare earths on the mechanical and biological activity of HA/Ti composites[J]. IRON STEEL VANADIUM TITANIUM, 2023, 44(6): 76-80. doi: 10.7513/j.issn.1004-7638.2023.06.011

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Fan Xingping, Yang Cheng. Study on effect of rare earths on the mechanical and biological activity of HA/Ti composites[J]. IRON STEEL VANADIUM TITANIUM, 2023, 44(6): 76-80. doi: 10.7513/j.issn.1004-7638.2023.06.011

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Study on effect of rare earths on the mechanical and biological activity of HA/Ti composites

doi: 10.7513/j.issn.1004-7638.2023.06.011

School of Vanadium and Titanium, Panzhihua University, Panzhihua 617000, Sichuan, China

Received Date: 2023-03-21
Available Online: 2024-01-11
Publish Date: 2023-12-30

Abstract

Abstract

In order to further improve the properties of HA/Ti composite materials, using HA powder and commercial Ti powder as raw materials, adding a certain amount of different rare earth complexes (CeO_2, LaF₃ and SrO), a rare earth reinforced HA/Ti biological composite material was prepared by powder metallurgy method. The effects of three rare earth elements on the microstructure, mechanical properties, and biological activity of HA/Ti composites were investigated using X-ray diffraction (XRD), scanning electron microscopy (SEM), metallographic microscopy and universal mechanical testing machines. The results show that the mechanical properties of the three composites obtained by adding 0.3% CeO₂, LaF₃, and SrO rare earth compounds are improved, with compressive strengths of 47, 91 MPa, and 40 MPa, respectively, while the compressive strength of the HA/Ti composite without adding rare earth compounds is only 34 MPa. Moreover, LaF₃ can further improve the biological activity of the composite material, but adding CeO₂ and SrO cannot improve its biological activity.
- HA/Ti compound material,
- powder metallurgy,
- rare earth,
- compressive strength,
- biological activity

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References(16)

References

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