Paper Title:

Compressive Properties of Hot-Rolled Mg-Zr-Ca Alloys for Biomedical Applications

Periodical Advanced Materials Research (Volumes 197 - 198)
Main Theme New and Advanced Materials
Edited by Huaiying Zhou, Tianlong Gu, Daoguo Yang, Zhengyi Jiang, Jianmin Zeng
Pages 56-59
DOI 10.4028/
Citation Ying Long Zhou et al., 2011, Advanced Materials Research, 197-198, 56
Online since February, 2011
Authors Ying Long Zhou, Dong Mei Luo, Wang Yu Hu, Yun Cang Li, Peter D. Hodgson, Cui E Wen
Keywords Biomaterial, Compressive Property, Hot Rolling, Mg-Zr-Ca Alloy, Microstructure
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This paper investigated the microstructures and compressive properties of hot-rolled Mg-Zr-Ca alloys for biomedical applications. The microstructures of the Mg-Zr-Ca alloys were examined by X-ray diffraction analysis and optical microscopy, and the compressive properties were determined from compressive tests. The experimental results indicate that the hot-rolled Mg-Zr-Ca alloys with 1% Ca are composed of one single a phase and those alloys with 2% Ca consist of both Mg2Ca and a phase. The hot-rolled Mg-Zr-Ca alloys exhibit typical elongated microstructures with obvious fibrous stripe, and have much higher compressive strength and lower compressive modulus than pure Mg. All the studied alloys have much higher compressive yield strength than the human bone (90~140 MPa) and comparable modulus with the human bone, suggesting that they have a great potential to be good candidates for biomedical applications.

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