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真空吸鑄法制備(HA+β-TCP)/Mg-3Zn相互滲透復合材料的組織和性能
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哈爾濱工程大學教育部超輕材料與表面技術(shù)重點實驗室,哈爾濱工程大學教育部超輕材料與表面技術(shù)重點實驗室,哈爾濱工程大學教育部超輕材料與表面技術(shù)重點實驗室,哈爾濱理工大學材料科學與工程學院,哈爾濱工程大學教育部超輕材料與表面技術(shù)重點實驗室

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TB333

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國家自然科學基金(51101039)


Microstructure and properties of interpenetrating (HA+β-TCP)/Mg-3Zn composites fabricated by suction casting
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Affiliation:

Institute of corrosion science and surface technology,Key Laboratory of Superlight Material and Surface Technology,Ministry of Education,Harbin Engineering University,Institute of corrosion science and surface technology,Key Laboratory of Superlight Material and Surface Technology,Ministry of Education,Harbin Engineering University,Institute of corrosion science and surface technology,Key Laboratory of Superlight Material and Surface Technology,Ministry of Education,Harbin Engineering University,School of Materials Science and Engineering,Harbin University of Science and Technology,Institute of corrosion science and surface technology,Key Laboratory of Superlight Material and Surface Technology,Ministry of Education,Harbin Engineering University

Fund Project:

The National Natural Science Foundation of China

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    摘要:

    采用真空吸鑄法通過將Mg-3Zn合金滲透到HA含量不同的多孔HA+β-TCP中制備了生物醫(yī)用相互滲透（HA+β-TCP）/Mg-3Zn復合材料，研究了復合材料的顯微組織、力學性能和腐蝕行為。研究結(jié)果表明，熔融的Mg-3Zn合金不僅滲入到多孔HA+β-TCP骨架的孔隙里，也滲入到筋里，形成了致密的復合材料。Mg-3Zn合金與HA+β-TCP骨架界面結(jié)合良好，未發(fā)現(xiàn)反應(yīng)層。HA含量不同的(HA+β-TCP)/Mg-3Zn復合材料的壓縮強度為115 ~196 MPa，是多孔HA+β-TCP骨架的350倍以上，相當于Mg-3Zn塊體合金強度的44 %~75 %，復合材料的耐腐蝕性能優(yōu)于Mg-3Zn塊體合金的，且機械性能和腐蝕行為均可以通過調(diào)節(jié)HA/β-TCP的比例進行控制。

    Abstract:

    The interpenetrating (HA+β-TCP)/Mg-3Zn composites were fabricated by infiltrating Mg-3Zn alloy into porous HA+β-TCP with different HA content using suction casting technique, the microstructure, mechanical properties and corrosion behaviors of the composites have been evaluated. It presented that the molten Mg-3Zn alloy had infiltrated not only into the pores but also into the struts of the porous HA+β-TCP scaffold to forming a compact composite. The Mg-3Zn alloy contacted to the HA+β-TCP scaffold closely, and no reaction layer can be found. The compressive strength of the (HA+β-TCP)/Mg-3Zn composite with different HA content were 115~196 MPa, which were about 350-fold higher than that of the original porous HA+β-TCP scaffold and 44 %-75 % of the strength of the Mg-3Zn bulk alloy. The corrosion resistance of the composites was better than that of the Mg-3Zn bulk alloy, and the mechanical and corrosive behavior of the composites were controled by the choice of HA /β-TCp ratio.

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王香,聶其東,李競濤,馬旭梁,李新林.真空吸鑄法制備(HA+β-TCP)/Mg-3Zn相互滲透復合材料的組織和性能[J].稀有金屬材料與工程,2018,47(10):3080~3087.[WANG Xiang, NIE Qi-dong, LI Jing-tao, MA Xu-liang, LI Xin-lin. Microstructure and properties of interpenetrating (HA+β-TCP)/Mg-3Zn composites fabricated by suction casting[J]. Rare Metal Materials and Engineering,2018,47(10):3080~3087.]
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  • 收稿日期:2016-12-09
  • 最后修改日期:2018-08-27
  • 錄用日期:2017-03-16
  • 在線發(fā)布日期: 2018-11-08
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