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崔泽琴,李伟健,马丽莉,杨蕊鸿,宫殿清.放电等离子烧结制备医用多孔锌镁合金的孔隙特征和力学行为[J].稀有金属材料与工程(英文),2020,49(5):1576~1582.[Cui Zeqin,Li Weijian,Ma Lili,Yang Ruihong and Gong Dianqing.Pore Characteristics and Mechanical Behavior of spark plasma sintered porous Zn-Mg alloy for Biomedical Applications[J].Rare Metal Materials and Engineering,2020,49(5):1576~1582.]
Pore Characteristics and Mechanical Behavior of spark plasma sintered porous Zn-Mg alloy for Biomedical Applications
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Received:January 07, 2019  Revised:February 26, 2019
DOI:
Key words: porous zinc-based alloy  spark plasma sintering (SPS)  porous structure  mechanical properties  
Foundation item:国家自然科学基金项目(面上项目No.?51305292);山西省自然科学基金(No. 201801D221081)
Author NameAffiliation
Cui Zeqin,Li Weijian,Ma Lili,Yang Ruihong and Gong Dianqing  
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Abstract:
      In this study, porous Zn-xMg alloy scaffolds (x=5,10 and 15 wt.%) were fabricated as bone tissue engineering scaffold by spark plasma sintering (SPS) using same volume content space holder (NaCl). The effect of content of Mg on the mechanical properties, microstructural characterizations of the porous Zn-xMg alloys scaffold were revealed. Results showed that with increasing content of Mg, the porosity increased from 40.3% to 54.3% and the mean open pore size increased from 289 μm to 384 μm due to the dealloying effect of Mg. Mechanical tests results showed that porous Zn-Mg alloy was a typical elastic-brittle metallic foam and porous Zn-10Mg was best among three scaffolds. The strength and elastic module of the scaffolds showed good biomechanical compatibility and had the promising to be used as a lower load-bearing implant material.