Preparation and characterization of porous magnesium materials

刘希琴; 刘子利; 张晓红; 丰俊东; 俞挞汐

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Preparation and characterization of porous magnesium materials

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＜正＞The proper spacer material and the preparation technology for biological compatible porous magnesium materials were explored by the powder metallurgy method, and microstructures, porosity and mechanical properties of sintered porous magnesium were investigated. The results show that compared with spacer materials of NH4CO3, NH3Cl and carbamide, NH4CO3 is the best one for preparation of sintered porous magnesium,and the worst one is NH3Cl.The isolated blind pores are formed mainly by the particle interval of the magnesium powders. Adding spacer material favors the formation of open pores, while has little contribution to the formation of blind pores. The overall porosity and porosity of open pore of the sintered porous magnesium increase with the increase of added spacer material, while decrease with the increase of the molding stress. The mechanical properties of sintered porous magnesium increase with decreasing addition of spacer material and increasing molding stress.

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《中国有色金属学报：英文版》 |2006年第s3期|1859-1863|共5页
作者
刘希琴; 刘子利; 张晓红; 丰俊东; 俞挞汐;
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作者单位

College of Materials Science and Engineering Nanjing University of Aeronautics and Astronautics;

Nanjing 210016;

China;

College of Materials Science and Engineering;

Nanjing University of Aeronautics and Astronautics;

Nanjing 210016;

China;

College of Materials;

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原文格式 PDF
正文语种 chi
中图分类 TB383.4;
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机译：多孔镁;粉末冶金;垫片材料;微观结构;孔隙率;力学性能;

Preparation and characterization of porous magnesium materials

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