Porous titanium implants fabricated by metal injection molding

被引：0
|
作者：
陈良建 [1 ,2 ]
李挺 [1 ]
李益民 [1 ]
何浩 [1 ]
胡幼华 [1 ]
机构：
[1] State Key Laboratory of Powder Metallurgy,Central South University
[2] Department of Stomatology,Third Xiangya Hospital,Central South University
来源：
Transactions of Nonferrous Metals Society of China | 2009年 / 19卷 / 05期
基金：
中国国家自然科学基金;
关键词：
porous titanium; metal injection molding; porosity; compressive strength; elastic modulus;
D O I：
暂无
中图分类号：
TF124.39 [];
学科分类号：
080502 ;
摘要：
Sodium chloride(NaCl)was added as a space holder in synthesis of porous titanium by using metal injection molding(MIM)method.The microstructure and mechanical properties of porous titanium were analyzed by mercury porosimeter, scanning electron microscope(SEM)and compression tester.The results show that the content of NaCl influences the porosity of porous titanium significantly.Porous titanium powders with porosity in the range of 42.4%-71.6%and pore size up to 300μm were fabricated.The mechanical test shows that with increasing NaCl content,the compressive strength decreases from 316.6 to 17.5 MPa and the elastic modulus decreases from 3.03 to 0.28 GPa.
引用
收藏
页码：1174 / 1179
页数：6
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