EFFECT OF POROSITY ON COMPRESSIVE STRENGTH OF POROUS NiTi ALLOY FABRICATED BY POWDER METALLURGY

被引：0
|
作者：
Kaya, Mehmet [1 ]
Orhan, Nuri [1 ]
Somunkiran, Ilyas [1 ]
机构：
[1] Firat Univ, Teknik Egitim Fak, Met Egitimi Bolumu, TR-23119 Elazig, Turkey
来源：
JOURNAL OF THE FACULTY OF ENGINEERING AND ARCHITECTURE OF GAZI UNIVERSITY | 2008年 / 23卷 / 04期
关键词：
Porous NiTi; powder metallurgy; SHS; compressive strength; implant material;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Porous NiTi alloy samples to be used as implant material were synthesized in different porosities through a powder metallurgical method, self-propagating high-temperature (SHS) synthesis. The powder blend composing Ni and at%49.5Ti was mixed 24 hours and cold pressed under different pressures. The green compacts were heated in a furnace up to 200 degrees C under a high purity argon gas protective atmosphere and then ignited by applying a high electrical voltage. It was found that open and closed cell pores formed in different percentages and shapes. In addition; increasing cold compaction pressure applied reduced the porosity levels and increased the compressive strength of the porous compacts synthesized.
引用
收藏
页码：931 / 936
页数：6
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