Preparation and Characterization of Novel Porous Fe-Si Alloys

被引：3
|
作者：
Wang Jiefeng [1 ]
He Yuehui [1 ,2 ]
Jiang Yao [2 ]
Gao Hanyan [2 ]
Yang Junsheng [2 ]
Gao Lin [3 ]
机构：
[1] Cent S Univ, Sch Met & Environm, Changsha 410083, Hunan, Peoples R China
[2] Cent S Univ, State Key Lab Powder Met, Changsha 410083, Hunan, Peoples R China
[3] Intermet Tecnol Chengdu Co LTD, Chengdu 611731, Peoples R China
来源：
JOURNAL OF WUHAN UNIVERSITY OF TECHNOLOGY-MATERIALS SCIENCE EDITION | 2016年 / 31卷 / 02期
基金：
中国国家自然科学基金;
关键词：
reactive synthesis; porous Fe-Si alloys; pore structure; PRESSURE; ELEMENT; SYSTEM;
D O I：
10.1007/s11595-016-1359-y
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Porous Fe-Si alloys with different nominal compositions ranging from Fe-10wt% Si to Fe-50wt% Si were fabricated through a reactive synthesis of Fe and Si elemental powder mixtures. The effects of Si contents on the pore structure of porous Fe-Si alloy were investigated in detail. The results showed that the open porosity, gas permeability and maximum pore size of the porous Fe-Si alloys increased with increasing Si contents, indicating that the porosity and pore size can be tailored by changing the Si contents. The pore structure parameter including the open porosity, gas permeability, maximum pore size obeyed the Hagen-Poiseuille formula with the constant G=0.035 m(-1)Pa(-1)s(-1) for the reactively synthesized porous Fe-Si alloys. The mechanical property of the porous Fe-Si alloys showed applicability in the filtration industries.
引用
收藏
页码：242 / 247
页数：6
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