HOT ISOSTATIC PRESSING OF SENDUST METAL POWDERS

被引：2
|
作者：
IMAIDA, Y [1 ]
TAKAGAWA, M [1 ]
KIRIMURA, T [1 ]
HIROTA, K [1 ]
YAMAGUCHI, O [1 ]
KAKITSUJI, A [1 ]
MIYAMOTO, H [1 ]
机构：
[1] OSAKA PREFECTURAL INST IND TECHNOL,OSAKA 550,JAPAN
来源：
MATERIALS RESEARCH BULLETIN | 1992年 / 27卷 / 06期
关键词：
SENDUST;
D O I：
10.1016/0025-5408(92)90072-8
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Sendust metal (Fe-9.56wt%Si-5.47wt%Al) powders have been isostatically hot pressed and the mechanical properties of sintered bodies with various porosities examined at room temperature. Vickers hardness decreases linearly with increasing porosity. The porosity dependence of bending and compressive strengths is expressed by the equation sigma=sigma(o)exp(-np); sigma(o)=540 MPa for the former and sigma(o)=2800 MPa for the latter are determined, respectively, whereas the same value of n=0.22 is estimated from both strength-porosity data. Young's modulus is 300 GPa for sintered bodies with nearly theoretical density.
引用
收藏
页码：661 / 668
页数：8
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