Extrusion of nanocomposite Al90Fe5Nd5 characterization of the consolidated powders and material

被引：8
|
作者：
Cardoso, KR
Escorial, AG
Lieblich, M
Botta, WJ
机构：
[1] CSIC, CENIM, Madrid 28040, Spain
[2] UFSCar, DEMa, Sao Carlos, SP, Brazil
[3] UNIVAP, BR-12244000 Sao Jose Dos Campos, SP, Brazil
来源：
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2003年 / 344卷 / 1-2期
关键词：
nanocomposite; aluminium; consolidation; mechanical properties;
D O I：
10.1016/S0921-5093(02)00248-4
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
in this work, a new Al90Fe5Nd5 nanocomposite atomized powder was extruded applying different processing parameters and the resulting bulk material was microstructurally and mechanically characterized. Successful extrusion was obtained for an extrusion ratio of 7:1 and extrusion temperatures of 370 and 450 degreesC. Yield strengths up to 726 MPa were obtained. A linear relationship between hardness and yield strength was found, which would lead to a yield strength as high as 900 MPa for the 25-50 mum powder extruded at 370 degreesC. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：57 / 63
页数：7
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