Effect of casting conditions on microstructure and mechanical properties of high-strength Zr73.5Nb9CU7Ni1Al9.5 in situ composites

被引：59
|
作者：
Das, J
Güth, A
Klauss, HJ
Mickel, C
Löser, W
Eckert, J
Roy, SK
Schultz, L
机构：
[1] IFW Dresden, Inst Met Werkstoffe, D-01171 Dresden, Germany
[2] Indian Inst Technol, Dept Met & Mat Engn, Kharagpur 721302, W Bengal, India
来源：
SCRIPTA MATERIALIA | 2003年 / 49卷 / 12期
关键词：
Zr-alloys; solidification; composites; nanocrystalline microstructure; mechanical properties;
D O I：
10.1016/j.scriptamat.2003.08.015
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
A novel Zr73.5Nb9Cu7Ni1Al9.5 composite consisting of dendrites in a nanocrystalline/amorphous matrix was developed. Room temperature compression tests reveal an unusual combination of high strength (1740 MPa) and ductility (4.0-17.5% strain to failure), which sensitively depends on bimodal size distribution of the phases and the casting technique employed. (C) 2003 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：1189 / 1195
页数：7
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