Mechanical properties of Fe-Al-M-C (M = Ti, V, Nb, Ta) alloys with strengthening carbides and Laves phase

被引：89
|
作者：
Falat, L [1 ]
Schneider, A [1 ]
Sauthoff, G [1 ]
Frommeyer, G [1 ]
机构：
[1] Max Planck Inst Eisenforsch GmbH, D-40237 Dusseldorf, Germany
来源：
INTERMETALLICS | 2005年 / 13卷 / 12期
关键词：
iron aluminides (based on Fe3Al); Laves phases; mechanical properties at high temperatures; mechanical properties at ambient temperature; precipitates;
D O I：
10.1016/j.intermet.2004.05.010
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The mechanical properties of Fe-15Al (in at.%) and Fe-26Al based alloys with alloying additions are investigated. The alloys contain I at.% C and 2 or 4 at.% Ti, V, Nb or Ta. Preliminary information on the mechanical properties of the investigated alloys is provided by means of hardness tests. The mechanical testing of alloys is carried out in compression as well as in tension. Compression tests are carried out at room temperature and at elevated temperatures including the temperature range of the yield stress anomaly. The tensile tests are performed in order to determine the room temperature ductility and high temperature tensile strength at temperatures of possible industrial applications. The investigation of the fracture surfaces of ruptured tensile specimens is performed by means of scanning electron microscopy (SEM). (c) 2005 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1256 / 1262
页数：7
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