Evolution of secondary phases in Cr-V low-alloy steels during aging

被引：12
|
作者：
Janovec, J [1 ]
Vyrostková, A
Svoboda, M
Kroupa, A
Grabke, HJ
机构：
[1] Inst Met & Technol, Ljubljana 1001, Slovenia
[2] Slovak Acad Sci, Mat Res Inst, Kosice 04353, Slovakia
[3] Acad Sci Czech Republ, Inst Phys Mat, Brno 61662, Czech Republic
[4] Max Planck Inst Eisenforsch GmbH, D-40237 Dusseldorf, Germany
来源：
METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE | 2004年 / 35A卷 / 03期
关键词：
D O I：
10.1007/s11661-004-0003-1
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The influence of both bulk vanadium content and aging conditions on the evolution of secondary phases in Cr-V low-alloy steels was studied. Three 0.1C-0.9Cr-V steels with different vanadium contents (0, 0.258, and 0.512 wt pet) were aged for 100 to 5,000 hours at 773, 853, 953, and 993 K. In the investigation, a limited experimental program (transmission electron microscopy (TEM)) was combined with credible thermodynamic predictions (ThermoCalc). Going out from the good agreement between the predicted and experimental results, behavior of the iron-rich M7C3 carbide in time-temperature scale was characterized. The influence of bulk vanadium content was determined on appearance of the M3C carbide in equilibrium, temperature of the M7C3 carbide precipitation, metal compositions Of M3C or M7C3 carbides, and vanadium portion in the metallic part of the MX phase.
引用
收藏
页码：751 / 759
页数：9
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