The effect of time-temperature exposures on chemical composition of carbide M23C6 in 12CrMoV steel

被引：0
|
作者：
Záhumensky, P
Homolová, V
Svoboda, M
Janovec, J
机构：
[1] UMV SAV, Kosice 04353, Slovakia
[2] UPJS, Katedra Expt Fyz PF, Kosice 04154, Slovakia
[3] AV CR, Ustav Fyz Materialu, Brno 61662, Czech Republic
来源：
KOVOVE MATERIALY-METALLIC MATERIALS | 2000年 / 38卷 / 04期
关键词：
ferritic steels; carbide precipitation; M23C6; composition;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this paper the effect of temperature and time on M23C6 carbide chemical composition changes is investigated in the temperature range 550-650 degrees C from 100 to 5000 hours. The chemical composition of M23C6 carbides in the steel has been evaluated by means of energy dispersive X-ray analysis (EDX). Experimentally measured results are compared with those obtained by calculations using Hillert-Staffansson model. In the examined time-temperature range the M23C6 carbide was found to achieve the equilibrium composition at the temperature of 650 degrees C after 5000 hours.
引用
收藏
页码：269 / 279
页数：11
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