MOSSBAUER STUDY OF THE KINETIC-BEHAVIOR OF ANOMALOUS AUSTENITE FORMATION IN FE-12CR-4NI STEEL

被引：4
|
作者：
VARGA, I
KUZMANN, E
KALDOR, M
VERTES, A
机构：
[1] Department of Nuclear Chemistry, Eötvös University, Budapest 112, H-1518
来源：
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY-LETTERS | 1992年 / 165卷 / 02期
关键词：
D O I：
10.1007/BF02164262
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Mossbauer spectroscopy was used in order to get information about the anomalous austenite formation1 taking place between 450-600 degrees-C in steel containing 12%Cr and 4%Ni. Even below the equilibrium transition temperature (640-degrees-C) of alpha-->gamma transformation a monotonic increase of the relative spectral area of the line belonging to austenite was observed in the Mossbauer spectra of the steel isothermally aged at 550-degrees-C with increasing ageing time. At the same time, the Cr content of the ferrite phase decreases. Time dependence of the quantity of austenite formed during the isothermal ageing follows the Avrami-kinetics with an exponent n=0.3.
引用
收藏
页码：115 / 126
页数：12
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