On the miscibility gap at 800 K in the Fe-Cr alloy system

被引：6
|
作者：
Dubiel, S. M. [1 ]
Zukrowski, J. [2 ]
机构：
[1] AGH Univ Sci & Technol, Fac Phys & Appl Comp Sci, Al A Mickiewicza 30, PL-30059 Krakow, Poland
[2] AGH Univ Sci & Technol, Acad Ctr Mat & Nanotechnol, Al A Mickiewicza 30, PL-30059 Krakow, Poland
来源：
MATERIALS RESEARCH EXPRESS | 2019年 / 6卷 / 02期
关键词：
Fe-Cr alloys; miscibility gap; Mossbauer spectroscopy; THERMODYNAMIC PROPERTIES; PHASE-DECOMPOSITION; MOSSBAUER;
D O I：
10.1088/2053-1591/aaf18d
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Issues pertinent to the miscibility gap at 800 Kin a Fe73.7Cr26.3 alloy viz. the kinetics of the phase decomposition and borders of the latter were investigated by means of the Mossbauer-effect spectroscopy. The kinetics was revealed to well follow the Johnson-Mehl-Avrami-Kolgomarov equation testifying to a nucleation and growth mechanism underlying the decomposition. A solubility limit of Cr in the Fe matrix was determined to be 17.3(6) at% and that of Fe in the Cr matrix was found as equal to 18.5(9) at%. The results obtained have been compared with various theoretical predictions.
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页数：6
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