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.

引用

页数：6

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