Investigation of the hardness and enthalpy of formation of the Sigma phase and the phase equilibria in the Cr-Co-Mn system

被引：2
|
作者：
Kuzovchikov, S. [1 ]
Bajenova, I. [1 ]
Khvan, A. [1 ,2 ]
Cheverikin, V. [1 ,2 ]
机构：
[1] NUST MISIS, Thermochemistry Mat Sci Res Ctr, Moscow, Russia
[2] Moscow MV Lomonosov State Univ, Dept Chem, Phys Chem Div, Lab Chem Thermodynam, Moscow 199991, Russia
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2023年 / 964卷
基金：
俄罗斯科学基金会;
关键词：
Transition metal alloys and compounds; Microstructure; Mechanical properties; Phase diagrams; Calorimetry; Thermal analysis; THERMODYNAMIC EVALUATION; ALLOYS; CHROMIUM; FE;
D O I：
10.1016/j.jallcom.2023.171263
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Phase transformations of the Cr-Co-Mn system have been studied using DTA, X-ray diffraction (XRD), scanning electron microscopy (SEM) and electron probe microanalysis (EPMA). Liquidus and solidus projections, a melting diagram and Scheil reaction scheme in the whole concentration range have been constructed. Enthalpy of formation of equimolar & sigma; phase was obtained using drop-solution calorimetry. Composition dependency of microhardness for single-phase & sigma; alloys was obtained.
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页数：13
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