J 2001

Phase Diagram in Iron-rich Corner of the Fe-Cr-Mo-V-C System below 1000 K

KROUPA, Aleš, Jitka HAVRÁNKOVÁ, Martina COUFALOVÁ, Milan SVOBODA, Jan VŘEŠŤÁL et. al.

Basic information

Original name

Phase Diagram in Iron-rich Corner of the Fe-Cr-Mo-V-C System below 1000 K

Authors

KROUPA, Aleš, Jitka HAVRÁNKOVÁ, Martina COUFALOVÁ, Milan SVOBODA and Jan VŘEŠŤÁL

Edition

Journal of Phase Equilibria, Ohio, ASM International, 2001, 1054-9714

Other information

Language

English

Type of outcome

Článek v odborném periodiku

Field of Study

20303 Thermodynamics

Country of publisher

United States of America

Confidentiality degree

není předmětem státního či obchodního tajemství

Impact factor

Impact factor: 0.553

RIV identification code

RIV/00216224:14330/01:00005346

Organization unit

Faculty of Informatics

Keywords in English

Thermodynamics; Phase Diagrams; Iron; Chromium; Molybdenum; Vanadium; Carbon
Změněno: 24/5/2002 09:27, RNDr. JUDr. Vladimír Šmíd, CSc.

Abstract

V originále

Relevant experimental phase equilibria were used with the THERMOCALC program to refine thermodynamic parameters for low-temperature region, in the steels with composition 0.4 to 2.5 wt.% Cr, 0 to 1 wt.% Mo, and 0 to 0.5 wt.% V. The refined parameters were used to calculate phase relationships, which were then compared with experimental results. Results of experiments indicate that M7C3 replaces M23C6 carbides in the temperature region betweeen 773 and 873 K. Similar behavior was also found for molybdenum-rich phases M6C and M2C. Some modifications of existing thermodynamic parameters in the low temperature region were necessary.

Links

GA106/00/0174, research and development project
Name: Termodynamika rovnovážných stavů a kinetika fázových transformací v soustavách přechodových kovů s N a C
Investor: Czech Science Foundation, The thermodynamics of equilibrium states and kinetics of phase transformations in the transition metals based systems with N and C
GA106/00/0855, research and development project
Name: Kinetika precipitace karbidů v Cr-Mo ocelích
Investor: Czech Science Foundation, Kinetics of carbide precipitation in Cr-Mo steels