Carbide transformations in Cr−Mo steels in the process of long-term aging and operation

Chromium-molybdenum steels are widely used in machine-building as a material for pipes for different purposes. They operate at elevated temperatures for long durations and undergo structural changes that can worsen their mechanical properties. For this reason, it is interesting to study their struct...

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Bibliographic Details
Published in:Metal science and heat treatment 1997-09, Vol.39 (9), p.371-375
Main Authors: Pigrova, G. D., Sedov, V. M., Archakov, Yu. I.
Format: Article
Language:English
Subjects:
Alloys
Carbides
Chromium
Chromium carbide
Heat treatment
Mechanical properties
Metallurgy
Molybdenum
Structural steels
Transformations
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Summary:Chromium-molybdenum steels are widely used in machine-building as a material for pipes for different purposes. They operate at elevated temperatures for long durations and undergo structural changes that can worsen their mechanical properties. For this reason, it is interesting to study their structural changes as a function of the temperature and time of aging or operation in order to determine the regular features of the redistribution of the alloying elements in the process of phase transformations. The given work is devoted to carbide transformations in steels with different contents of chromium and molybdenum in the process of aging after heat treatment and in the process of long-term operation in industrial installations.[PUBLICATION ABSTRACT]
ISSN:0026-0673
1573-8973
DOI:10.1007/BF02469060