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Metallurgist
Erschienen in:

10.05.2022

Effect of Copper Content and Heat Treatment Schedules on Mechanical Properties, Cold Resistance, and Microstructural Constituent Morphology in Precipitation-Hardened Steel

verfasst von: M. Yu. Matrosov, A. A. Kholodnyi, D. L. D’yakonov, P. G. Martinov, A. S. Tuftyaev, M. V. Il’ichev

Erschienen in: Metallurgist | Ausgabe 11-12/2022

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Abstract

The effect of copper content in the range of 0.8–1.4% on mechanical properties and cold resistance of low-alloy precipitation-hardening steel for fittings after heat treatment is investigated. It is established that steel containing 1.4% copper provides the maximum level of strength properties after normalizing and tempering and in this case the steel has an acceptable level of impact strength and cold resistance. The microstructure of steel with 1.4% Cu is investigated by scanning and transmission electron microscopy after tempering at different temperatures. Structure formation in steel with a high copper content during heat treatment by regimes simulating fitting preparation by hot stamping with subsequent tempering, including changes occurring with a secondary structural component, carbonitride particles, and copper particle strengthening precipitates, is studied in detail.
Vorheriger Artikel Assessment of the Effect of Operating Conditions on the Resistance of Steels Used in H2S-Containing Environments at Hydrocarbon Production Facilities
Nächster Artikel Impact Strength of Low-Carbon Steel 09G2S Welded Joint Metal

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Metadaten
Titel
Effect of Copper Content and Heat Treatment Schedules on Mechanical Properties, Cold Resistance, and Microstructural Constituent Morphology in Precipitation-Hardened Steel
verfasst von
M. Yu. Matrosov
A. A. Kholodnyi
D. L. D’yakonov
P. G. Martinov
A. S. Tuftyaev
M. V. Il’ichev
Publikationsdatum
10.05.2022
Verlag
Springer US
Erschienen in
Metallurgist / Ausgabe 11-12/2022
Print ISSN: 0026-0894
Elektronische ISSN: 1573-8892
DOI
https://doi.org/10.1007/s11015-022-01285-3

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Metallurgist Volume 65, Number 11

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