Research on Heat Treatment Applied to High Strength Construction Steels

The paper presents the research carried out on a laboratory scale in order to establish the heat treatment parameters for the thick sheets used for naval constructions (welded joints). Investigations were carried out on steel sheets with two different chemical compositions. In the same cooling condi...

Full description

Bibliographic Details
Main Author: Marian-Iulian NEACȘU
Format: Article
Language:English
Published: Galati University Press 2022-12-01
Series:The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science
Subjects:
Online Access:https://www.gup.ugal.ro/ugaljournals/index.php/mms/article/view/5812
_version_ 1797953505490632704
author Marian-Iulian NEACȘU
author_facet Marian-Iulian NEACȘU
author_sort Marian-Iulian NEACȘU
collection DOAJ
description The paper presents the research carried out on a laboratory scale in order to establish the heat treatment parameters for the thick sheets used for naval constructions (welded joints). Investigations were carried out on steel sheets with two different chemical compositions. In the same cooling conditions, returns were made at different times and temperatures. For the different sheet thicknesses of 15, 20, 22 and 24 mm, various heat treatment options were performed, by changing the cooling conditions of the sheets, respectively the cooling speeds, conditions that can be achieved in the industry. The laboratory results showed that the required values for the mechanical characteristics are obtained only by cooling in water under pressure followed by a return at temperatures equal to or greater than 650 °C, a time greater than 70 min.
first_indexed 2024-04-10T23:04:12Z
format Article
id doaj.art-1559ba1a61644f06b2b1c1564b1e0041
institution Directory Open Access Journal
issn 2668-4748
2668-4756
language English
last_indexed 2024-04-10T23:04:12Z
publishDate 2022-12-01
publisher Galati University Press
record_format Article
series The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science
spelling doaj.art-1559ba1a61644f06b2b1c1564b1e00412023-01-13T15:22:53ZengGalati University PressThe Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science2668-47482668-47562022-12-0145491410.35219/mms.2022.4.025812Research on Heat Treatment Applied to High Strength Construction SteelsMarian-Iulian NEACȘU0“Dunarea de Jos” University of Galati, RomaniaThe paper presents the research carried out on a laboratory scale in order to establish the heat treatment parameters for the thick sheets used for naval constructions (welded joints). Investigations were carried out on steel sheets with two different chemical compositions. In the same cooling conditions, returns were made at different times and temperatures. For the different sheet thicknesses of 15, 20, 22 and 24 mm, various heat treatment options were performed, by changing the cooling conditions of the sheets, respectively the cooling speeds, conditions that can be achieved in the industry. The laboratory results showed that the required values for the mechanical characteristics are obtained only by cooling in water under pressure followed by a return at temperatures equal to or greater than 650 °C, a time greater than 70 min.https://www.gup.ugal.ro/ugaljournals/index.php/mms/article/view/5812heat treatmentsthick sheet metalmetal constructionsmechanical properties
spellingShingle Marian-Iulian NEACȘU
Research on Heat Treatment Applied to High Strength Construction Steels
The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science
heat treatments
thick sheet metal
metal constructions
mechanical properties
title Research on Heat Treatment Applied to High Strength Construction Steels
title_full Research on Heat Treatment Applied to High Strength Construction Steels
title_fullStr Research on Heat Treatment Applied to High Strength Construction Steels
title_full_unstemmed Research on Heat Treatment Applied to High Strength Construction Steels
title_short Research on Heat Treatment Applied to High Strength Construction Steels
title_sort research on heat treatment applied to high strength construction steels
topic heat treatments
thick sheet metal
metal constructions
mechanical properties
url https://www.gup.ugal.ro/ugaljournals/index.php/mms/article/view/5812
work_keys_str_mv AT marianiulianneacsu researchonheattreatmentappliedtohighstrengthconstructionsteels