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The influence of the carbon equivalent on the weldability of high-strength low-alloy steel in the water environment
Abstract
From many years, the high strength low alloy steels are often used for offshore constructions. This constructions, due to the environment in which they work, require more frequent repairs than the constructions from the land. For economic reasons, repairs take place in the underwater conditions, however water significantly decreases the weldability of steel. The paper presents the results of the CTS weldability test for S460ML and S460 steels, which have a similar value of the yield point, but different carbon equivalent (CeMIS) values. The welded joints were cut into specimens, which were then subjected to Vickers HV10 hardness measurements. The experiment has shown that as the CeMIS value increases, the hardness in the heat affected zone (HAZ) of joints and in the weld metal increases.
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Authors (2)
-
Michalina Tomków
- Uniwersytet Gdański
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- Publication version
- Accepted or Published Version
- DOI:
- Digital Object Identifier (open in new tab) 10.26628/wtr.v91i5.1001
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- Category:
- Articles
- Type:
- artykuły w czasopismach recenzowanych i innych wydawnictwach ciągłych
- Published in:
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Przegląd Spawalnictwa
no. 91,
pages 43 - 49,
ISSN: 0033-2364 - Language:
- English
- Publication year:
- 2019
- Bibliographic description:
- Tomków J., Tomków M.: The influence of the carbon equivalent on the weldability of high-strength low-alloy steel in the water environment// Przegląd Spawalnictwa. -Vol. 91., iss. 5 (2019), s.43-49
- DOI:
- Digital Object Identifier (open in new tab) 10.26628/wtr.v91i5.1001
- Verified by:
- Gdańsk University of Technology
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