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Weldability and mechanical behavior of CMT welded AISI 430 and HARDOX 500 steels

  • Mustafa Engin Kocadağistan

    Dr. Mustafa Engin Kocadağistan, born in 1965, works at the University of Ataturk, Faculty of Engineering, Department of Metallurgy and Materials Engineering, Erzurum, Turkey. He graduated in Mining Engineering from the Technical University of İstanbul, Turkey, in 1989. He received his MSc and PhD degrees from Ataturk University, Erzurum, Turkey, in 2015. He studied open-pit chrome mining, bioleaching and hydrometallurgy techniques, solid-state welding methods, boron ores, and nature restoration in open-pit mining.

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    , Oğuzhan Çinar

    Oğuzhan Çinar, born in 1985, works at the State Railways Erzurum Directorate, Erzurum, Turkey. He graduated in Metallurgy Education from Yıldız Technical University, İstanbul, Turkey, in 2014. He received his MSc degree from Ataturk University, Erzurum, Turkey, in 2022. He has been continuing his doctorate education in Ataturk University, Department of Metallurgy and Materials Engineering since 2023. He studied fusion welding methods.

    and Tanju Teker

    Prof. Dr. Tanju Teker, born in 1971, works at the University of Sivas Cumhuriyet, Faculty of Technology, Department of Manufacturing Engineering, Sivas, Turkey. He graduated in Metallurgy Education from Gazi University, Ankara, Turkey, in 1997. He received his MSc and PhD degrees from Firat University, Elazig, Turkey, in 2004 and 2010, respectively. He studied metal coating techniques, fusion and solid-state welding methods, casting, and wear.

Published/Copyright: June 29, 2023
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Abstract

In this study, AISI 430 and HARDOX 500 steels were joined by cold metal transfer (CMT) welding method. The properties and microstructural changes of the welding and HAZ regions were investigated by OM and SEM analyses. Microhardness, notch impact, and tensile tests were performed to determine the mechanical properties of the welded specimens. The ruptured surfaces of the test specimens after the impact test were examined using SEM. Coarse grains were formed in the HAZ regions but were limited to the low-temperature input of the cold metal transfer welding. The N3 specimen was broken from AISI 430 base metal and the elongation amount was 16.32 mm. Tensile strengths were from 380 to 493 MPa. The mechanical properties of AISI 430 and HARDOX 500 steels combined with CMT welding increased significantly and weldability was proven possible.


Corresponding author: Mustafa Engin Kocadağistan, Metallurgy and Materials, Ataturk Universitesi Muhendislik Fakultesi, Engineering Faculty, 25240, Erzurum, Türkiye, E-mail:

Award Identifier / Grant number: FYL-2021-9387

About the authors

Mustafa Engin Kocadağistan

Dr. Mustafa Engin Kocadağistan, born in 1965, works at the University of Ataturk, Faculty of Engineering, Department of Metallurgy and Materials Engineering, Erzurum, Turkey. He graduated in Mining Engineering from the Technical University of İstanbul, Turkey, in 1989. He received his MSc and PhD degrees from Ataturk University, Erzurum, Turkey, in 2015. He studied open-pit chrome mining, bioleaching and hydrometallurgy techniques, solid-state welding methods, boron ores, and nature restoration in open-pit mining.

Oğuzhan Çinar

Oğuzhan Çinar, born in 1985, works at the State Railways Erzurum Directorate, Erzurum, Turkey. He graduated in Metallurgy Education from Yıldız Technical University, İstanbul, Turkey, in 2014. He received his MSc degree from Ataturk University, Erzurum, Turkey, in 2022. He has been continuing his doctorate education in Ataturk University, Department of Metallurgy and Materials Engineering since 2023. He studied fusion welding methods.

Tanju Teker

Prof. Dr. Tanju Teker, born in 1971, works at the University of Sivas Cumhuriyet, Faculty of Technology, Department of Manufacturing Engineering, Sivas, Turkey. He graduated in Metallurgy Education from Gazi University, Ankara, Turkey, in 1997. He received his MSc and PhD degrees from Firat University, Elazig, Turkey, in 2004 and 2010, respectively. He studied metal coating techniques, fusion and solid-state welding methods, casting, and wear.

Acknowledgment

The authors were grateful to Research Fund of the Ataturk University for their assistance in conducting the experiments.

  1. Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.

  2. Research funding: This work was supported by Research Fund of the Ataturk University. [Project Number: FYL-2021-9387].

  3. Conflict of interest statement: No potential conflict of interest was reported by the authors.

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Published Online: 2023-06-29
Published in Print: 2023-09-26

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