Evaluation of Welding Distortion and Hardness in the A36 Steel Plate Joints Using Different Cooling Media

Akhyar, Akram Tamlicha, Ahmad Farhan, Azwinur, Syukran, Teuku Arif Fadhilah, Teuku Firsa and Raja Ariffin Raja Ghazilla
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Akhyar: Department of Mechanical Engineering, Universitas Syiah Kuala, Syech Abdurrauf Street 7, Darussalam, Banda Aceh 23111, Indonesia
Akram Tamlicha: Department of Mechanical Engineering, Universitas Syiah Kuala, Syech Abdurrauf Street 7, Darussalam, Banda Aceh 23111, Indonesia
Ahmad Farhan: Department of Physic Education, FKIP Universitas Syiah Kuala, Darussalam, Banda Aceh 23111, Indonesia
Azwinur: Department of Mechanical Engineering, Lhokseumawe State Polytechnic, Banda Aceh-Medan Road Km. 280 Buketrata, Lhokseumawe 24301, Indonesia
Syukran: Department of Mechanical Engineering, Lhokseumawe State Polytechnic, Banda Aceh-Medan Road Km. 280 Buketrata, Lhokseumawe 24301, Indonesia
Teuku Arif Fadhilah: Department of Mechanical Engineering, Universitas Syiah Kuala, Syech Abdurrauf Street 7, Darussalam, Banda Aceh 23111, Indonesia
Teuku Firsa: Department of Physic Education, FKIP Universitas Syiah Kuala, Darussalam, Banda Aceh 23111, Indonesia
Raja Ariffin Raja Ghazilla: Centre for Product Design and Manufacturing, Department of Engineering, University of Malaya, Kuala Lumpur 50603, Malaysia

Sustainability, 2022, vol. 14, issue 3, 1-20

Abstract: The temperature difference in the weld area during the process of welding, cooling the welded product, and post-welding affect the formation of distortion. Therefore, this study aims to evaluate the distortion formed and hardness behavior on the ASTM A36 (EN S275) steel plate while welding using different cooling media including air, water, and ice. This involved using the MAG (Metal Active Gas) method, which used the AWS A5.18 ER70S-6 electrode with a 1 mm diameter and an 8 mm plate thickness. The value of distortion on the MAG-welded steel plate was measured using a digital dial indicator and evenly distributed by first making a grid. Moreover, the measuring points from the transverse and longitudinal directions were placed at 20 and 8 rows with a distance of 10 mm between points for each variation of the cooling media, such that 10 mm each was allowed left-right and top-down. The results showed that the highest distortion value of 3.13 was formed on the second row of the air cooling media, and this media was also used to determine the contours and distortion profiles.

Keywords: MAG welding; cooling media; distortion; hardness; A36 steel (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2022
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