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Journal of Mechanical and Manufacture
Published by Universitas Majalengka
ISSN : -     EISSN : 28294424     DOI : -
Core Subject : Engineering,
Aerospace Engineering Automotive Engineering Control & Systems Engineering Electrical & Electronics Engineering Industrial & Manufacturing Engineering Mechanical Engineering
Journal Of Mechanical And Manufacture (JMM) published 2 (two) times a year . Since 2022, the JMM published in March and September . Contents of the journal discusses the results of research in the field of manufacture engineering, industrial engineering and mechanical engineering
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 91 Documents
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Thermal Cycle Simulation of Welded Products with Heat Treatment Process on AISI 1015 Low Carbon Steel Aa Santosa; Tedi Heryanto; Iman Dirja; fahri rizki
Jurnal Mekanika dan Manufaktur Vol 5 No 2 (2026)
Publisher : Universitas Majalengka

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Abstract

In the welding of carbon steel, the cooling time from the highest temperature or peak temperature can be identified, where the cooling rate is generally represented in a welding thermal cycle. Knowledge of the welding thermal cycle greatly facilitates the understanding of the extent of differences in cooling rates at various applied peak temperatures. The thermal cycle curve can be obtained through direct testing methods, namely by measuring the temperature on the welded plate. However, this method requires extensive equipment and a high level of precision. Therefore, the author conducted an experiment to obtain the thermal cycle curve using an alternative method. This method involves heat treatment, in which the cooling process is carried out in free air (normalizing) while varying the peak temperature for each specimen. The specimens used in this study were AISI 1015 low-carbon steel, with dimensions of 100 × 20 × 20 mm for the larger specimens and 50 × 20 × 20 mm for the smaller specimens. The applied peak temperatures were 750°C, 800°C, 900°C, and 1000°C. The experimental results showed that the cooling rate obtained through the heat treatment process was inversely proportional to that of the welding process. Therefore, determining the thermal cycle using the heat treatment process is not recommended.

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