Optimization of tungsten inert gas welding process parameters for joining austenitic stainless steel and copper using the Taguchi method

• Autorzy: Bensaid Nabil , Benlamnouar Mohamed Farid , Laksir Yazid Laib Dit , Saadi Tahar , Badji Riad

Identyfikatory

DOI

10.12913/22998624/195449

• Języki publikacji: EN

Abstrakty

EN

This study aims to optimize the Tungsten Inert Gas (TIG) welding parameters for joining AISI 316L stainless steel and Cu-ETP copper using 309L stainless steel filler rods. Welding dissimilar materials is challenging due to their significant differences in thermal and mechanical properties. The high thermal conductivity of Cu-ETP copper leads to rapid heat dissipation, causing uneven heat distribution at the weld interface. To address this issue, the research team applied a 1 mm offset of the welding torch toward the copper side to balance the heat input. They employed statistical analyses using ANOVA and the Taguchi method to determine the optimal process parameters. The results showed that the optimal welding current, welding speed, and gas flow for achieving high tensile strength (Rm) are 90 A, 0.5 mm/s, and 12 l/min, respectively. Among these, welding speed emerged as the most significant factor, influencing 48.74% of the weld characteristics. Mechanical testing confirmed that these parameters produced high-quality welds. Metallurgical analysis revealed minimal diffusion between the materials, preserving their distinct properties while minimizing the formation of undesirable intermetallic phases. These results highlight the effectiveness of TIG welding in creating robust joints between AISI 316L stainless steel and Cu-ETP copper for applications requiring a combination of both materials' properties.

Słowa kluczowe

EN

TIG welding; optimization; Taguchi method; stainless steel; ANOVA; copper; mechanical properties; metallurgical characterization

• Wydawca: Lublin University of Technology ; Polish Society of Ecological Engineering (PTIE), Branch of PTIE in Lublin
• Czasopismo: Advances in Science and Technology. Research Journal
• Rocznik: 2025
• Tom: Vol. 19, no. 1
• Strony: 209--219
• Opis fizyczny: Bibliogr. 28 poz., fig., tab.

Twórcy

autor

Bensaid Nabil

• Research Center in Industrial Technologies (CRTI), PB 64, Chéraga, Algiers, Algeria

• https://orcid.org/0009-0007-8788-5276

autor

Benlamnouar Mohamed Farid

• Research Center in Industrial Technologies (CRTI), PB 64, Chéraga, Algiers, Algeria

autor

Laksir Yazid Laib Dit

• Department of Mechanical Engineering, University of L’Arbi Ben M’hidi, Oum el Bouaghi, Algeria

• https://orcid.org/0009-0004-5343-3069

autor

Saadi Tahar

• Research Center in Industrial Technologies (CRTI), PB 64, Chéraga, Algiers, Algeria

• https://orcid.org/0000-0002-2734-1484

autor

Badji Riad

• Research Center in Industrial Technologies (CRTI), PB 64, Chéraga, Algiers, Algeria

• https://orcid.org/0000-0002-7432-7992

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