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Numerical and experimental investigation of the effect of heat input on weld bead geometry and stresses in laser welding

  • Mehmet K. Turan

    PhD

    Mehmet K. Turan, born in 1991, received his BSc from Kocaeli University and his MSc from Bursa Technical University. As a scholarship holder of The Scientific and Technological Research Council of Türkiye(TUBİTAK), he is a co-worker of Grammer Koltuk Sistemleri A.Ş. His interest areas are welding, finite element methods, machine elements, vibration, topology optimization, and vehicle collision analysis.

         , Celalettin Yuce

    Dr. Celalettin Yuce is an Associate Professor in the Department of Mechanical Engineering at the Bursa Uludag University in Turkey. He earned his MSc and PhD degrees in Mechanical Engineering from the Bursa Uludag University, Turkey, in 2013 and 2018, respectively. His research interests include, but are not limited to, laser-assisted manufacturing, advanced joining technologies, material characterization, and finite element analysis.

         und Fatih Karpat

    Prof. Dr. Fatih Karpat, born in 1977, is a Professor in the Department of Mechanical Engineering at the Bursa Uludag University. He received his BSc in 1998, MSc in 2001, and PhD in 2005 from Bursa Uludag University. He joined the academic community as research assistant in 1998 and he continued his success by gaining the title of associate professor in 2015 and professor in 2020. He has been to Texas Tech University and University of Central Oklahoma between 2006 and 2015 for postdoctoral and guest researcher. His profession is based on machine elements, energy, biomedical engineering, sustainability, MEMS, and technological innovations.

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Veröffentlicht/Copyright: 1. Juli 2024
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Materials Testing
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Abstract

Nowadays, laser welding is a powerful joining method. Thanks to the advantages it has, its usage area is increasing day by day. However, getting the desired result from the laser welding process is possible with the proper welding parameter selections. Otherwise, many problems may be encountered, including significantly incomplete penetration. For this reason, parameter selection has been discussed in many studies in the literature. At this point, validated numerical simulation models are precious. Since these models reduce experiment costs and save time. Especially numerical simulation of the structural steel, which is the one of most used materials, is crucial. In this study, the effects of laser power (LP) and welding speed (WS), which are among the vital parameters of laser welding, on weld width and stress were investigated numerically and statistically. Structural steel was selected as the material, and the Taguchi method was carried out for the simulation case study design. Simufact Welding software was used for simulation studies, and simulations were carried out thermomechanical. Thus, more realistic results were obtained via the thermomechanical method. One of the simulation results was verified through an experimental study. The results were evaluated with signal-to-noise (S/N) ratio and a statistical analysis of variance (ANOVA), and as a result of the study, it was seen that the welding speed was a more effective parameter, the optimal parameter combination was found to be 3500 W for laser power and 40 mm/s for welding speed to get maximum weld width and minimum equivalent stress. In addition, it was observed that correctly created simulation studies may provide very close results to experimental studies.

Keywords: laser welding; numerical simulation; Taguchi method; ANOVA; welding parameter
Corresponding author: Fatih Karpat, Mechanical Engineering, Bursa Uludag University, Bursa 16059, Türkiye, E-mail:

Funding source: The Scientific and Technological Research Council of Türkiye

Award Identifier / Grant number: 118C136

Funding source: Bursa Uludag University Commission of Scientific Research Projects

Award Identifier / Grant number: FOA-2022-1098

About the authors

Mehmet K. Turan

PhD

Mehmet K. Turan, born in 1991, received his BSc from Kocaeli University and his MSc from Bursa Technical University. As a scholarship holder of The Scientific and Technological Research Council of Türkiye(TUBİTAK), he is a co-worker of Grammer Koltuk Sistemleri A.Ş. His interest areas are welding, finite element methods, machine elements, vibration, topology optimization, and vehicle collision analysis.

Celalettin Yuce

Dr. Celalettin Yuce is an Associate Professor in the Department of Mechanical Engineering at the Bursa Uludag University in Turkey. He earned his MSc and PhD degrees in Mechanical Engineering from the Bursa Uludag University, Turkey, in 2013 and 2018, respectively. His research interests include, but are not limited to, laser-assisted manufacturing, advanced joining technologies, material characterization, and finite element analysis.

Fatih Karpat

Prof. Dr. Fatih Karpat, born in 1977, is a Professor in the Department of Mechanical Engineering at the Bursa Uludag University. He received his BSc in 1998, MSc in 2001, and PhD in 2005 from Bursa Uludag University. He joined the academic community as research assistant in 1998 and he continued his success by gaining the title of associate professor in 2015 and professor in 2020. He has been to Texas Tech University and University of Central Oklahoma between 2006 and 2015 for postdoctoral and guest researcher. His profession is based on machine elements, energy, biomedical engineering, sustainability, MEMS, and technological innovations.

  1. Research ethics: Not applicable.

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

  3. Conflict of interest statement: The authors declare no conflicts of interest regarding this article.

  4. Research funding: Mehmet Kivanc Turan is supported by The Scientific and Technological Research Council of Türkiye (2244-Industrial Ph.D. Fellowship Program, Project code 118C136). Authors thank The Scientific and Technological Research Council of Türkiye. The authors acknowledge the Bursa Uludag University Commission of Scientific Research Projects under Contract No. FOA-2022-1098 for supporting this research.

  5. Data availability: Not applicable.

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Published Online: 2024-07-01
Published in Print: 2024-09-25

© 2024 Walter de Gruyter GmbH, Berlin/Boston

Artikel in diesem Heft

  1. Frontmatter
  2. Modal analysis for the non-destructive testing of brazed components
  3. Numerical analysis of cathodic protection of a Q355ND frame in a shallow water subsea Christmas tree
  4. Friction stir lap welding of AZ31B magnesium alloy to AISI 304 stainless steel
  5. Microstructure and mechanical properties of double pulse TIG welded super austenitic stainless steel butt joints
  6. Numerical and experimental investigation of impact performances of cast and stretched polymethyl methacrylate panels
  7. Mechanical properties of Sr inoculated A356 alloy by Taguchi-based gray relational analysis
  8. Influence of high-reactivity energetic materials on microstructure and performance on iron-based cladding layer under low laser power
  9. Experimental investigations and material modeling of an elastomer jaw coupling
  10. Optimal design of structural engineering components using artificial neural network-assisted crayfish algorithm
  11. A novel chaotic artificial rabbits algorithm for optimization of constrained engineering problems
  12. Numerical and experimental investigation of the effect of heat input on weld bead geometry and stresses in laser welding
  13. Influence of betel nut fiber hybridization on properties of novel aloevera fiber-reinforced vinyl ester composites
  14. Electro discharge machining performance of cryogenic heat treated copper electrode
  15. Influence of IP-TIG welding parameters on weld bead geometry, tensile properties, and microstructure of Ti6Al4V alloy joints
  16. Experimental and numerical investigation of crash performances of additively manufactured novel multi-cell crash box made with CF15PET, PLA, and ABS
  17. Microstructural characteristics and mechanical properties of 3D printed Kevlar fibre reinforced Onyx composite
  18. Microstructural, mechanical and nondestructive characterization of X60 grade steel pipes welded by different processes
https://doi.org/10.1515/mt-2024-0080
Schlagwörter für diesen Artikel
laser welding; numerical simulation; Taguchi method; ANOVA; welding parameter

Artikel in diesem Heft

  1. Frontmatter
  2. Modal analysis for the non-destructive testing of brazed components
  3. Numerical analysis of cathodic protection of a Q355ND frame in a shallow water subsea Christmas tree
  4. Friction stir lap welding of AZ31B magnesium alloy to AISI 304 stainless steel
  5. Microstructure and mechanical properties of double pulse TIG welded super austenitic stainless steel butt joints
  6. Numerical and experimental investigation of impact performances of cast and stretched polymethyl methacrylate panels
  7. Mechanical properties of Sr inoculated A356 alloy by Taguchi-based gray relational analysis
  8. Influence of high-reactivity energetic materials on microstructure and performance on iron-based cladding layer under low laser power
  9. Experimental investigations and material modeling of an elastomer jaw coupling
  10. Optimal design of structural engineering components using artificial neural network-assisted crayfish algorithm
  11. A novel chaotic artificial rabbits algorithm for optimization of constrained engineering problems
  12. Numerical and experimental investigation of the effect of heat input on weld bead geometry and stresses in laser welding
  13. Influence of betel nut fiber hybridization on properties of novel aloevera fiber-reinforced vinyl ester composites
  14. Electro discharge machining performance of cryogenic heat treated copper electrode
  15. Influence of IP-TIG welding parameters on weld bead geometry, tensile properties, and microstructure of Ti6Al4V alloy joints
  16. Experimental and numerical investigation of crash performances of additively manufactured novel multi-cell crash box made with CF15PET, PLA, and ABS
  17. Microstructural characteristics and mechanical properties of 3D printed Kevlar fibre reinforced Onyx composite
  18. Microstructural, mechanical and nondestructive characterization of X60 grade steel pipes welded by different processes
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