<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>This article presents a numerical analysis of laser-welded flange pipe joints. The presented results concern the welding of low carbon S235JR and stainless 316L steels using a CO<sub>2</sub> laser in lap and fillet joint configurations. The estimation of welding parameters was achieved using Simufact Welding software and numerical simulation, where output power, feed rate, efficiency and intensity distribution (Gaussian parameter) were analysed. In accordance with the established model, a thermo-mechanical simulation was performed. The calculated joint geometries show good agreement with experiments; therefore, the obtained results were used to study selected joint properties of both joint types. Stress-strain distribution was estimated on the basis of thermo-mechanical analysis. Weld bead geometry obtained from numerical simulation was compared with the results from trial joints. The numerical model established for both joint configurations shows good agreement with experimental results and were assumed to be accurate. The results of the performed analysis shown some advantages of the use of this configuration of lap joints in flange pipe joints.</p>
</abstract>

This article presents a numerical analysis of laser-welded flange pipe joints. The presented results concern the welding of low carbon S235JR and stainless 316L steels using a CO2 laser in lap and fillet joint configurations. The estimation of welding parameters was achieved using Simufact Welding software and numerical simulation, where output power, feed rate, efficiency and intensity distribution (Gaussian parameter) were analysed. In accordance with the established model, a thermo-mechanical simulation was performed. The calculated joint geometries show good agreement with experiments; therefore, the obtained results were used to study selected joint properties of both joint types. Stress-strain distribution was estimated on the basis of thermo-mechanical analysis. Weld bead geometry obtained from numerical simulation was compared with the results from trial joints. The numerical model established for both joint configurations shows good agreement with experimental results and were assumed to be accurate. The results of the performed analysis shown some advantages of the use of this configuration of lap joints in flange pipe joints.

Numerical analysis of laser-welded flange pipe joints in lap and fillet configurations

Technical Transactions

This work is licensed under the Creative Commons Attribution-ShareAlike 4.0 International License.

This article presents a numerical analysis of laser-welded flange pipe joints. The presented results concern the welding of low carbon S235JR and stainless...

Numerical analysis of laser-welded flange pipe joints in lap and fillet configurations

Publié en ligne: 31 déc. 2021

Pages: -

Reçu: 12 déc. 2021

Accepté: 29 déc. 2021

DOI: https://doi.org/10.37705/TechTrans/e2021030

Mots clés
laser welding, numerical simulation, flange pipe joint, circumferential laser welding, stress-strain analysis

© 2021 Hubert Danielewski et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-ShareAlike 4.0 International License.

Numerical analysis of laser-welded flange pipe joints in lap and fillet configurations

Publié en ligne: 31 déc. 2021

Pages: -

Reçu: 12 déc. 2021

Accepté: 29 déc. 2021

DOI: https://doi.org/10.37705/TechTrans/e2021030

Mots cléslaser welding, numerical simulation, flange pipe joint, circumferential laser welding, stress-strain analysis

© 2021 Hubert Danielewski et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-ShareAlike 4.0 International License.

Mots clés
laser welding, numerical simulation, flange pipe joint, circumferential laser welding, stress-strain analysis