The Effects of HLAW Parameters for One Side T-Joints in 15 mm Thickness Naval Steel
The present contribution is the first research reporting full penetration HLAW joints in 15 mm thick EH36 steel butt T-welds with square grooves on 2F welding position by single-sided welding. The effects of welding parameters were investigated to increase the quality of the joints. Conditions leadi...
| Main Authors: | , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
MDPI AG
2021-04-01
|
| Series: | Metals |
| Subjects: | |
| Online Access: | https://www.mdpi.com/2075-4701/11/4/600 |
| _version_ | 1797538638324563968 |
|---|---|
| author | Cristina Churiaque Jose Maria Sánchez-Amaya Manuel Porrúa-Lara Andrey Gumenyuk Michael Rethmeier |
| author_facet | Cristina Churiaque Jose Maria Sánchez-Amaya Manuel Porrúa-Lara Andrey Gumenyuk Michael Rethmeier |
| author_sort | Cristina Churiaque |
| collection | DOAJ |
| description | The present contribution is the first research reporting full penetration HLAW joints in 15 mm thick EH36 steel butt T-welds with square grooves on 2F welding position by single-sided welding. The effects of welding parameters were investigated to increase the quality of the joints. Conditions leading to defect-free full penetration welds fulfilling naval regulations includes a laser power of 12.5 kW, a welding speed of 1.6 m/min and the vertical laser offset distance from the flange of 1 mm. Advanced characterization of selected welds included a microstructural identification by optical microscopy, SEM, and XRD, revealing the presence of acicular, polygonal and Widmanstätten ferrite, lath martensite, and some retained austenite at FZ. Hardness and microhardness mapping tests showed values of 155 HV at base metal and 200 to 380 HV at the fusion zone connecting the web to the flange. |
| first_indexed | 2024-03-10T12:34:16Z |
| format | Article |
| id | doaj.art-da4e8a2a43f54e93922a1322d0600101 |
| institution | Directory Open Access Journal |
| issn | 2075-4701 |
| language | English |
| last_indexed | 2024-03-10T12:34:16Z |
| publishDate | 2021-04-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Metals |
| spelling | doaj.art-da4e8a2a43f54e93922a1322d06001012023-11-21T14:26:58ZengMDPI AGMetals2075-47012021-04-0111460010.3390/met11040600The Effects of HLAW Parameters for One Side T-Joints in 15 mm Thickness Naval SteelCristina Churiaque0Jose Maria Sánchez-Amaya1Manuel Porrúa-Lara2Andrey Gumenyuk3Michael Rethmeier4Department of Materials Science and Metallurgical Engineering and Inorganic Chemistry, School of Engineering, University of Cádiz, 11519 Puerto Real-Cádiz, SpainDepartment of Materials Science and Metallurgical Engineering and Inorganic Chemistry, School of Engineering, University of Cádiz, 11519 Puerto Real-Cádiz, SpainNavantia S.A. Astillero Bahía de Cádiz, Polígono Astillero s/n, E-11519 Puerto Real-Cádiz, SpainBundesanstalt für Materialforschung und prüfung (BAM), 12205 Berlin, GermanyBundesanstalt für Materialforschung und prüfung (BAM), 12205 Berlin, GermanyThe present contribution is the first research reporting full penetration HLAW joints in 15 mm thick EH36 steel butt T-welds with square grooves on 2F welding position by single-sided welding. The effects of welding parameters were investigated to increase the quality of the joints. Conditions leading to defect-free full penetration welds fulfilling naval regulations includes a laser power of 12.5 kW, a welding speed of 1.6 m/min and the vertical laser offset distance from the flange of 1 mm. Advanced characterization of selected welds included a microstructural identification by optical microscopy, SEM, and XRD, revealing the presence of acicular, polygonal and Widmanstätten ferrite, lath martensite, and some retained austenite at FZ. Hardness and microhardness mapping tests showed values of 155 HV at base metal and 200 to 380 HV at the fusion zone connecting the web to the flange.https://www.mdpi.com/2075-4701/11/4/600T-jointshybrid laser arc weldingnaval steelhigh thicknessfull penetrationprocess parameters |
| spellingShingle | Cristina Churiaque Jose Maria Sánchez-Amaya Manuel Porrúa-Lara Andrey Gumenyuk Michael Rethmeier The Effects of HLAW Parameters for One Side T-Joints in 15 mm Thickness Naval Steel Metals T-joints hybrid laser arc welding naval steel high thickness full penetration process parameters |
| title | The Effects of HLAW Parameters for One Side T-Joints in 15 mm Thickness Naval Steel |
| title_full | The Effects of HLAW Parameters for One Side T-Joints in 15 mm Thickness Naval Steel |
| title_fullStr | The Effects of HLAW Parameters for One Side T-Joints in 15 mm Thickness Naval Steel |
| title_full_unstemmed | The Effects of HLAW Parameters for One Side T-Joints in 15 mm Thickness Naval Steel |
| title_short | The Effects of HLAW Parameters for One Side T-Joints in 15 mm Thickness Naval Steel |
| title_sort | effects of hlaw parameters for one side t joints in 15 mm thickness naval steel |
| topic | T-joints hybrid laser arc welding naval steel high thickness full penetration process parameters |
| url | https://www.mdpi.com/2075-4701/11/4/600 |
| work_keys_str_mv | AT cristinachuriaque theeffectsofhlawparametersforonesidetjointsin15mmthicknessnavalsteel AT josemariasanchezamaya theeffectsofhlawparametersforonesidetjointsin15mmthicknessnavalsteel AT manuelporrualara theeffectsofhlawparametersforonesidetjointsin15mmthicknessnavalsteel AT andreygumenyuk theeffectsofhlawparametersforonesidetjointsin15mmthicknessnavalsteel AT michaelrethmeier theeffectsofhlawparametersforonesidetjointsin15mmthicknessnavalsteel AT cristinachuriaque effectsofhlawparametersforonesidetjointsin15mmthicknessnavalsteel AT josemariasanchezamaya effectsofhlawparametersforonesidetjointsin15mmthicknessnavalsteel AT manuelporrualara effectsofhlawparametersforonesidetjointsin15mmthicknessnavalsteel AT andreygumenyuk effectsofhlawparametersforonesidetjointsin15mmthicknessnavalsteel AT michaelrethmeier effectsofhlawparametersforonesidetjointsin15mmthicknessnavalsteel |