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SFB 1120 A01

Steuerung von Geometrie und Metallurgie beim Laserstrahl-Mikroschweißen durch Beeinflussung der Schmelzbaddynamik über örtlich und zeitlich angepassten Energieeintrag (A01)

CoordinatorProfessor Dr.-Ing. Arnold Gillner
Grant period2014 -
Funding bodyDeutsche Forschungsgemeinschaft
 DFG
IdentifierG:(GEPRIS)260036706

⇧ SFB 1120: Bauteilpräzision durch Beherrschung von Schmelze und Erstarrung in Produktionsprozessen ⇧

Note: In der dritten Phase des Teilprojekts A01 liegt der Fokus auf der Kompensation von Irregularitäten und der Steuerung der Absorption der Laserstrahlung im Keyhole beim Laserschweißen zur Vermeidung von Porenbildung, Oberflächenrauheiten und ungleichmäßigen Schweißtiefen. Hierfür wird eine Kombination aus örtlicher und zeitlicher Leistungsmodulation unter Nutzung eines Mehrstrahlansatzes sowie einer Wellenlängenmodulation genutzt, um Prozessfehler zu vermeiden und eine hohe Prozessreproduzierbarkeit zu gewährleisten. Zur Evaluierung der Kompensationsansätze werden die in Phase 2 des SFB begonnenen Röntgendurchstrahl-Versuche am Deutschen-Elektronen Synchrotron verstetigt.
   

Recent Publications

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http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Journal Article  ;  ;  ;  ;  ;  ;  ;
In Situ X-ray Phase Contrast Imaging of Humping Formation During Laser Beam Welding of 1.4404 Stainless Steel
Journal of Laser Micro/Nanoengineering 20(1), - () [10.2961/jlmn.2025.01.2001]  GO  Download fulltext Files BibTeX | EndNote: XML, Text | RIS

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Journal Article  ;  ;  ;  ;  ;  ;  ;  ;  ;  ;
Avoiding the formation of pores during laser welding of copper hairpins by dynamic beam shaping
The international journal of advanced manufacturing technology 137(5-6), 2257 - 2266 () [10.1007/s00170-025-15236-0]  GO OpenAccess  Download fulltext Files BibTeX | EndNote: XML, Text | RIS

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Contribution to a conference proceedings/Journal Article  ;  ;  ;  ;  ;  ;  ;
Investigation of solidification crack formation in laser beam welding of stainless steel with high-speed x-ray imaging
High-Power Laser Materials Processing: Applications, Diagnostics, and Systems XIV, San FranciscoSan Francisco, United States, 25 Jan 2025 - 31 Jan 20252025-01-252025-01-31 Proceedings of SPIE 13356, 1335601 () [10.1117/12.3041269]  GO  Download fulltext Files BibTeX | EndNote: XML, Text | RIS

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Journal Article  ;  ;  ;  ;  ;  ;  ;
Characterization of Vapor Capillary Geometry in Laser Beam Welding of Copper with 515 nm and 1030 nm Laser Beam Sources by Means of In Situ Synchrotron X-ray Imaging
Metals 13(1), 135 () [10.3390/met13010135]  GO OpenAccess  Download fulltext Files BibTeX | EndNote: XML, Text | RIS

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Journal Article  ;  ;  ;  ;  ;  ;  ;  ;  ;  ;  ;
Analysis on the influence of vapor capillary aspect ratio on pore formation in laser beam welding of aluminum
Journal of materials processing technology 312, 117862 () [10.1016/j.jmatprotec.2023.117862]  GO  Download fulltext Files BibTeX | EndNote: XML, Text | RIS

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Contribution to a conference proceedings/Contribution to a book  ;  ;  ;  ;  ;  ;
In situ synchrotron observation of the vapor capillary geometry in laser welding of copper with 1030 nm and 515 nm laser beam sources
High-Power Laser Materials Processing: Applications, Diagnostics, and Systems XII : [Proceedings] - SPIE, 2023. - ISBN 97815106593399781510659346 - doi:10.1117/12.2648946
High-Power Laser Materials Processing: Applications, Diagnostics, and Systems XII, San FranciscoSan Francisco, United States, 28 Jan 2023 - 3 Feb 20232023-01-282023-02-03 SPIE 12414, 124140A () [10.1117/12.2648946]  GO  Download fulltext Files BibTeX | EndNote: XML, Text | RIS

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Contribution to a conference proceedings/Contribution to a book  ;  ;  ;  ;  ;  ;  ;  ;  ;
Influence of ring-shaped laser beam during welding of AW-5083 and AW-6082
High-Power Laser Materials Processing: Applications, Diagnostics, and Systems XII : [Proceedings] - SPIE, 2023. - ISBN 97815106593399781510659346 - doi:10.1117/12.2649092
High-Power Laser Materials Processing: Applications, Diagnostics, and Systems XII, San FranciscoSan Francisco, United States, 28 Jan 2023 - 3 Feb 20232023-01-282023-02-03 SPIE 12414, 124140C () [10.1117/12.2649092]  GO  Download fulltext Files BibTeX | EndNote: XML, Text | RIS

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Contribution to a conference proceedings  ;  ;  ;  ;  ;  ;  ;  ;  ;  ;  ;
Influence of capillary shape on spatter formation during welding with ring-core fiber systems
Lasers in Manufcaturing Conference 2023, MunichMunich, Germany, 26 Jun 2023 - 29 Jun 20232023-06-262023-06-29 7 pp. ()  GO  Download fulltext Files  Download fulltextRestricted BibTeX | EndNote: XML, Text | RIS

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Journal Article  ;  ;  ;  ;  ;  ;
In-situ x-ray phase contrast observation of the full penetration spot welding on limited aluminum material thickness
Journal of laser applications 34(4), 042019 () [10.2351/7.0000772]  GO OpenAccess  Download fulltext Files BibTeX | EndNote: XML, Text | RIS

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Contribution to a conference proceedings  ;  ;  ;  ;  ;  ;  ;  ;
Temporally and spatially highly resolved reconstruction of vapor capillary geometry during laser beam welding using synchrotron radiation
Lasers in Manufacturing Conference 2021, MünchenMünchen, Germany, 21 Jun 2021 - 24 Jun 20212021-06-212021-06-24 979-989 ()  GO  Download fulltext Files BibTeX | EndNote: XML, Text | RIS

All known publications ...
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 Record created 2020-04-21, last modified 2024-06-13
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