Ultra-Short-Pulse Laser Welding of Glass to Metal with a Shear Strength Above 50 MPa

We report an ultra-short-pulse laser welding process that allows one to consistently weld Borofloat<sup>®</sup> 33 glass to aluminum with a shear strength above 50 MPa. We explored the morphology of the welding seam and quantified the quality of the bonding by statistically determining t...

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Main Authors: Lukas Günther, Jens Ulrich Thomas, Jens Hermann, Axel Ohlinger, Dominique de Ligny
Format: Article
Language:English
Published: MDPI AG 2025-04-01
Series:Micromachines
Subjects:
Online Access:https://www.mdpi.com/2072-666X/16/5/538
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author Lukas Günther
Jens Ulrich Thomas
Jens Hermann
Axel Ohlinger
Dominique de Ligny
author_facet Lukas Günther
Jens Ulrich Thomas
Jens Hermann
Axel Ohlinger
Dominique de Ligny
author_sort Lukas Günther
collection DOAJ
description We report an ultra-short-pulse laser welding process that allows one to consistently weld Borofloat<sup>®</sup> 33 glass to aluminum with a shear strength above 50 MPa. We explored the morphology of the welding seam and quantified the quality of the bonding by statistically determining the shear strength with more than 30 samples. The results of the shear strength tests indicate that the intrinsic shear strength of the aluminum serves as the upper limit of the glass-to-metal bond.
format Article
id doaj-art-660e0a87630b4d1496685b8f8aaffcfa
institution Kabale University
issn 2072-666X
language English
publishDate 2025-04-01
publisher MDPI AG
record_format Article
series Micromachines
spelling doaj-art-660e0a87630b4d1496685b8f8aaffcfa2025-08-20T03:48:01ZengMDPI AGMicromachines2072-666X2025-04-0116553810.3390/mi16050538Ultra-Short-Pulse Laser Welding of Glass to Metal with a Shear Strength Above 50 MPaLukas Günther0Jens Ulrich Thomas1Jens Hermann2Axel Ohlinger3Dominique de Ligny4Department of Materials Science and Engineering, Institut für Glas und Keramik, Friedrich-Alexander-Universitat Erlangen-Nürnberg (FAU), Martensstrasse 5, 91058 Erlangen, GermanySCHOTT AG, Hattenbergstraße 10, 55122 Mainz, GermanySCHOTT AG, Hattenbergstraße 10, 55122 Mainz, GermanySCHOTT AG, Hattenbergstraße 10, 55122 Mainz, GermanyDepartment of Materials Science and Engineering, Institut für Glas und Keramik, Friedrich-Alexander-Universitat Erlangen-Nürnberg (FAU), Martensstrasse 5, 91058 Erlangen, GermanyWe report an ultra-short-pulse laser welding process that allows one to consistently weld Borofloat<sup>®</sup> 33 glass to aluminum with a shear strength above 50 MPa. We explored the morphology of the welding seam and quantified the quality of the bonding by statistically determining the shear strength with more than 30 samples. The results of the shear strength tests indicate that the intrinsic shear strength of the aluminum serves as the upper limit of the glass-to-metal bond.https://www.mdpi.com/2072-666X/16/5/538laserultra-short-pulseweldingglassmetalbonding
spellingShingle Lukas Günther
Jens Ulrich Thomas
Jens Hermann
Axel Ohlinger
Dominique de Ligny
Ultra-Short-Pulse Laser Welding of Glass to Metal with a Shear Strength Above 50 MPa
Micromachines
laser
ultra-short-pulse
welding
glass
metal
bonding
title Ultra-Short-Pulse Laser Welding of Glass to Metal with a Shear Strength Above 50 MPa
title_full Ultra-Short-Pulse Laser Welding of Glass to Metal with a Shear Strength Above 50 MPa
title_fullStr Ultra-Short-Pulse Laser Welding of Glass to Metal with a Shear Strength Above 50 MPa
title_full_unstemmed Ultra-Short-Pulse Laser Welding of Glass to Metal with a Shear Strength Above 50 MPa
title_short Ultra-Short-Pulse Laser Welding of Glass to Metal with a Shear Strength Above 50 MPa
title_sort ultra short pulse laser welding of glass to metal with a shear strength above 50 mpa
topic laser
ultra-short-pulse
welding
glass
metal
bonding
url https://www.mdpi.com/2072-666X/16/5/538
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AT jensulrichthomas ultrashortpulselaserweldingofglasstometalwithashearstrengthabove50mpa
AT jenshermann ultrashortpulselaserweldingofglasstometalwithashearstrengthabove50mpa
AT axelohlinger ultrashortpulselaserweldingofglasstometalwithashearstrengthabove50mpa
AT dominiquedeligny ultrashortpulselaserweldingofglasstometalwithashearstrengthabove50mpa