Influence of Laser Surface Treatment for Process-Integrated Joining of Textile Reinforced Thermoplastic Composites to Metal Sheets

Laser-structured metal surfaces in combination with thermoplastic compression mould processes allow intrinsic hybrid structures with high-strength connections. Suitable process parameters are still to be identified to provide optimised assembly parameters. Therefore, laser structures with different...

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Bibliographic Details
Published in:Key engineering materials 2017-07, Vol.742, p.366-373
Main Authors: Krahl, Michael, Kirchhoff, Marc, Koshukow, Wikentij, Gude, Maik, Götz, Peter
Format: Article
Language:English
Subjects:
Assembly
Boundary conditions
Compressive strength
Hybrid structures
Joining
Laser processing
Lasers
Metal sheets
Metal surfaces
Molds
Parameter identification
Polymer matrix composites
Pressure molding
Process parameters
Pulse duration
Scanning
Shear tests
Structural steels
Surface treatment
Thermoplastic composites
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Description
Summary:Laser-structured metal surfaces in combination with thermoplastic compression mould processes allow intrinsic hybrid structures with high-strength connections. Suitable process parameters are still to be identified to provide optimised assembly parameters. Therefore, laser structures with different configurations are applied to steel sheets and compressed with textile reinforced thermoplastic composites to manufacture hybrid structures. Laser processing parameters, such as pulse duration or energy as well as laser scanning strategies and therefore structure dimensions are analysed.After manufacturing, specimens are extracted and characterized in single-lap shear tests comparing different configurations to identify boundary conditions for the laser structuring with optimal bonding characteristics.
ISSN:1013-9826
1662-9795
1662-9795
DOI:10.4028/www.scientific.net/KEM.742.366