Laser transmission welding of PEKK: Influence of material properties and process parameters on the weld strength

Autor: Matus Aguirre, Marcela, Garnier, Christian, Gilblas, Rémi, Benoit, Cosson, Akue Asseko, Andre Chateau, Schmidt, Fabrice, Chabert, France
Přispěvatelé: Institut Clément Ader (ICA), Institut Supérieur de l'Aéronautique et de l'Espace (ISAE-SUPAERO)-Institut National des Sciences Appliquées - Toulouse (INSA Toulouse), Institut National des Sciences Appliquées (INSA)-Université de Toulouse (UT)-Institut National des Sciences Appliquées (INSA)-Université de Toulouse (UT)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Centre National de la Recherche Scientifique (CNRS)-IMT École nationale supérieure des Mines d'Albi-Carmaux (IMT Mines Albi), Institut Mines-Télécom [Paris] (IMT)-Institut Mines-Télécom [Paris] (IMT), Centre for Materials and Processes (CERI MP - IMT Nord Europe), Ecole nationale supérieure Mines-Télécom Lille Douai (IMT Nord Europe), Laboratoire Génie de Production (LGP), Ecole Nationale d'Ingénieurs de Tarbes (ENIT), Institut National Polytechnique (Toulouse) (Toulouse INP), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université de Toulouse (UT)-Université de Toulouse (UT), Lukasz Madej, Mateusz Sitko, Konrad Perzynski
Jazyk: angličtina
Rok vydání: 2023
Předmět:
Zdroj: Materials Research Proceedings
ESAFORM 2023-26th International Conference on Material Forming
ESAFORM 2023-26th International Conference on Material Forming, Apr 2023, Cracovie, Poland. pp.1829-1840, ⟨10.21741/9781644902479-198⟩
DOI: 10.21741/9781644902479-198⟩
Popis: International audience; Abstract. Laser transmission welding (LTW) is a suitable process for assembling thermoplastic materials. This joining process is use to assembly most thermoplastics, but high-performance thermoplastics, such as polyetherketoneketone (PEKK), have received less attention until now. The present work deals with joining PEKK parts by LTW in amorphous over semi-crystalline state configuration. The optical properties of amorphous and semi-crystalline states were measured. The effect of the upper part thickness (2 or 4 mm) and those of the laser power reaching the interface was assessed through the determination of the heat affected zone (HAZ) dimensions and the mechanical resistance of the bonds. Single lap shear (SLS) tests were conducted to investigate the influence of the process parameters on the interfacial strength and to validate the weld quality. The highest LSS is obtained around 60 MPa. When increasing the laser power, the dimensions of the HAZ increase, and the mechanical strength decreases.
Databáze: OpenAIRE
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