Abstract
Hot-formed high strength steels like 22MnB5+AS150 with an aluminum-silicon (AlSi) coating are widely used in modern cars for lightweight and safety purpose. An advantage of the AlSi-coating is its property to be suitable for direct hot forming, because it protects the steel from oxidation and decarburization during the process. Brittle phases in the coating arise due to temperature driven diffusion during the hot forming process. These phases are responsible for a reduced bonding strength of about 30% at dynamic loading. If the brittle coating is removed e.g. by a shot blasting process, the bonding strength can be improved to a maximum, only restricted by the geometry and adhesive properties. The same effect can be observed if the coating is remelted by a laser instead of removing.
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References
Karbasian, H., Tekkaya, A.E.: A review on hot stamping. J. Mater. Process. Technol. 210, 2103–2118 (2010)
ArcelorMittal: product information. (2016)
da Silva, L.F.M., Öchsner, A., Adams, R.D.: Introduction to adhesive bonding technology. In: Handbook of Adhesion Technology, pp. 1–10 (2011)
Dilger, K., Kreling, S.: Adhesive bonding techniques for advanced high-strength steels (AHSS). In: Welding and Joining of Advanced High Strength Steels (AHSS), pp. 167–179 (2015)
Zolotorevsky, V.S., Belov, N.A., Glazoff, M.V.: Casting Aluminum Alloys (2007)
Windmann, M., Röttger, A., Theisen, W.: Phase formation at the interface between a boron alloyed steel substrate and an Al-rich coating. Surf. Coat. Technol. 226, 130–139 (2013)
Wagner, A., Lütke, M., Wetzig, A., Eng, L.M.: Laser remote-fusion cutting with solid-state lasers. J. Laser Appl. 25, 052004 (2013)
Haynes, W.M.: CRC Handbook of Chemistry and Physics (2011)
Köster, U., Liu, W., Liebertz, H., Michel, M.: Mechanical properties of quasicrystalline and crystalline phases in Al-Cu. J. Non-Cryst. Solids 153–154, 446–452 (1993)
Kubošová, A., Karlík, M., Haušild, P., Prahl, J.: Fracture behaviour of Fe3Al and FeAl type iron aluminides. Mater. Sci. Forum 567–568, 349–352 (2008)
Mein, A., Fourlaris, G., Crowther, D., Evans, P.J.: The influence of aluminium on the ferrite formation and microstructural development in hot rolled dual-phase steel. Mater. Charact. 64, 69–78 (2012)
Kreling, S., Bischof, M., Frauenhofer, M., Dilger, K.: AiF FOSTA UsiBond—Adhesive Bonding of Press Hardened Steels. In: Joining in Car Body Engineering, 12–14 April 2011, Bad Nauheim (2011)
Bergweiler, G.: Lokale Wärmebehandlung mit Laserstrahlung zur Verbesserung der Umform- und Funktionseigenschaften von hochfesten Stählen, Ph.D. Thesis, RWTH Aachen (2013)
Windmann, M., Röttger, A., Kügler, H., Theisen, W., Vollertsen, F.: Laser beam welding of aluminum to Al-base coated high-strength steel 22MnB5. J. Mater. Process. Technol. 217, 88–95 (2015)
DIN EN 1465: Adhesives—Determination of tensile lap-shear strength of bonded assemblies (2009)
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Wieczorek, A., Graul, M., Dilger, K. (2017). Bonding Strength of Hot-Formed Steel with an AlSi Coating and Approaches to Improve It by Laser Surface Engineering. In: Silva, L. (eds) Materials Design and Applications. Advanced Structured Materials, vol 65. Springer, Cham. https://doi.org/10.1007/978-3-319-50784-2_29
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DOI: https://doi.org/10.1007/978-3-319-50784-2_29
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