Acta Mechanica Slovaca 2020, 24(4):24-34 | DOI: 10.21496/ams.2020.033

Surface Preparation when Joining Dissimilar Steels by Adhesive Bonding

Anna Guzanová ORCID...1, Dagmar Draganovská ORCID...1, Miroslav Tomáš ORCID...2, Erik Janoško ORCID...1, Róbert Moro1
1 Technical University of Košice, Faculty of Mechanical Engineering, Department of Technology, Materials and Computer Aided Production, Mäsiarska 74, 040 01 Košice
2 Technical University of Košice, Faculty of Mechanical Engineering, Department of Automotive Production, Mäsiarska 74, 040 01 Košice

The paper deals with the application of different types of surface preparation before the formation of glued joints made of the same and different steels. Iron phosphate, chromate-free passivation and an experimental preparation based on organosilane were tested. Deep-drawn uncoated steel DC04 and HSLA galvanized steel HX340LAD+Z were joined by adhesive bonding. When applying all types of surface preparation, the joints´ strength was achieved at least at the level of the yield strength of weaker material (DC04). Surface preparation with organosilane leads to a bond strength that is close to the yield strength of a stronger material (HX340LAD+Z) and, therefore, can be recommended for bonding of steels with higher strength.

Keywords: surface preparation; adhesive bonding; dissimilar materials; shear strength

Published: December 22, 2020  Show citation

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Guzanová, A., Draganovská, D., Tomáš, M., Janoško, E., & Moro, R. (2020). Surface Preparation when Joining Dissimilar Steels by Adhesive Bonding. Acta Mechanica Slovaca, 24(4), 24-34. doi: 10.21496/ams.2020.033
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