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http://dx.doi.org/10.6117/kmeps.2020.27.4.127

Effects of Adherend Thickness on Adhesive Strength between Organic Adhesive and Metal Adherend  

Ha, Yungeun (Division of Materials Science and Engineering, Pusan National University)
Sim, Jun-Hyung (Division of Materials Science and Engineering, Pusan National University)
Baeg, Ju-Hwan (Division of Materials Science and Engineering, Pusan National University)
Kim, Min-Kyun (Division of Materials Science and Engineering, Pusan National University)
Cho, Young-Rae (Division of Materials Science and Engineering, Pusan National University)
Publication Information
Journal of the Microelectronics and Packaging Society / v.27, no.4, 2020 , pp. 127-133 More about this Journal
Abstract
It is important to measure the quantitative adhesive strength between an organic adhesive and a metal adherend. In measuring the adhesive strength between an organic adhesive and a metal adherend, the effect of the kind and thickness of the adherend on the adhesive strength was studied. Two kinds of metal adherends were selected, aluminum (Al1050) and stainless steel (STS304), and a dolly test and a lap shear test were used to measure the adhesive strength. When measuring the adhesive strength between the organic adhesive and the metal adherend by the tensile stress mode of dolly test, the change in the thickness of the metal adherend had little effect on the adhesive strength, however, the adhesive strength was different depending on the kind of the adherend. On the other hand, when measuring the adhesive strength between the organic adhesive and the metal adherend by the lap shear test, the change in the relative thickness of the metal adherend had an effect on the adhesive strength. The reason is that the bending phenomenon of the adherend occurring in the edge of bonding region during the lap shear test contributes to lowering the adhesive strength by generating additional tensile stress in the bonding region. From this work, it is concluded that the dolly test could be widely used when measuring the quantitative adhesive strength of organic adhesives and metal adherend because there is little change in adhesive strength even though the thickness of the adherend is changed.
Keywords
adhesive strength; organic adhesive; metal adherend; Dolly test; lap shear test;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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