Enhancing interfacial strength between AA5083 and cryogenic adhesive via anodic oxidation and silanization
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Nanjing University of Aeronautics and Astronautics; University of ChesterPublication Date
2018-04-27
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AA5083 aluminum alloy was treated in turn with phosphoric-sulfuric acid anodic oxidation and then with silanization using the silane coupling agent KH560. A chemical bond (Si-O-Al) was created between the aluminum alloy and silane film, and a dehydration condensation reaction occurred between the silane film and cryogenic adhesive to enhance the bonding strength between the aluminum alloy and the cryogenic adhesive. Scanning electron microscopy, Energy dispersive spectroscopy, and Fourier transform infrared spectroscopy were used to explore the interfacial characteristics of the aluminum alloy both with and without the applied treatment. Furthermore, single lap shear tests and durability tests were performed to assess the adhesive strength of the interface between the aluminum alloy and the cryogenic adhesive at low temperature. The most improved interfacial strength using the anodic oxidation and the silanization treatments reached 33.96 MPa at −60 °C. The interface strength with the same treatments after the durability test was 25.4 MPa.Citation
Pan, L., Zhang, A., Zheng, Z., Duan, L., Zhang, L., Shi, Y. & Tao, J. (2018). Enhancing interfacial strength between AA5083 and cryogenic adhesive via anodic oxidation and silanization. International Journal of Adhesion and Adhesives, 84, 317-324.Publisher
ElsevierAdditional Links
https://www.sciencedirect.com/science/article/pii/S0143749618300988Type
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enae974a485f413a2113503eed53cd6c53
10.1016/j.ijadhadh.2018.04.006
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Except where otherwise noted, this item's license is described as https://creativecommons.org/licenses/by-nc-nd/4.0/