2018
DOI: 10.1080/00218464.2018.1556100
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Hygrothermal aging of an epoxy/dicyandiamide structural adhesive – influence of water diffusion on the durability of the adhesive/galvanized steel interface

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Cited by 16 publications
(6 citation statements)
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“…The water diffusion test results, presented in Figure 9, show a 2-stage water uptake: a 1st stage after approximately 12 days after the aging procedure starts, at 3.15%; a second stage was in initiated with 8.2% of water after 105 days. Although not common, similar behavior has already been reported in other studies, 40,41 where the authors found that other formulations, such as Langmuir model, could better fit this behavior; the authors believe the reason for this behavior is mostly related with relaxation phenomena in the polymeric chain of the adhesives. 42,43 The water uptake behavior for the 1st stage results was reproduced by the Fick's law relation 39,44 (see Equation 2) using an iterative process with Matlab software.…”
Section: Water Uptake Diffusionsupporting
confidence: 82%
“…The water diffusion test results, presented in Figure 9, show a 2-stage water uptake: a 1st stage after approximately 12 days after the aging procedure starts, at 3.15%; a second stage was in initiated with 8.2% of water after 105 days. Although not common, similar behavior has already been reported in other studies, 40,41 where the authors found that other formulations, such as Langmuir model, could better fit this behavior; the authors believe the reason for this behavior is mostly related with relaxation phenomena in the polymeric chain of the adhesives. 42,43 The water uptake behavior for the 1st stage results was reproduced by the Fick's law relation 39,44 (see Equation 2) using an iterative process with Matlab software.…”
Section: Water Uptake Diffusionsupporting
confidence: 82%
“…The key factor in the damage found in adhesive joints due to moisture ingress is, oftentimes, diffusion through the adhesive/substrate interface, since it may lead to the complete separation of the substrate and the adhesive. 50 Zanni-Deffarges and Shanahan 51 conducted an experimental work to determine the coefficient of diffusion, D, of an epoxy adhesive bulk and within an adhesive joint, reporting that, in the adhesive joint, D of the adhesive was almost an order of magnitude higher. Therefore, it was concluded that not only was water diffusing through the adhesive, but it was also following different paths, the interface between the adhesive and the substrate.…”
Section: Mechanisms Of Moisture Agingmentioning
confidence: 99%
“…These findings suggest that the Zn-Al-Mg coating has better corrosion resistance in a water environment than the Zn-Al coating. To understand the difference in their corrosion resistance, it is crucial to investigate the interfacial interaction between the two coatings and the adhesive, as well as the behavior of water molecules in the interfaces [38].…”
Section: Interfacial Bonding Performance Between Epoxy Adhesive and G...mentioning
confidence: 99%