The Impact of the Selected Exploitation Factors on the Adhesive Joints Strength

Rudawska, Anna; Miturska, Izabela; Szabelski, Jakub; Wahab, Magd Abdel; Stančeková, Dana; Čuboňová, Nadežda; Madleňák, Radovan

doi:10.1007/978-981-13-8331-1_72

Cited by 3 publications

(2 citation statements)

References 28 publications

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“…Despite the many benefits of epoxy resins and adhesives formed on their basis, one of their disadvantages is a certain sensitivity to operating conditions, precisely elevated temperatures [ 70 , 71 , 72 , 73 , 74 , 75 ], elevated pressures [ 76 ] and other interdependent factors, such as chemical agents typical of aerospace operations: water, jet fuel, hydraulic fluid and fuel additive [ 77 , 78 ]. The problem of the thermal degradation of epoxy adhesives has particularly been given much attention.…”

Section: Discussionmentioning

confidence: 99%

Adhesive Joint Degradation Due to Hardener-to-Epoxy Ratio Inaccuracy under Varying Curing and Thermal Operating Conditions

et al. 2022

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This paper presents the results of an experimental study of adhesive joint strength with consideration of the inaccuracy of the hardener dosage, in the context of evaluating the degradation of joints when used either at ambient or elevated temperatures. The butt joint strength characteristics were assessed for two types of adhesives—rigid and flexible—and two curing scenarios—with and without heat curing. An excess hardener was shown to be significantly more unfavourable than its deficiency, which can ultimately be considered as a recommendation for forming epoxy adhesive joint assemblies. In order to fully understand the relationship between the analysed mechanical properties of the material and the influence of component ratio excesses and heating, a process of fitting basic mathematical models to the obtained experimental data was also performed.

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Section: Discussionmentioning

confidence: 99%

Adhesive Joint Degradation Due to Hardener-to-Epoxy Ratio Inaccuracy under Varying Curing and Thermal Operating Conditions

et al. 2022

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“…The operating environment of polymeric materials has a significant impact on their strength and durability. Aging is associated with changes in the characteristics of the polymer material due to factors such as UV radiation [36][37][38], temperature and its variation [39][40][41][42][43], humidity/water environment [44][45][46][47][48][49][50][51], chemical agents [52][53][54][55] or simply long storage time [56]. Long-term exposure to atmospheric factors can lead to a reduction in their tensile, compressive and bending strength, etc.…”

Section: Introductionmentioning

confidence: 99%

Modification of Epoxides with Metallic Fillers—Mechanical Properties after Ageing in Aqueous Environments

Rudawska,

Szabelski,

Frigione

et al. 2023

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The aim of this research was a comparative analysis of selected mechanical properties of epoxy compounds that were modified with metallic fillers and aged in aqueous environments. The tested epoxy compounds consisted of three components: styrene modified epoxy resin based on Bisphenol A, triethylenetetramine curing agent (resin/curing agent ratio of 100:10) and two types of metallic fillers in the form of particles: aluminum alloy (EN AW-2024–AlCu4Mg1) and tin-phosphor bronze (CuSn10P). Samples were subjected to ageing in 4 water environments: low-, medium- and high-mineralized natural water and in a sugar-containing solution for 1, 2 and 3 months. The epoxy samples were subjected to compressive strength tests in accordance with the ISO 604:2002 standard. It was observed that, among others, the compositions seasoned in low-mineralized water usually achieved the highest average compressive strength. As for filler type, using the bronze filler (CuSn10P) usually achieved the highest average compressive strength results.

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