2022
DOI: 10.1177/09544089221105850
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Influence of accelerated corrosion on bi-material steel-CFRP double-lap joints bonded with thick adhesive

Abstract: Bi-material steel-composite joints attract interest for marine applications. The marine environment imposes corrosion which is a prolonged process. This work presents a two-electrode electrochemical setup for accelerating free corrosion of the steel surfaces of bi-material joints. It is used to study the impact of accelerated corrosion on the mechanical performance of bi-material double lap specimens subjected to quasi-static tensile testing. Several test series have been conducted to evaluate the influence of… Show more

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Cited by 3 publications
(5 citation statements)
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“…The shear strain values (referring to the strain concentration pattern) at the upper bondline of the joint in unaged specimens are significantly higher compared to aged specimens. These findings support the hypothesis that the ductility of the adhesive has been affected by ageing, which was recently confirmed by Jaiswal et al (22).…”
Section: (C) Shear Strain Distribution At the Cross-section Of The Jo...supporting
confidence: 91%
See 3 more Smart Citations
“…The shear strain values (referring to the strain concentration pattern) at the upper bondline of the joint in unaged specimens are significantly higher compared to aged specimens. These findings support the hypothesis that the ductility of the adhesive has been affected by ageing, which was recently confirmed by Jaiswal et al (22).…”
Section: (C) Shear Strain Distribution At the Cross-section Of The Jo...supporting
confidence: 91%
“…A comparable residual strength was observed for unaged double strap joints and identical specimens subjected to salt spray ageing (36). In contrast, electrochemically aged specimens (introducing accelerated corrosion on the steel substrates) exhibited a higher shear strength than unaged specimens, which was attributed to fast residual curing of the adhesive during aging (22), facilitated by an increased release of copper ions from the anode. The bondlines demonstrated various energy dissipation mechanisms in the form of high deformation, multiple cracking and Poisson's effects in steel to steel DCB joint bonded with thick layer of MMA under Mode-I loading condition.…”
Section: Introductionmentioning
confidence: 93%
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“…The project's main goal is to provide qualification guidelines for real scale adhesive joints for lightweight and safe maritime transport. In this project, different types of small and large-scale (bi-material) joints bonded with a thick layer of methyl methacrylate adhesive have been subjected to various mechanical and environmental loads to quantitatively evaluate their mechanical performance (Saeedifar et al, 2019;Jaiswal et al, 2020;Jaiswal, Kumar and De Waele, 2020;Saleh et al, 2020;Askarinejad et al, 2021;Iyer Kumar, Jaiswal and De Waele, 2022;Jaiswal, Iyer Kumar, et al, 2023;.…”
Section: Introductionmentioning
confidence: 99%