Effect of elevated temperatures and humidity on glass/steel adhesive joints
Effect of elevated temperatures and humidity on glass/steel adhesive joints
Glass/steel adhesive joints are being used increasingly in the construction industry as they offer significant structural advantages. While humidity and elevated temperatures are known to lead to the degradation of both the bulk adhesive materials and the bonded interfaces, quantification and prediction of the degradation effects are currently lacking. In this paper, the effects of elevated temperatures and humidity were determined and predicted by employing a combined experimental and numerical methodology. Bulk material and interface characterisation tests were performed to quantify the degradation of the bulk material properties and the glass/steel interfaces. Two numerical methodologies were devised and compared based on their ability to predict failure of glass/steel adhesive joints following environmental exposure, namely a continuum mechanics approach based on the bulk properties of the adhesive, and a cohesive zone modelling approach that assesses damage and failure based on the glass/steel interface properties. The results highlight the significantly different relative contributions of bulk property and interface degradation depending on the type of adhesive used.
Glass, Finite Element Analysis, Cohesive zone model, Durability, Environmental exposure, Humidity, Elevated temperature
Katsivalis, Ioannis
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Thomsen, Ole
f3e60b22-a09f-4d58-90da-d58e37d68047
Feih, Stefanie
993c164c-b69f-40ce-b80f-d976a9989175
Achintha, Mithila
8163c322-de6d-4791-bc31-ba054cc0e07d
1 October 2020
Katsivalis, Ioannis
d5162f7b-334f-4955-863a-75dba6f48d9b
Thomsen, Ole
f3e60b22-a09f-4d58-90da-d58e37d68047
Feih, Stefanie
993c164c-b69f-40ce-b80f-d976a9989175
Achintha, Mithila
8163c322-de6d-4791-bc31-ba054cc0e07d
Katsivalis, Ioannis, Thomsen, Ole, Feih, Stefanie and Achintha, Mithila
(2020)
Effect of elevated temperatures and humidity on glass/steel adhesive joints.
International Journal of Adhesion and Adhesives, 102, [102691].
(doi:10.1016/j.ijadhadh.2020.102691).
Abstract
Glass/steel adhesive joints are being used increasingly in the construction industry as they offer significant structural advantages. While humidity and elevated temperatures are known to lead to the degradation of both the bulk adhesive materials and the bonded interfaces, quantification and prediction of the degradation effects are currently lacking. In this paper, the effects of elevated temperatures and humidity were determined and predicted by employing a combined experimental and numerical methodology. Bulk material and interface characterisation tests were performed to quantify the degradation of the bulk material properties and the glass/steel interfaces. Two numerical methodologies were devised and compared based on their ability to predict failure of glass/steel adhesive joints following environmental exposure, namely a continuum mechanics approach based on the bulk properties of the adhesive, and a cohesive zone modelling approach that assesses damage and failure based on the glass/steel interface properties. The results highlight the significantly different relative contributions of bulk property and interface degradation depending on the type of adhesive used.
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Accepted/In Press date: 2 July 2020
e-pub ahead of print date: 19 July 2020
Published date: 1 October 2020
Keywords:
Glass, Finite Element Analysis, Cohesive zone model, Durability, Environmental exposure, Humidity, Elevated temperature
Identifiers
Local EPrints ID: 442985
URI: http://eprints.soton.ac.uk/id/eprint/442985
ISSN: 0143-7496
PURE UUID: 18dff0eb-59e5-4e59-9d18-583f84c59b2b
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Date deposited: 05 Aug 2020 16:30
Last modified: 17 Mar 2024 05:48
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Contributors
Author:
Ioannis Katsivalis
Author:
Stefanie Feih
Author:
Mithila Achintha
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