What is it about?
The static strength following environmental degradation was evaluated using a tensile lap shear structural adhesive joint coated with an anticorrosive coating, assuming application to the exposed part. The acceptable design adhesive strength in shipbuilding was evaluated using the strength retention rate ηd (mean strength after deterioration/initial mean strength) and coefficient of variation CV (standard deviation/mean strength) after deterioration.
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Why is it important?
This result indicates that the adhesive joint is available even for the exposure section, if the adhesive joint is protected similar to adherend steel with anticorrosive paint, which is common in the field of shipbuilding.
Perspectives
In the field of the structural adhesive, the situation that studies on long-term durability evaluation are not enough is obstacle for practical use. I hope that practical use is promoted by this article.
Toshiaki IWATA
National Institute of Maritime, Port and Aviation Technology
Read the Original
This page is a summary of: Durability of anticorrosive-coated steel–carbon fiber reinforced polymer structural adhesive joint at high temperature and humidity, International Journal of Adhesion and Adhesives, September 2024, Elsevier,
DOI: 10.1016/j.ijadhadh.2024.103790.
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