Effect of environmental conditioning on pure mode I fracture behaviour of adhesively bonded joints

S. Abdel-Monsef*, J. Renart, L. Carreras, P. Maimí, A. Turon

*Kontaktforfatter

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8 Citationer (Scopus)

Abstrakt

The influence of different harsh environmental conditions on the fracture behaviour of secondary bonded adhesive joints is experimentally investigated using mode I DCB tests. Two types of adhesively bonded joints under wet-aged and non-aged conditions were tested at three temperatures: −55 °C, room temperature and 80 °C. The wet-aged specimens were exposed to accelerated ageing in an environmental chamber at 70 °C/85% RH for four years; meanwhile, the non-aged specimens were stored in the laboratory under controlled conditions at room temperature. It was observed that extremely long ageing time has a significant effect on the fracture response of the bonded joint, while the temperature increase is holding a slight impact. Freezing temperature leads to more brittle behaviour and a reduction in the fracture toughness.

OriginalsprogEngelsk
Artikelnummer102826
TidsskriftTheoretical and Applied Fracture Mechanics
Vol/bind110
ISSN0167-8442
DOI
StatusUdgivet - dec. 2020

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© 2020 Elsevier Ltd

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