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The influence of UV level and exposure time on the performance of the epoxy based adhesive material

conference contribution
posted on 2017-01-01, 00:00 authored by Salah Khaleel, Riyadh Al-AmeriRiyadh Al-Ameri, Bernard RolfeBernard Rolfe, Tim HilditchTim Hilditch
Many advanced engineering applications adopt adhesive joints primarily for assembly. The performance of the adhesively bonded joints is affected by many environmental factors including the sunlight exposure. To evaluate the resistance to the sunlight, the adhesive material is assessed through standard mechanical tests including three points bending (3PBT) test after been exposed to different sunlight (Ultra Violet- UV) exposure level and time. In this investigation, accelerating weatherometer chamber is programmed to deliver two different ultra-violet levels and three intervals of exposure to simulate modified ultra-violet dosages based on Melbourne-Australia UV level conditions. Then 3PBT conducted. Test result shows noticeable change in the load carrying capacity of the beam in addition to a ductile behaviour in the fracture modes when increasing the UV dosage and exposure time. Post-failure and surface analyses showed significant change in colour and less change in the surface roughness. It is concluded that the UV exposure time has irreversible influence on the adhesive material, while the UV level has more influence than the exposure time.

History

Event

Iraqi Ministry of Higher Education and Scientific Research. Conference (1st : 2017 : Melbourne, Vic.)

Series

Iraqi Ministry of Higher Education and Scientific Research Conference

Pagination

31 - 37

Publisher

Swinburne University of Technology

Location

Melbourne, Vic.

Place of publication

Melbourne, Vic.

Start date

2017-12-05

End date

2017-12-06

ISBN-13

9781925761016

Language

eng

Publication classification

E Conference publication; E1 Full written paper - refereed

Copyright notice

2017, Swinburne University of Technology

Editor/Contributor(s)

R Al-Mahaidi, A Al-Mosawe, M Al-Younis

Title of proceedings

ISCA 2017 : Proceedings of The First MoHESR and HCED Iraqi Scholars Conference in Australasia 2017

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