Activating adherend surfaces by applying arc-discharge treatment

The demands on adhesive joints and for their long-term durability, especially under extreme environmental conditions, are steadily increasing. Most of the currently used chemical methods of adherend surface pretreatment that lead to high values of strength and ageing resistance are no longer accepta...

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Bibliographic Details
Published in:International journal of adhesion and adhesives 1997, Vol.17 (3), p.203-206
Main Authors: Kleinert, H., Groβer, S., Schultrich, B., Siemroth, P.
Format: Article
Language:English
Subjects:
Applied sciences
B. aluminium and alloys
B. surface treatment
C. destructive testing
C. microscopy
Exact sciences and technology
Metals. Metallurgy
Other surface treatments
Production techniques
Surface treatment
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Summary:The demands on adhesive joints and for their long-term durability, especially under extreme environmental conditions, are steadily increasing. Most of the currently used chemical methods of adherend surface pretreatment that lead to high values of strength and ageing resistance are no longer acceptable for environmental reasons. As a possible alternative method, a pretreatment utilising the physical energy of arc discharges was studied. It was found that the strength and ageing resistance of adhesive joints prepared with the one-step arcing procedure was of the same order as, or even better than, those with the best chemical pretreatment technologies currently available. The research is continuing, with the focus on obtaining higher working speeds, optimising the procedure and its application to different materials.
ISSN:0143-7496
1879-0127
DOI:10.1016/S0143-7496(97)00002-X