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- Title
The interaction of epoxy adhesives with steel surfaces.
- Authors
Munkert, H.; Wegewitz, L.; Palkowski, H.; Voigts, F.; Maus-Friedrichs, W.
- Abstract
Deformable sandwich sheet materials have the advantage to be produced as raw materials and to be formed afterwards to even complex geometries. Moreover they are cost effective and predestinated for mass production. For such systems the necessity is given for a good bonding to guarantee a good shear transfer between the single layers. Because of deformation, failures by delamination often occur at the interface between the metal and the epoxy layer. Therefore investigations at this interface were performed using Atomic Force Microscopy (AFM) and X-ray Photoelectron Spectroscopy (XPS), to understand the basic effect of the surfaces' bonding behavior in selected preparation steps of the system. Basic information about the adhesion mechanisms between the stainless steel 316L and the epoxy is given. The chemical interaction between the epoxy and the steel results in a significant reduction of Fe3+ to Fe2+.
- Subjects
ADHESIVE testing; EPOXY compounds; DELAMINATION of composite materials; ADHESIVES; STEEL testing; ATOMIC force microscopy; X-ray photoelectron spectroscopy
- Publication
Materialwissenschaft und Werkstoffechnik, 2013, Vol 44, Issue 1, p36
- ISSN
0933-5137
- Publication type
Article
- DOI
10.1002/mawe.201300051