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Effect of Surface Preparation and Thermoplastic Adhesive Structure on the Adhesion Behavior of Peek®/Graphite Composites

Published online by Cambridge University Press:  21 February 2011

Tae-Ho Yoon  and
James E. McGrath
Tae-Ho Yoon
Affiliation:
Chemistry Department, NSF Science and Technology Center: High Performance Polymeric Adhesives and Composites, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061–02012
James E. McGrath*
Affiliation:
Chemistry Department, NSF Science and Technology Center: High Performance Polymeric Adhesives and Composites, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061–02012
*
*To whom correspondence should be addressed
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Abstract

Adhesion behavior of APC-2/AS4 PEEK/Graphite composite has been studied by varying the surface preparation techniques such as acetone washing, grit blasting and several plasma gas etching treatments. Poly(imide-siloxane) segmented copolymer prepared in our laboratory and Ultem® 1000 were utilized as adhesives. Single lap shear samples were prepared from the PEEK/Graphite composite and compression molded adhesive films. Excellent single lap shear strength values were obtained at room temperature. The morphology and elemental change by surface preparation of the adherend were monitored by scanning electron microscope(SEM) and x-ray photoelectron spectroscopy(XPS). Plasma etch treatments were effective for improving the adhesion characteristics.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 190: Symposium M – Plasma Processing and Synthesis of Materials III , 1990 , 137
Copyright
Copyright © Materials Research Society 1991

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References

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