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.
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