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Use of silane coupling agents to enhance the performance of adhesively bonded alumina to resin hybrid composites |
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| Authors: | M. Tanoglu S.H. McKnight G.R. Palmese J.W. Gillespie Jr |
| Affiliation: | a Center for Composite Materials, Materials Science Program, University of Delaware Newark, DE 19716 USA b Army Research Lab., Aberdeen Proving Ground MD 21005 USA |
| Abstract: | Silane coupling agents were employed to improve the adhesion of vinyl-ester to alumina (Al2O3). Shear test by compression loading (ASTM D905) was used to study dry and wet adhesion. Scanning electron microscopy (SEM) was used to study the uniformity of silane coatings and the fracture modes after shear testing. Results showed that the adhesion and durability of the sandwiched alumina/vinyl-ester systems were significantly improved by certain silane surface treatment for most of the systems. |
| Keywords: | Adhesion Bond strength (materials) Alumina Composite materials Silanes Durability Shear stress Mechanical testing Scanning electron microscopy Interfacial energy Fracture mechanics Surface treatment Silane coupling agents Resin hybrid composites Interfacial strength Compression loading |
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