Hashim, S.A. (2009) Strength of Resin Coated-Adhesive Bonded Double Lap Shear Pultrusion Joints at Ambient Temperature. International Journal of Adhesion and Adhesives, 29(3), pp. 294-301. (doi: 10.1016/j.ijadhadh.2008.07.003)
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Abstract
The inherited adhesion limitation of polyester and vinyl ester resin-based pultruded GFRP makes pultrusions difficult to bond, especially when a thixotropic adhesive is used. While such an adhesive is necessary for gap filling, it has a limited wettability. Therefore, coating the adherend with low-viscosity epoxy resin, prior to bonding, improves wetting and hence increases joint strength. The paper describes the experimental methodology to achieve this, using double lap-shear (DLS) joints with various materials combinations. A significant strength improvement was reached as a result of coating the inner adherend in conjunction with using a “high adhesion” outer adherend. To further understand the effect of coating, numerical stress analysis was undertaken, including preliminary micro-models representing the composite/adhesive interface as well as overall DLS models.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Hashim, Dr Safa |
| Authors: | Hashim, S.A. |
| College/School: | College of Science and Engineering > School of Engineering > Systems Power and Energy |
| Journal Name: | International Journal of Adhesion and Adhesives |
| ISSN: | 0143-7496 |
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