Adhesion and Adhesives: Science and TechnologyOver the last decade, or so, the growth in the use of adhesives, especially in ever more technically demanding applications, has been rapid and many major developments in the technology of adhesives have been reported. This growth has also led to attention being focused on somewhat more basic studies of the science of adhesion and adhesives, and in recent years our level of fundamental knowledge concerning the formation and mechanical performance of adhesive joints has increased dramatically. Such studies have, of course, been aided greatly by the development of the tools at the disposal of the investigators. For example, specific surface analytical techniques, such as X-ray photoelectron and secondary-ion mass spectroscopy, and the increasingly sophisticated methods of stress analysis and fracture mechanics have been put to good use in furthering our understanding of the science of adhesion and adhesives. The present book attempts to review the multidisciplined subject of adhesion and adhesives, considering both the science and technology involved in the formation and mechanical performance of adhesive joints. The author would like to thank his friends and colleagues for useful discus sions and help in the preparation of this book. I am particularly grateful to P. Cawley, J. Comyn, W. A. Lees, A. C. Roulin-Moloney, W. C. Wake, J. G. Williams and R. J. Young who have read and commented on various chapters and P. Farr for preparing the diagrams. |
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Page 24
... Anodized aluminium 1.47 Sealed anodized aluminium Phosphated aluminium 1.08 1.01 2.4 SURFACE AND INTERFACIAL FREE ENERGIES A distinction may be made between low - energy and high - energy solid surfaces . Organic compounds , such as ...
... Anodized aluminium 1.47 Sealed anodized aluminium Phosphated aluminium 1.08 1.01 2.4 SURFACE AND INTERFACIAL FREE ENERGIES A distinction may be made between low - energy and high - energy solid surfaces . Organic compounds , such as ...
Page 33
... ( anodized ) 125 44 169 Note : The values quoted are at the test temperature given in the original reference , thus some of the apparent discrepancies arise from different test temperatures , with the exception of the y and y which are at ...
... ( anodized ) 125 44 169 Note : The values quoted are at the test temperature given in the original reference , thus some of the apparent discrepancies arise from different test temperatures , with the exception of the y and y which are at ...
Page 59
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Contents
18 | |
Mechanisms of adhesion | 56 |
Surface pretreatments | 101 |
References | 164 |
Hardening of the adhesive | 171 |
Mechanical behaviour of adhesive joints | 188 |
Fracture mechanics of adhesive joints | 264 |
The service life of adhesive joints | 339 |
Glossary | 405 |
Author index | 412 |
Subject index | 425 |
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Common terms and phrases
adhesive and substrate adhesive bonding adhesive fracture energy adhesive joints adhesive layer aluminium alloy aluminium oxide anodized Appl Applied Science Pub ASTM behaviour boundary layer bulk butt joint Chem chemical chromic acid Colloid Interf contact angle crack growth crack tip crosslinked Cyanoacrylate discussed effect elastic electron employed environment environmental attack epoxy epoxy adhesive Equation etching example experimental factor Figure fracture mechanics hardening hydrogen bonds increase interface joint failure joint geometry joint strength Kinloch lap joint lap-shear liquid load materials measured mechanical interlocking method mJ/m² modulus molecular molecules occur oxide layer parameters peel energy plastic polyethylene polyimide Polymer Sci polymeric primer rubber rubbery adhesive Section shear stress shown in Fig silane solvent specimen steel strain stress concentrations structural adhesives substrate substrate surface surface free energy surface pretreatment surface regions techniques tensile stresses thickness treatment typically value of G viscoelastic weak boundary layer wetting