Laser Surface Modification and Adhesion

<p>Preface xv<br /> <br /> Part 1: Laser Surface Treatment/Modification to Enhance Adhesion<br /> <br /> 1 Nd:YAG Laser Surface Treatment of Various Materials to Enhance Adhesion 3<br /> A. Buchman, M. Rotel and H. Dodiuk–Kenig<br /> <br /> 1.1 Introduction 4<br /> <br /> 1.2 Methodology 13<br /> <br /> 1.3 Experimental 13<br /> <br /> 1.4 Results 17<br /> <br /> 1.5 Conclusions 49<br /> <br /> References 51<br /> <br /> 2 Effects of Excimer Laser Treatment on Self–Adhesion Strength of Some Commodity (PS, PP) and Engineering (ABS) Plastics 55<br /> Erol Sancaktar, Hui Lu and Nongnard Sunthonpagasit<br /> <br /> 2.1 Introduction 56<br /> <br /> 2.2 Background and Literature Survey 56<br /> <br /> 2.3 Ultrasonic Welding of Thermoplastics 65<br /> <br /> 2.4 Experimental Procedures 71<br /> <br /> 2.5 Results and Discussion 74<br /> <br /> 2.6 Summary and Conclusions 94<br /> <br /> References 97<br /> <br /> 3 Laser Surface Pre–Treatment of Carbon Fiber–Reinforced Plastics (CFRPs) for Adhesive Bonding 103<br /> F. Fischer, S. Kreling and K. Dilger<br /> <br /> 3.1 Introduction 103<br /> <br /> 3.2 State–of–Research 105<br /> <br /> 3.3 Materials and Methods 110<br /> <br /> 3.4 Laser Sources and Principles 112<br /> <br /> 3.5 Results 121<br /> <br /> 3.6 Summary 134<br /> <br /> References 135<br /> <br /> 4 Laser Surface Modification of Fibers for Improving Fiber/Resin Interfacial Interactions in Composites 139<br /> Anil N. Netravali<br /> <br /> 4.1 Introduction 140<br /> <br /> 4.2 Excimer Laser Treatment of UHMWPE Fibers 143<br /> <br /> 4.3 Excimer Laser Treatment of Vectran Fibers 154<br /> <br /> 4.4 Excimer Laser Treatment of Aramid Fibers 159<br /> <br /> 4.5 Excimer Laser Treatment of Cellulose Fibers 160<br /> <br /> 4.6 Summary 161<br /> <br /> References 162<br /> <br /> 5 Laser Surface Modification in Dentistry: Effect on the Adhesion of Restorative Materials 167<br /> Regina Guenka Palma–Dibb, Juliana Jendiroba Faraoni–Romano and Walter Raucci–Neto<br /> <br /> 5.1 Introduction 167<br /> <br /> 5.2 Dental Structures 173<br /> <br /> 5.3 Adhesion of Restorative Materials 180<br /> <br /> 5.4 Laser Light Interaction with the Dental Substrate 186<br /> <br /> 5.5 Dental Structure Ablation and Influence on Bond Strength of Restorative Materials 190<br /> <br /> 5.6 Summary and Prospects 196<br /> <br /> References 196<br /> <br /> Part 2: Other Effects/Applications of Laser Surface Treatment<br /> <br /> 6 Fundamentals of Laser–Polymer Interactions and their Relevance to Polymer Metallization 205<br /> Piotr Rytlewski<br /> <br /> 6.1 Introduction 205<br /> <br /> 6.2 Impact of Laser Radiation on a Polymeric Material 208<br /> <br /> 6.3 Laser Selection Criteria 215<br /> <br /> 6.4 Surface Modification of Polymeric Materials Below Ablation Threshold 220<br /> <br /> 6.5 Surface Modification of Polymeric Materials Above Ablation Threshold 233<br /> <br /> 6.6 Application of Lasers to Polymer Metallization 241<br /> <br /> 6.7 Summary 251<br /> <br /> Acknowledgement 252<br /> <br /> References 252<br /> <br /> 7 Laser Patterning of Silanized Carbon/Polymer Bipolar Plates with Tailored Wettability for Fuel Cell Applications 263<br /> Martin Schade, Steffen Franzka, Anja Schr ter, Franco Cappuccio, Volker Peinecke, Angelika Heinzel and Nils Hartmann<br /> <br /> 7.1 Introduction 264<br /> <br /> 7.2 Silane–based Coatings 269<br /> <br /> 7.3 Laser Processing of Silane–based Coatings 271<br /> <br /> 7.4 Fabrication and Plasma Activation of Bipolar Plates 272<br /> <br /> 7.5 Silanization of Bipolar Plates 276<br /> <br /> 7.6 Laser Processing of Bipolar Plates 278<br /> <br /> 7.7 Summary 282<br /> <br /> 7.8 Prospects 283<br /> <br /> Acknowledgments 283<br /> <br /> References 284<br /> <br /> 8 Predominant and Generic Parameters Governing the Wettability Characteristics of Selected Laser–modified Engineering Materials 289<br /> Jonathan Lawrence, David Waugh and Hao Liang<br /> <br /> 8.1 Introduction 290<br /> <br /> 8.2 Modification of Wettability Characteristics Using Laser Beams 291<br /> <br /> 8.3 Laser Wettability Characteristics Modification of Selected Ceramics 296<br /> <br /> 8.4 Laser Wettability Characteristics Modification of Selected Metals 307<br /> <br /> 8.5 Laser Wettability Characteristics Modification of a Selected Polymer 316<br /> <br /> 8.6 Summary and Conclusions 329<br /> <br /> References 331<br /> <br /> 9 Laser Surface Engineering of Polymeric Materials and the Effects on Wettability Characteristics 337<br /> D.G. Waugh, D. Avdic, K.J. Woodham and J. Lawrence<br /> <br /> 9.1 Introduction 337<br /> <br /> 9.2 Wettability Characteristics 338<br /> <br /> 9.3 &nbsp;State–of–the–Art Surface Engineering Techniques 345<br /> <br /> 9.4 Summary 366<br /> <br /> References 367<br /> <br /> 10 Water Adhesion to Laser–Treated Surfaces 377<br /> Athanasios Milionis, Despina Fragouli, Ilker S. Bayer and Athanassia Athanassiou<br /> <br /> 10.1 Introduction 377<br /> <br /> 10.2 Materials, Fabrication Approaches and Results 381<br /> <br /> 10.3 Applications 395<br /> <br /> 10.4 Prospects 404<br /> <br /> 10.5 Summary 406<br /> <br /> Acknowledgement 406<br /> <br /> References 407</p>