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This book contains both the invited and the contributed papers presented at the Symposium "Surface Processing: Laser, Lamp, Plasma" held during the annual Spring Meeting of the European Materials Research Society in Strasbourg, France, June 16-19 1998. Surface processing of materials using laser, lamp or plasma is one of the most active fields of research in Europe and, as such, requires to be periodically reviewed at International Conference level. This year, the expanded surface processing symposium lasted for 3.5 days and, as an international forum, addressed not only fundamental questions in the field but also progress and new perspectives in various applications. The major subjects discussed during the meeting included fundamental process studies, modelling of growth mechanisms and surface modification, characterization of synthesised or modified materials, material modification at a nanometric scale, development of in-situ analytical techniques and applications towards device fabrication. About 200 papers were presented by some 120 participants.
The contributions in this volume reflect not only the growing understanding of the underlying mechanisms controlling the various reactions in laser surface processing, but also the potential of several developing applications of direct processing. The most notable trend in the field currently is the technique of laser ablation, which is reported in almost a quarter of the papers in this volume. Whilst by no means a new phenomenon, attention has until recent years remained in the area of lithography and UV-sensitive materials. The growth in interest lies in the use of the technique to grow multi-component thin films and multi-layers. A number of papers on the topic of process diagnostics and in-situ measurements are also included. The theme of these annual meetings is centred around the physical and chemical modification of thin films and surfaces induced by the action of photon, ion, neutral, or electron beams in a variety of environments. Consequently these proceedings provide a comprehensive and unified presentation of the latest developments in this field.
This book presents studies on the surface modification of aluminum and titanium alloys by electric explosive alloying and electron-beam processing. It also describes and analyzes the physical mechanism of energy actions of these technologies on physical and mechanical properties and discusses their potential use in industry to improve the characteristics of finished products. The book is intended for specialists in the field of condensed matter physics, metallurgy and heat treatment and materials science, as well as graduate and senior students in relevant fields.
Developments in lasers continue to enable progress in many areas such as eye surgery, the recording industry and dozens of others. This book presents citations from the book literature for the last 25 years and groups them for ease of access which is also provided by subject, author and titles indexes.
The papers in this volume cover all aspects of laser assisted surface processing ranging from the preparation of high-Tc superconducting layer structures to industrial laser applications for device fabrication. The topics presented give recent results in organometallic chemistry and laser photochemistry, and novel surface characterization techniques. The ability to control the surface morphology by digital deposition and etching shows one of the future directions for exciting applications of laser surface processing, some of which may apply UV and VUV excitation. The understanding of elementary proceses is essential for the design of novel deposition methods, with diamond CVD being an outstanding example. The high quality of these contributions once again demonstrates that the E-MRS is an efficient forum for interaction between research workers and industry.
The current status of the science and technology related to coatings, thin films and surface modifications produced by directed energy techniques is assessed in Materials Surface Processing by Directed Energy Techniques. The subject matter is divided into 20 chapters - each presented at a tutorial level – rich with fundamental science and experimental results. New trends and new results are also evoked to give an overview of future developments and applications. - Provides a broad overview on modern coating and thin film deposition techniques, and their applications - Presents and discusses various problems of physics and chemistry involved in the production, characterization and applications of coatings and thin films - Each chapter includes experimental results illustrating various models, mechanisms or theories
Ob zur Oberflachenanalytik oder zur Oberflachenbearbeitung - die Einsatzgebiete von Lasern in der Materialwissenschaft werden standig erweitert. Dabei ablaufende Prozesse beschranken sich gelegentlich auf einfaches Erwarmen und Schmelzen, haufig finden jedoch kompliziertere Vorgange wie die Bildung von Plasma oder kollektive Anregungen statt. Verschiedenste Techniken, die zugehorigen physikalischen Grundlagen und alle wichtigen Prozesse beschreibt dieses Buch, wobei auch neueste Themen wie ultrakurze Laserpulse oder die nichtlineare Oberflachenspektroskpoie zur Sprache kommen. (05/99)
Synthesis of nonequilibrium metallic phases has been an area of great interest to the materials processing community since early 1960. Inherent rapid cooling rates in laser processing are being used to engineer non-equilibrium microstructures which cannot be rivaled by other processes. This lecture will discuss the phenomena involved and its application in designing materials with tailored properties. What is non-equilibrium Synthesis? This is a synthesis method to produce binary or higher order materials where kinetics of the pro cess affects the transport of the constituent elements during phase transformation resulting in a composition or crystallographic configuration which is different from what is observed when the elements arranges themselves with the lowest possible Gibbs Free energy, which is the equilibrium condition. Figure 1 illustrates the phenomena. Phase diagram under equilibrium condition is illustrated by the solid line whereas the no-equilibrium phase diagram is represented by the dotted line. One can observe the shrinkage of the phase field under non-equilibrium condition. Any alloy composition between the solidus lines of the equilibrium and non-equilibrium phase diagram will be a non equilibrium alloys with extended solid solution.