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Laser Heating Applications
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Book Synopsis Laser Heating Applications by : Bekir Sami Yilbas
Download or read book Laser Heating Applications written by Bekir Sami Yilbas and published by Elsevier. This book was released on 2012-05-26 with total page 325 pages. Available in PDF, EPUB and Kindle. Book excerpt: Thermal treatment of materials occupies a significant, increasing proportion of MSE activity and is an integral component of modern curricula as well as a highly monetized component of industrial production. Laser processing of materials offers advantages over conventional methods of processing. Some of these advantages include fast processing, precision of operation, low cost and local treatment. Analytical modeling of laser processing gives insight into the physical and mathematical aspects of the problem and provides useful information on process optimization. This work from Professor Yilbas, a world-recognized expert in laser materials processing, provides the necessary depth and weight of analysis, collating mathematical and physical modeling and experimentation with the necessary discussion of applications. It meets coherence in topics with high technical quality. It encompasses the basics of laser processing and provides an introduction to analytical modeling of the process. Fundamentals and formulation of the heating process are presented for numerous heating conditions. Detailed analytical solutions for laser heating problems (including thermal stress) aids analysis of linkage between process parameters, such as laser pulse and laser intensity, and material response, such as temperature and stress Encompasses practical solutions to thermal heating problems (unlike the length solutions of numerical schemes) Extensive fourier and non-fourier treatments and consequent analysis provides improved understanding of mathematical transformations
Book Synopsis Laser Heating Applications by : Bekir Yilbas
Download or read book Laser Heating Applications written by Bekir Yilbas and published by Elsevier. This book was released on 2012-06-22 with total page 325 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This book describes those areas of thermodynamics which prove conductive to equilibrium and non-equilibrium heating theories in addition to yielding results that serve as data for further theories"--
Book Synopsis Laser Applications for Mechanical Industry by : S. Martellucci
Download or read book Laser Applications for Mechanical Industry written by S. Martellucci and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 425 pages. Available in PDF, EPUB and Kindle. Book excerpt: Modern manufacturing industry is focusing its interests on the potential offered by the laser, in combination with other new technologies such as optical fibres, automation, computing and flexible manufacturing systems, to give new and powerful methods for non-destructive testing, in-process quality assurance, laser material processing and process control, and laser robotics. The greatest opportunities for the laser are in those areas where flexibility, automation, CAD/CAM integration, precision, cost reduction, and time to market are important factors. The examples covered here are mainly drawn from the automotive industry, where all these factors are imperative, and where the CO2, Nd-YAG and excimer laser sources are already making their contribution to the manufacturing process.
Book Synopsis CO2 Lasers Effects and Applications by : W Duley
Download or read book CO2 Lasers Effects and Applications written by W Duley and published by Elsevier. This book was released on 2012-12-02 with total page 444 pages. Available in PDF, EPUB and Kindle. Book excerpt: CO2 Lasers: Effects and Applications examines and summarizes the important applications of the device in different areas of study like physics, chemistry, and engineering. In some parts of the book, the reader is assumed to be knowledgeable in university level mathematics or some specialized area in physics or chemistry. The book consists of 10 chapters where the first two establish the general concepts on lasers and CO2 lasers, respectively. Chapter 3 takes the reader further and presents a comprehensive review of optical components for use such as detectors, windows, and mirrors. Because the CO2 laser is mostly used as a heat source, the theory of laser-surface heating is relevant in the discussion. This theory is presented in Chapter 4. Chapters 5 and 6 meanwhile present a summary of observations on cutting, welding, and some related topics. The following chapters discuss the different applications of CO2 lasers in different areas and processes. Some of these applications include in the generation of thermal effect, laser deposition of thin films, spectroscopy, laser photochemistry, and meteorology and communication systems. The text is a good source of reference to both students and scientists in the areas of physics, chemistry, and engineering.
Book Synopsis Pulsed Laser Heating for Brillouin Spectroscopy: Methods and Applications by : Konrad Rolle
Download or read book Pulsed Laser Heating for Brillouin Spectroscopy: Methods and Applications written by Konrad Rolle and published by . This book was released on 2021 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Laser Processing and Analysis of Materials by : Walter W. Duley
Download or read book Laser Processing and Analysis of Materials written by Walter W. Duley and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 449 pages. Available in PDF, EPUB and Kindle. Book excerpt: It has often been said that the laser is a solution searching for a problem. The rapid development of laser technology over the past dozen years has led to the availability of reliable, industrially rated laser sources with a wide variety of output characteristics. This, in turn, has resulted in new laser applications as the laser becomes a familiar processing and analytical tool. The field of materials science, in particular, has become a fertile one for new laser applications. Laser annealing, alloying, cladding, and heat treating were all but unknown 10 years ago. Today, each is a separate, dynamic field of research activity with many of the early laboratory experiments resulting in the development of new industrial processing techniques using laser technology. Ten years ago, chemical processing was in its infancy awaiting, primarily, the development of reliable tunable laser sources. Now, with tunability over the entire spectrum from the vacuum ultraviolet to the far infrared, photo chemistry is undergoing revolutionary changes with several proven and many promising commercial laser processing operations as the result. The ability of laser sources to project a probing beam of light into remote or hostile environments has led to the development of a wide variety of new analytical techniques in environmental and laboratory analysis. Many of these are reviewed in this book.
Book Synopsis A Laser Heating Device for Metallographic Studies by : G. R. Speich
Download or read book A Laser Heating Device for Metallographic Studies written by G. R. Speich and published by . This book was released on 1966 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt: Using an optically pumped ruby laser for a heat source and a helium-water vapor quench, thin metallic specimens can be heated at a rate of 106 C/sec and cooled at a rate of 105 C/sec. An electronic timing circuit controls time spent at a temperature so that heating times as short as 0.001 sec are possible. The temperature reached is determined by the energy of the laser pulse, specimen reflectivity, and thickness. Oxidation of iron surface effectively reduces reflection and, thus, increases energy absorption. Temperature distribution across sections of the specimens is a function of density and thermal diffusivity. For an 0.002-in. iron specimen, front and back temperatures remain nearly equal during heating. Applications of the technique included in this paper are: studies of recrystallization and phase transformation of pure iron, dissolution of pearlite and spheroidite in a eutectoid iron-carbon alloy, and melting and solidification of gold.
Book Synopsis Infrared Thermography by : Raghu Prakash
Download or read book Infrared Thermography written by Raghu Prakash and published by BoD – Books on Demand. This book was released on 2012-03-14 with total page 250 pages. Available in PDF, EPUB and Kindle. Book excerpt: Infrared Thermography (IRT) is commonly as a NDE tool to identify damages and provide remedial action. The fields of application are vast, such as, materials science, life sciences and applied engineering. This book offers a collection of ten chapters with three major sections - relating to application of infrared thermography to study problems in materials science, agriculture, veterinary and sports fields as well as in engineering applications. Both mathematical modeling and experimental aspects of IRT are evenly discussed in this book. It is our sincere hope that the book meets the requirements of researchers in the domain and inspires more researchers to study IRT.
Book Synopsis Application of Scan Laser Heating for Thermal Imagery Nondestructive Testing by : Gregory Arutunian
Download or read book Application of Scan Laser Heating for Thermal Imagery Nondestructive Testing written by Gregory Arutunian and published by . This book was released on 1973 with total page 41 pages. Available in PDF, EPUB and Kindle. Book excerpt: Evaluations were made using an infrared non-destructive testing technique employing scan laser heating of the specimen. Thermal images were obtained with a newly developed two-dimensional reflective scanner, coupled to a 50 watt CO2 laser to irradiate the specimen and a thermal imaging camera to view the specimen's irradiated surfaces. The technique showed a capability of providing a real time non-destructive test for subsurface defects in a variety of materials and structures. It allows the laser heat source and infrared camera to be remotely positioned from the specimen under test, making it possible to examine large specimens.
Book Synopsis Advanced Laser And Competing Technologies Easily Explained by : Dieter Schuocker
Download or read book Advanced Laser And Competing Technologies Easily Explained written by Dieter Schuocker and published by World Scientific. This book was released on 2021-12-28 with total page 222 pages. Available in PDF, EPUB and Kindle. Book excerpt: High power lasers and their applications in production technology have experienced a vivid development during the last decades and now offer improved performance of classical applications in cutting or welding. Processes that are used since a long time have been improved considerably, for instance hardening. More and more new applications have been developed for instance 3D-printing of metals or forming with laser assistance. Therefore, it is important for production engineers to understand the laser technology and explore how it can be used to enhance production speed, quality, and reduce cost.This book treats the basic principles underlying laser technology, long-time-used equipment and processes but also the most recent improvements and applications, then compares it with the competing conventional technologies. Each of these two parts is preceded by tutorials that inform the reader about the physical basis of the respective technologies. In addition, hazards of these technologies and respective protection are treated for both cases. The book concludes with a detailed comparison of competing technologies and lasers to give a prognosis on the future of lasers in manufacturing. It is written in a style that can be read by people without a broad physical basis and avoids the use of derivations and equations but explains all the material in an easily understandable way in simple words.
Book Synopsis Laser Material Processing by : William M. Steen
Download or read book Laser Material Processing written by William M. Steen and published by Springer Science & Business Media. This book was released on 2013-04-18 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt: New chapters on bending and cleaning reflect the changes in the field since the last edition, completing the range of practical knowledge about the processes possible with lasers already familiar to users of this well-known text. Professor Steen's lively presentation is supported by a number of original cartoons by Patrick Wright and Noel Ford, which will bring a smile to your face and ease the learning process. From the reviews: "...well organized, and the text is very practical...The engineering community will find this book informative and useful." (OPTICS AND PHOTONICS NEWS, July/August 2005)
Book Synopsis Short Pulse Laser Systems for Biomedical Applications by : Kunal Mitra
Download or read book Short Pulse Laser Systems for Biomedical Applications written by Kunal Mitra and published by Springer. This book was released on 2017-03-15 with total page 53 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents practical information on the clinical applications of short pulse laser systems and the techniques for optimizing these applications in a manner that will be relevant to a broad audience, including engineering and medical students as well as researchers, clinicians, and technicians. Short pulse laser systems are useful for both subsurface tissue imaging and laser induced thermal therapy (LITT), which hold great promise in cancer diagnostics and treatment. Such laser systems may be used alone or in combination with optically active nanoparticles specifically administered to the tissues of interest for enhanced contrast in imaging and precise heating during LITT. Mathematical and computational models of short pulse laser-tissue interactions that consider the transient radiative transport equation coupled with a bio-heat equation considering the initial transients of laser heating were developed to analyze the laser-tissue interaction during imaging and therapy. Experiments were first performed to characterize the tissue optical properties needed to optimize the dose for thermal therapy. Experiments were then performed on animal models to characterize the heat affected zone for LITT. The experimental measurements were also validated using the computational models.
Book Synopsis The Theory of Laser Materials Processing by : John Dowden
Download or read book The Theory of Laser Materials Processing written by John Dowden and published by Springer. This book was released on 2017-06-16 with total page 442 pages. Available in PDF, EPUB and Kindle. Book excerpt: The revised edition of this important reference volume presents an expanded overview of the analytical and numerical approaches employed when exploring and developing modern laser materials processing techniques. The book shows how general principles can be used to obtain insight into laser processes, whether derived from fundamental physical theory or from direct observation of experimental results. The book gives readers an understanding of the strengths and limitations of simple numerical and analytical models that can then be used as the starting-point for more elaborate models of specific practical, theoretical or commercial value. Following an introduction to the mathematical formulation of some relevant classes of physical ideas, the core of the book consists of chapters addressing key applications in detail: cutting, keyhole welding, drilling, arc and hybrid laser-arc welding, hardening, cladding and forming. The second edition includes a new a chapter on glass cutting with lasers, as employed in the display industry. A further addition is a chapter on meta-modelling, whose purpose is to construct fast, simple and reliable models based on appropriate sources of information. It then makes it easy to explore data visually and is a convenient interactive tool for scientists to improve the quality of their models and for developers when designing their processes. As in the first edition, the book ends with an updated introduction to comprehensive numerical simulation. Although the book focuses on laser interactions with materials, many of the principles and methods explored can be applied to thermal modelling in a variety of different fields and at different power levels. It is aimed principally however at academic and industrial researchers and developers in the field of laser technology.
Book Synopsis Laser Surface Processing and Model Studies by : Bekir Sami Yilbas
Download or read book Laser Surface Processing and Model Studies written by Bekir Sami Yilbas and published by Springer Science & Business Media. This book was released on 2013-03-15 with total page 155 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book introduces model studies associated with laser surface processing such as conduction limited heating, surface re-melting, Marangoni flow and its effects on the temperature field, re-melting of multi-layered surfaces, laser shock processing, and practical applications. The book provides insight into the physical processes involved with laser surface heating and phase change in laser irradiated region. It is written for engineers and researchers working on laser surface engineering.
Book Synopsis Laser-Arc Processes and Their Applications in Welding and Material Treatment by : Peter Seyffarth
Download or read book Laser-Arc Processes and Their Applications in Welding and Material Treatment written by Peter Seyffarth and published by CRC Press. This book was released on 2002-05-23 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt: Laser-Arc Processes and Their Applications in Welding and Material Treatment presents a comprehensive and timely overview of laser-arc processes for material joining and treatment, which is a current and developing research area. The authors review existing methods for combined welding and associated processes and describe theoretical investigations of the stationary combined discharge induced by focused laser radiation of CW CO2-lasers affecting the DC arc plasma. The volume also details the main principles of integrated plasma torches together with their applications in the joining and treatment of materials.
Book Synopsis Laser Production and Heating of Plasma for MHD Application by : N. W. Jalufka
Download or read book Laser Production and Heating of Plasma for MHD Application written by N. W. Jalufka and published by . This book was released on 1988 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Applications of Laser Ablation by : Dongfang Yang
Download or read book Applications of Laser Ablation written by Dongfang Yang and published by BoD – Books on Demand. This book was released on 2016-12-21 with total page 430 pages. Available in PDF, EPUB and Kindle. Book excerpt: Laser ablation refers to the phenomenon in which a low wavelength and short pulse (ns-fs) duration of laser beam irradiates the surface of a target to induce instant local vaporization of the target material generating a plasma plume consisting of photons, electrons, ions, atoms, molecules, clusters, and liquid or solid particles. This book covers various aspects of using laser ablation phenomenon for material processing including laser ablation applied for the deposition of thin films, for the synthesis of nanomaterials, and for the chemical compositional analysis and surface modification of materials. Through the 18 chapters written by experts from international scientific community, the reader will have access to the most recent research and development findings on laser ablation through original research studies and literature reviews.
