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Ultrasonics International 83 contains the proceedings of the Ultrasonics International Conference held in Halifax, Canada, on July 12-14, 1983. The papers focus on the role of ultrasound in various fields such as non-destructive testing, aerospace, high power, and medicine. The papers are organized into 24 sessions, which first discuss the applications of ultrasonics in aerospace. The session on non-destructive testing then describes ultrasonic applications including automatic in-motion inspection of the tread of railway wheels by EMA excited Rayleigh waves; effect of material deformation on the velocity of critically refracted shear waves in railroad rail; and crack depth estimation using wideband laser generated surface acoustic waves. The next session is concerned with medical ultrasonics and includes papers exploring the use of reflectivity tomography in attenuating media, wave propagation in biological tissue, and ultrasonic Doppler measurement of blood flow volume rate in the abdomen. The sessions that follow consider acoustic emission, visualization, material characterization, optoacoustics, and the physics of ultrasonics. High power and underwater ultrasonics, acoustic microscopy, transducers, and instrumentation are also discussed. This monograph will be of value to physicists and other scientists interested in ultrasonics.
Ultrasonics International 87 contains the Proceedings of the Ultrasonics International Conference and Exhibition held at London, United Kingdom on July 1987. The conference discussed and reviewed some of the developments in the field of ultrasonics. The compendium consists of over 150 contributed papers, four invited papers and three plenary papers. Topics discussed include generation of unipolar ultrasonic pulses by signal processing; scattering of longitudinal waves by partially closed slots; piezoelectric materials for ultrasonic transducers; and measuring turbulent flow characteristics using a multi- dimensional ultrasonic probe. Fiber optic sensors, medical imaging and inverse methods, and laser generation of ultrasound are covered as well. Physicians, technicians, researchers, and physical scientists will find the book insightful.
Power Ultrasonics: Applications of High-Intensity Ultrasound, Second Edition provides a comprehensive reference on the fundamentals, processing, engineering, medical, food and pharmaceutical applications of ultrasonic processing. Chapters cover the fundamentals of nonlinear propagation of ultrasonic waves in fluids and solids, discuss the materials and designs of power ultrasonic transducers and devices, identify applications of high power ultrasound in materials engineering and mechanical engineering, food processing technology, environmental monitoring and remediation and industrial and chemical processing (including pharmaceuticals), medicine and biotechnology, and cover developments in ultrasound therapy and surgery applications.The new edition also includes recent advances in modeling, characterization and measurement techniques, along with additive manufacturing and micromanufacturing. This is an invaluable reference for graduate students and researchers working in the disciplines of materials science and engineering. In addition, those working on the physics of acoustics, sound and ultrasound, sonochemistry, acoustic engineering and industrial process technology, R&D managers, production, and biomedical engineers will find it useful to their work. - Covers the fundamentals of nonlinear propagation of ultrasonic waves in fluids and solids - Discusses the materials and designs of power ultrasonic transducers and devices - Considers state-of-the-art power sonic applications across a wide range of industries
After Uchino’s introduction of a new terminology, ‘Micromechatronics’ in 1979 for describing the application area of ‘piezoelectric actuators’, the rapid advances in semiconductor chip technology have led to a new terminology MEMS (micro-electro-mechanical-system) or even NEMS (nano-electro-mechanicalsystem) to describe mainly thin film sensor/actuator devices, a narrower area of micromechatronics coverage. New technologies, product developments and commercialization are providing the necessity of this major revision. In particular, the progresses in high power transducers, loss mechanisms in smart materials, energy harvesting and computer simulations are significant. New technologies, product developments and commercialization are providing the updating requirement for the book contents, in parallel to the deletion of old contents. Various educational/instructional example problems have been accumulated, which were integrated in the new edition in order to facilitate the self-learning for the students, and the quiz/problem creation for the instructors. Heavily revised topics from the previous edition include: high power transducers, loss mechanisms in smart materials, energy harvesting and computer simulations New technologies, product developments and commercialization helped shape the updated contents of this book where all chapters have been updated and revised. This textbook is intended for graduate students and industrial engineers studying or working in the fields of electronic materials, control system engineering, optical communications, precision machinery, and robotics. The text is designed primarily for a graduate course with the equivalent of thirty 75-minute lectures; however, it is also suitable for self-study by individuals wishing to extend their knowledge in the field.
Ultrasonics International 91 is a documentation of conference proceedings that discusses the status and future of acoustic microscopy and its application to materials research, especially focusing on its quantitative analyses. Acoustic microscopy, using focused waves, has been receiving increased attention as a technology applicable to materials characterization at the microscopic scale. In acoustic microscopy, the excitation and propagation of leaky surface acoustic waves (LSAWs) in the environment of the coupling liquid at the solid specimens are observed. Three types of the systems have been developed: point-focus-beam (PFB), line-focus-beam (LFB), and directional PFB acoustic microscopes. In this paper, a brief history of the practical developments is first presented, followed by LFB acoustic microscopy for quantitative material characterization and some applications concerned with characterization of elastic anisotropy and inhomogeneity of electronic materials, such as LiNb03 and LiTa03 single crystals, and thin-film characterization. This book gives a comprehensive account of the majority of the oral and poster contributions made during the conference, and makes a valuable addition to a student or researchers' ultrasonic literature.
Describing NDE issues associated with real-world applications, this comprehensive book details conventional and forthcoming NDE technologies. It instructs on current practices, common techniques and equipment applications, and the potentials and limitations of current NDE methods. Each chapter details a different method, providing an overview, an e
This volume (parts A and B) contains the edited papers presented at the annual Review of Progress in Quantitative NDE held at the University of California, San Diego, July 8-13, 1984. We have chosen to organize the papers by subject, an arrangement that we feel to be more useful for a reference volume than the order of paper presentation at the Review. To do this, topical subject headings have been selected under which the large majority of papers reasonably fall. These categories cover a broad spectrum of research in NDE and encompass activities from funda mental work to early engineering applications. The scope and depth of the Review may be easily assessed by examination of the Table of Contents. The Review was sponsored by the Center for Advanced NDE at the Ames Lab oratory of the U.S. Dept. of Energy in cooperation with the Office of Basic Energy Sciences, USDOE, the Materials Laboratory at Wright-Patterson AFB, and the Naval Sea Systems Command. Approximately 300 attendees re presenting various government agencies, industry, and universities parti cipated in the technical presentations, poster sessions, and discussions. This Review, possibly the most comprehensive annual symposium in NDE, provides a valuable forum for the timely exchange of technical informa tion. A few highlights of the Review are summarized in the following paragraphs.