Ultrasonics International 91

Author: Yong Zhou
Publisher: Elsevier
ISBN: 1483140830
Format: PDF, ePub, Docs
Download Now
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.

Ultrasonics International 93

Author: Yong Zhou
Publisher: Butterworth-Heinemann
ISBN: 1483183939
Format: PDF, ePub
Download Now
Ultrasonics International 93: Conference Proceedings presents a comprehensive account of the presentations given in the Ultrasonics International 93 conference. It discusses a blood flow mapping system using ultrasonic waves. It addresses the dynamical response functions of elastically anisotropic solids. Some of the topics covered in the book are the ultrasonic waves propagation in a liquid producing radicals; ultrasonic characterization of interfaces; surface acoustic wave measurements; line-focus-beam acoustic microscopy; investigation of fatigue cracks in steels using spherical lens scanning acoustic microscopy; and the phenomenon of ultrasonic light diffraction. The description of bichromatic tunable acousto-optic separator is fully covered. The diffraction phenomenon affecting the properties of the fibre-optic sensor system is discussed in detail. The text describes in depth the opto-acoustic measurement of ultrasound velocity in a solidifying polymer. The evaluation of microfracture due to thermal shock using acoustic emission is completely presented. A chapter is devoted to the detection of a weak adhesive and adherent interface in bonded joints. The book can provide useful information to engineers, students, and researchers.

Ultrasonics International 83

Author: Yong Zhou
Publisher: Elsevier
ISBN: 1483140822
Format: PDF
Download Now
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

Author: Yong Zhou
Publisher: Elsevier
ISBN: 1483140539
Format: PDF
Download Now
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.

Handbook on Applications of Ultrasound

Author: Dong Chen
Publisher: CRC Press
ISBN: 1439842078
Format: PDF
Download Now
Ultrasonic irradiation and the associated sonochemical and sonophysical effects are complementary techniques for driving more efficient chemical reactions and yields. Sonochemistry—the chemical effects and applications of ultrasonic waves—and sustainable (green) chemistry both aim to use less hazardous chemicals and solvents, reduce energy consumption, and increase product selectivity. A comprehensive collection of knowledge, Handbook on Applications of Ultrasound covers the most relevant aspects linked to and linking green chemistry practices to environmental sustainability through the uses and applications of ultrasound-mediated and ultrasound-assisted biological, biochemical, chemical, and physical processes. Chapters are presented in the areas of: Medical applications Drug and gene delivery Nanotechnology Food technology Synthetic applications and organic chemistry Anaerobic digestion Environmental contaminants degradation Polymer chemistry Industrial syntheses and processes Reactor design Electrochemical systems Combined ultrasound−microwave technologies While the concepts of sonochemistry have been known for more than 80 years, in-depth understanding of this phenomenon continues to evolve. Through a review of the current status of chemical and physical science and engineering in developing more environmentally friendly and less toxic synthetic processes, this book highlights many existing applications and the enormous potential of ultrasound technology to upgrade present industrial, agricultural, and environmental processes.

New methods of polymer synthesis

Author: J. R. Ebdon
Publisher: Chapman & Hall
ISBN:
Format: PDF, Mobi
Download Now
Few polymer chemists have much familiarity with recent developments in the synthesis of speciality polymers. This volume provides up-to-date reviews of areas of current interest and is directed at polymer chemists in the academic world and industry.