Book Reviews

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Photoacoustic and Photothermal Phenomena Editedby P. Hess andd Pelzl (Springer-Verlag, 1988) This book represents the proceedings of the Fifth International Topical Meeting on Photoacoustics and Photothermal Phenomena, held at the University of Heidelberg,July 27-30,1987. As with the previous biennial meetings on this topic, this conférence was well attended by researchers representing many différent countries and diverse areas of interest. The major topics include spectroscopy, kinetics and relaxation, trace analysis, surfaces and thin films, applications to semiconductors, ultrasonic détection and characterization, mass and heat transfer, thermal wave nondestructive

Welding Metallurgy of Stainless Steels Erich Folkhardin collaboration with Gûnther Rabensteiner, Ernst Perteneder, Heinz Schabereiter, and Josef Tôsch (Springer-Verlag, 1988) Welding engineers and metallurgists who hâve relied for nearly two décades on Castro and de Cadenet's Welding Metallurgy of Stainless and Heat-Resisting Steels now hâve available to them an updated text on stainless steel welding metallurgy— a recently revised English translation of Métallurgie der Scheissung nichtrostender Stahle (Welding Metallurgy of Stainless Steels) by Erich Folkhard. The book was prepared in collaboration with Giinther Rabensteiner and his colleagues at the Bohler Welding Division in Kapfenburg, Austria. The original German text, published in 1984, has been updated and "Americanized" to reflect U.S. materials désignations and standards. The text is organized in the fashion of its predecessor, containing introductory sections on various gênerai aspects of stainless steel metallurgy followed by sections addressing spécifie alloy classes. Folkhard expanded thèse introductory sections to reflect the large body of information published since Castro and de Cadenet's last version in 1972. Folkhard cites 487 références while Castro and de Cadenet cite only 85. Nearly two-thirds of the book is dedicated to a gênerai treatment of stainless steel welding metallurgy and is spiced with practical examples gleaned from the literature. Thèse sections cover the use of constitution diagrams, solidification behavior, solid-state transformations, précipitation behavior, and weld solidification cracking. The last third of the book con-

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evaluation, expérimental techniques, and biological and médical applications. In many of thèse areas, researchers reported significant advances since the last meeting two years ago. Some of thèse include photoacoustic spectroscopy experiments with x-ray and synchrotron sources, the merging of photoacoustic and thermal lens techniques for kinetic studies, pulsed thermal wave experiments ranging from the microsecond to the nanosecond temporal régime for the study of surfaces and thin films, investigations of surface and interface semiconductor states, various applications of thermal wave imaging methods for problems in QNDE, advances in pyroelectric and photothermal détection méthodologies, and further understanding of photoacoustic studies i