This book is addressed to both research scientists at universities and technical institutes and to engineers in the metal forming industry. It is based upon the author's experience as head of the Materials Science Department of the In stitut fUr Umformtechnik at the University of Stuttgart. The book deals with materials testing for the special demands of the metal for ming industry. The general methods of materials testing, as far as they are not directly related to metal forming, are not considered in detail since many books are available on this subject. Emphasis is put on the determination of processing properties of metallic materials in metal forming, i. e. the forming behavior. This includes the evaluation of stress-strain curves by tensile, up setting or torsion tests as well as determining the limits of formability. Among these subjects, special emphasis has been laid upon recent developments in the field of compression and torsion testing. The transferability of test results is discussed. Some testing methods for the functional properties of workpieces in the final state after metal forming are described. Finally, methods of testing tool materials for bulk metal forming are treated. Testing methods for surface properties and tribological parameters have not been included. The emphasis is put on the deformation of the specimens. Prob lems related to the testing machines and measuring techniques as well as the use of computers are only considered in very few cases deemed necessary.
This open access book provides an empirical account of the psychological and social experiences of 3500 African migrants to 6 European countries: Germany, Spain, Italy, The Netherlands, France, and the UK. It discusses the psychosocial motivations for migration from Africa, who migrates where, and stressful pre- and post-migration factors affecting the social and psychological wellbeing of migrants. The book also includes a detailed exploration of posttraumatic stress disorder (PTSD) and posttraumatic stress symptoms (PTSS) among African migrants. Addressing and offering solutions to pre- and post-migration problems in Africa and Europe as well as the problems associated with the perilous journeys involved, this unique study is a must-read for anyone interested in cross-cultural psychology and social science, and particularly in migration and mental health.
Interdisciplinary study on the role of earthquakes in the eastern Mediterranean. Does the "Minoan myth" still stand up to scientific scrutiny? Since the work of Sir Arthur Evans at Knossos (Crete, Greece), the romanticized vision of the Cretan Bronze Age as an era of peaceful prosperity only interrupted by the catastrophic effects of natural disasters has captured the popular and scientific imagination. Its impact on the development of archaeology, archaeoseismology, and earthquake geology in the eastern Mediterranean is considerable. Yet, in spite of more than a century of archaeological explorations on the island of Crete, researchers still do not have a clear understanding of the effects of earthquakes on Minoan society. This volume, gathering the contributions of Minoan archaeologists, geologists, seismologists, palaeoseismologists, geophysicists, architects, and engineers, provides an up-to-date interdisciplinary appraisal of the role of earthquakes in Minoan society and in Minoan archaeology - what we know, what are the remaining issues, and where we need to go.
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