Hydrogen Gas Embrittlement: Mechanisms, Mechanics, and Design enables readers to understand complicated hydrogen-material interactions and conduct better material selection and strength design for hydrogen components. The book reviews the fundamental mechanisms of hydrogen embrittlement, the various behaviors of hydrogen in metallic materials such as diffusion, solution, and trapping, and emphasizes the necessary properties for effective strength design of various materials under the influence of hydrogen, including tensile properties, fatigue life, fatigue limit, fatigue crack-growth, and fracture toughness. Sections provide experimental data obtained in hydrogen gas at various pressures and temperatures together with the fractographic observations, including practical interpretation of hydrogen compatibility of materials based on tensile, fatigue and fracture mechanics testing results. Material testing machines and methods, the effects of hydrogen on various BCC steels, austenitic steels, and non-ferrous metals, and practical applications and methods of strength design for hydrogen vessels and components are all included as well. Enables a better understanding of hydrogen-material interactions, allowing for better material selection and strength design Provides insights on the hydrogen-induced degradation of materials strength at the atomic, macroscale and microscale Looks at a number of degradative behaviors in a variety of materials, including BCC steels, austenitic steels and non-ferrous metals Includes verification tests, case studies, applications and experimental data
Hydrogen Gas Embrittlement: Mechanisms, Mechanics, and Design enables readers to understand complicated hydrogen-material interactions and conduct better material selection and strength design for hydrogen components. The book reviews the fundamental mechanisms of hydrogen embrittlement, the various behaviors of hydrogen in metallic materials such as diffusion, solution, and trapping, and emphasizes the necessary properties for effective strength design of various materials under the influence of hydrogen, including tensile properties, fatigue life, fatigue limit, fatigue crack-growth, and fracture toughness. Sections provide experimental data obtained in hydrogen gas at various pressures and temperatures together with the fractographic observations, including practical interpretation of hydrogen compatibility of materials based on tensile, fatigue and fracture mechanics testing results. Material testing machines and methods, the effects of hydrogen on various BCC steels, austenitic steels, and non-ferrous metals, and practical applications and methods of strength design for hydrogen vessels and components are all included as well. Enables a better understanding of hydrogen-material interactions, allowing for better material selection and strength design Provides insights on the hydrogen-induced degradation of materials strength at the atomic, macroscale and microscale Looks at a number of degradative behaviors in a variety of materials, including BCC steels, austenitic steels and non-ferrous metals Includes verification tests, case studies, applications and experimental data
This book is based on the author’s 33 years of intensive fieldwork. It chronicles a major movement that shaped the preservation policy in Japan in the 1980s and 1990s, providing “thick descriptions” of preservationists that are not available anywhere else in English. It also provides clear answers to a series of pressing questions about preservationists: are they building-huggers, are they selfish and myopic home-owners, or are they merely obstacles to urban planning and urban renewal? Since 1984, Saburo Horikawa, Professor of Sociology at Hosei University in Tokyo, has continuously studied the movement to preserve the Otaru Canal in Otaru, Japan. This book shows that the preservation movement was neither conservative nor an obstacle. Rather, the movement sought to promote changes in which the residents’ “place” would continue to be theirs. As such, the word “preservation” does not mean the prevention of growth and development, but rather its control. As is shown in this study, preservation allows for and can even promote change. The original Japanese version of this book (published by the University of Tokyo Press) has won 3 major academic awards; most notably, “The Ishikawa Prize”, the highest award bestowed by the City Planning Institute of Japan. It is extremely unusual that a sociology book should receive such important recognition from the city planning discipline.
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