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The failure of any welded joint is at best inconvenient and at worst can lead to catastrophic accidents. Fracture and fatigue of welded joints and structures analyses the processes and causes of fracture and fatigue, focusing on how the failure of welded joints and structures can be predicted and minimised in the design process.Part one concentrates on analysing fracture of welded joints and structures, with chapters on constraint-based fracture mechanics for predicting joint failure, fracture assessment methods and the use of fracture mechanics in the fatigue analysis of welded joints. In par

Welded joints --- Cracking of welded joints --- Fracture mechanics --- Fatigue. --- Cracking.

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• Covers the basic principles of weld fracture and fatigue.
• Reviews the design of engineered structures, provides descriptions of typical welding defects and how these defects behave in structures undergoing static and cyclical loading, and explains the range of failure modes.
• Explains how to detect and assess defects using fitness for service assessment procedures.

Welded joints --- Welded steel structures. --- Fatigue. --- Cracking. --- Building, Welded steel --- Construction, Welded steel --- Structures, Welded steel --- Building, Iron and steel --- Steel, Structural --- Cracking of welded joints --- Fracture mechanics --- Welding

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This book elucidates the correlation of fatigue crack growth data to multiscale cracking, particularly to the understanding of micrographs influenced by mechanical disturbance and thermodynamic variables. Attention is given to the interpretation of test data by fatigue crack growth rate using two empirical parameters in consistence with the fracture control methodology currently used by industry. Micrograph and crack growth rate data are presented for a host of metals used by the aerospace and nuclear industry. Furthermore, these data can be shown to lie on a straight line for the two parameter model that traditionally refers to regions I, II, and III. Results for small and large cracks can thus be connected to provide fatigue life prediction with data from the microscopic scale level such that the interactive effects of loading, geometry and material by mechanical tests are accounted for.

Metals --- Welded joints --- Fracture mechanics. --- Fatigue. --- Cracking. --- Fracture. --- Failure of solids --- Fracture of materials --- Fracture of solids --- Materials --- Mechanics, Fracture --- Solids --- Deformations (Mechanics) --- Strength of materials --- Brittleness --- Penetration mechanics --- Structural failures --- Failure of metals --- Fracture of metals --- Cracking of welded joints --- Fracture mechanics --- Fatigue of metals --- Metal fatigue --- Fracture --- Fatigue --- Failure --- Testing --- Materials. --- Mechanics. --- Mechanics, Applied. --- Materials Science, general. --- Solid Mechanics. --- Applied mechanics --- Engineering, Mechanical --- Engineering mathematics --- Classical mechanics --- Newtonian mechanics --- Physics --- Dynamics --- Quantum theory --- Engineering --- Engineering materials --- Industrial materials --- Engineering design --- Manufacturing processes --- Materials science. --- Material science --- Physical sciences

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This is the second in a series of compendiums devoted to weld hot cracking phenomena, where this subject has been further scrutinized, bringing to bare the most current thoughts on this complex and diverse subject. With 22 technical papers in total, this book is divided in such a way that specific classifications of hot cracks are examined in detail, including solidification, liquation, and ductility dip cracking. The first chapter looks at solidification cracking theory, applying the most modern approaches to modelling weld solidification. Also provided here is a comprehensive review of cracking models. This is followed by two chapters characterizing solidification cracking behaviour for specific alloy systems: ferrous plus nickel-based alloys and aluminium alloys, respectively. The fourth chapter considers liquation cracking in ferrous alloys, and the fifth examines ductility-dip cracking. For engineers and scientists involved in materials research and development, this book provides both new insight and a broad overview of hot cracking phenomena in welds. The contributions additionally give numerous individual solutions and helpful advice for welding engineers to avoid hot cracking in practice. Furthermore, this book can serve as a useful teaching aid for upper level metallurgical, welding and mechanical engineering students.

Welded joints --- Welding. --- Cracking. --- Forging --- Manufacturing processes --- Metal-work --- Sealing (Technology) --- Cracking of welded joints --- Fracture mechanics --- Materials. --- System safety. --- Mechanics. --- Mechanics, Applied. --- Metallic Materials. --- Quality Control, Reliability, Safety and Risk. --- Solid Mechanics. --- Engineering --- Engineering materials --- Industrial materials --- Engineering design --- Applied mechanics --- Engineering, Mechanical --- Engineering mathematics --- Classical mechanics --- Newtonian mechanics --- Physics --- Dynamics --- Quantum theory --- Safety, System --- Safety of systems --- Systems safety --- Accidents --- Industrial safety --- Systems engineering --- Materials --- Prevention --- Metals. --- Quality control. --- Reliability. --- Industrial safety. --- Industrial accidents --- Industries --- Job safety --- Occupational hazards, Prevention of --- Occupational health and safety --- Occupational safety and health --- Prevention of industrial accidents --- Prevention of occupational hazards --- Safety, Industrial --- Safety engineering --- Safety measures --- Safety of workers --- System safety --- Dependability --- Trustworthiness --- Conduct of life --- Factory management --- Industrial engineering --- Reliability (Engineering) --- Sampling (Statistics) --- Standardization --- Quality assurance --- Quality of products --- Metallic elements --- Chemical elements --- Ores --- Metallurgy