Case Histories Involving Fatigue and Fracture Mechanics: A Symposium - C. M. Hudson - Google книгиInstitute of Crystallography , Italy. The book "Applied Fracture Mechanics" presents a collection of articles on application of fracture mechanics methods to materials science, medicine, and engineering. In thirteen chapters, a wide range of topics is discussed, including strength of biological tissues, safety of nuclear reactor components, fatigue effects in pipelines, environmental effects on fracture among others. In addition, the In addition, the book presents mathematical and computational methods underlying the fracture mechanics applications, and also developments in statistical modeling of fatigue. The work presented in this book will be useful, effective, and beneficial to mechanical engineers, civil engineers, and material scientists from industry, research, and education. By Sylwester Klysz and Andrzej Leski.
Applied Fracture Mechanics
Fracture Mechanics: Current Status, Future Prospects presents the remarkable increase in the number of tools available for engineers to deal with cracked structures in a quantitative manner. This book discusses the acceptance of the stress intensity factor as a distinguishing similitude parameter that properly accounts for the applied mechanics near crack tips in several cases of practical interest. Organized into nine chapters, this book begins with an overview of the competing micromechanics of fracture, including cleavage, rupture, ductile fracture, and intergranular creep fracture. This text then reviews the characterization of crack tip stress fields by the stress intensity factor. Other chapters consider the analysis of fatigue cracking in a large generator rotor. This book discusses as well the use of Green's functions in the determination of stress intensity factors. The final chapter deals with the size effect with regard to extension of sharp cracks in technological materials.
Compared with experimental method, numerical simulation method based on empirical models shows its remarkable advantages in structure design because of less cost and higher efficiency. However, the application of numerical simulation method in fatigue lifetime prediction is restricted by low accuracy and poor applicability in some circumstances.
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The subjects covered by this special collection include the fatigue life of elements of structures, research on low- and high-cycle fatigue, fatigue under conditions of complex states of stress and strain, analysis of fatigue loads, design taking fatigue into consideration, analysis of random fatigue loads, experimental methods in the mechanics of cracking, application of fracture mechanics to engineering issues, the impact of structural, technological and functional factors upon the fatigue of elements of structures, research methods and equipment. This coverage makes the work a veritable handbook guide to the subject matter. Review from Ringgold Inc. This year's sitting produced 34 papers on predicting fatigue life, fatigue properties of materials, the fatigue of welded structures, temperature and thermo-mechanical fatigue, multi-axial fatigue, and fatigue crack growth. Among the topics are the fictitious radius as a tool for estimating the fatigue life of notched elements, determining the initial stiffness modulus for trabecular bone under stepwise load, the impact of laser welding speed on the mechanical properties of joints in multilayer pipes, estimating the fatigue life of materials with out-of-parallel fatigue characteristics under block loading, and a dual-camera experimental system for testing subsurface cracks.
Fatigue and Fracture : Understanding the Basics. It covers mechanical properties of materials, differences between ductile and brittle fractures, fracture mechanics, the basics of fatigue, structural joints, high temperature failures, wear, environmentally-induced failures, and steps in the failure analysis process. Mechanical Behavior. Ductile and Brittle Fracture. Fracture Mechanics. Fatigue of Metals.