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Author: A. A. BLATHERWICK Publisher: ISBN: Category : Languages : en Pages : 80
Book Description
The cyclic stress-strain behavior of two different materials was observed in the low and intermediate cycle fatigue range. SAE 4130 steel, which softens under fatigue stressing, was subjected to reversed-flexure fatigue, and the moment-strain behavior observed. Rotating bending tests were used to determine the cyclic stress-strain relationships as a function of the number of imposed cycles. Using these relationships, calculated moment-strain patterns for reversed-flexure were obtained for comparison with the observed experimental results. Pure copper in an annealed condition was the second material investigated. This material hardens under fatigue stressing. Reversed flexure tests were performed on this material, also, but in this case axial stress tests were used to determine the cyclic stress-strain properties. Again, predicted moment-strain trends, based on calculations using the axial-stress data, are compared with the experimental reversed-flexure results. (Author).
Author: A. A. BLATHERWICK Publisher: ISBN: Category : Languages : en Pages : 80
Book Description
The cyclic stress-strain behavior of two different materials was observed in the low and intermediate cycle fatigue range. SAE 4130 steel, which softens under fatigue stressing, was subjected to reversed-flexure fatigue, and the moment-strain behavior observed. Rotating bending tests were used to determine the cyclic stress-strain relationships as a function of the number of imposed cycles. Using these relationships, calculated moment-strain patterns for reversed-flexure were obtained for comparison with the observed experimental results. Pure copper in an annealed condition was the second material investigated. This material hardens under fatigue stressing. Reversed flexure tests were performed on this material, also, but in this case axial stress tests were used to determine the cyclic stress-strain properties. Again, predicted moment-strain trends, based on calculations using the axial-stress data, are compared with the experimental reversed-flexure results. (Author).
Author: Hamid Jahed Publisher: Elsevier ISBN: 0128192941 Category : Technology & Engineering Languages : en Pages : 470
Book Description
Cyclic Plasticity of Metals: Modeling Fundamentals and Applications provides an exhaustive overview of the fundamentals and applications of various cyclic plasticity models including forming and spring back, notch analysis, fatigue life prediction, and more. Covering metals with an array of different structures, such as hexagonal close packed (HCP), face centered cubic (FCC), and body centered cubic (BCC), the book starts with an introduction to experimental macroscopic and microscopic observations of cyclic plasticity and then segues into a discussion of the fundamentals of the different cyclic plasticity models, covering topics such as kinematics, stress and strain tensors, elasticity, plastic flow rule, and an array of other concepts. A review of the available models follows, and the book concludes with chapters covering finite element implementation and industrial applications of the various models. Reviews constitutive cyclic plasticity models for various metals and alloys with different cell structures (cubic, hexagonal, and more), allowing for more accurate evaluation of a component’s performance under loading Provides real-world industrial context by demonstrating applications of cyclic plasticity models in the analysis of engineering components Overview of latest models allows researchers to extend available models or develop new ones for analysis of an array of metals under more complex loading conditions
Author: J. Y. Mann Publisher: Elsevier ISBN: 1483189511 Category : Reference Languages : en Pages : 513
Book Description
Bibliography on the Fatigue of Materials, Components and Structures, Volume 3 addresses the problems associated with fatigue loadings as evident in branches of engineering and technology. Such debilitating factor also affects the human skeletal system. The book provides several references that show an increasing focus being given to the problem of fatigue in materials, components, and structures. The journals and lists of references used in the book, which discuss the subject of fatigue, are chosen to give an initial identification of citations. These sources are accompanied by computer-based documentation systems. The bibliographical data for each citation are thoroughly reviewed by checking the original bases of publication. The references in the book are arranged chronologically according to its year of publication. Major use has been made of abbreviations for the titles of journals and publications. The book can serve as a valuable tool for doctors, therapists, students, and researchers in the field of medicine.
Author: Cemal Basaran Publisher: Springer Nature ISBN: 3030577724 Category : Science Languages : en Pages : 452
Book Description
This text describes the mathematical formulation and proof of the unified mechanics theory (UMT) which is based on the unification of Newton’s laws and the laws of thermodynamics. It also presents formulations and experimental verifications of the theory for thermal, mechanical, electrical, corrosion, chemical and fatigue loads, and it discusses why the original universal laws of motion proposed by Isaac Newton in 1687 are incomplete. The author provides concrete examples, such as how Newton’s second law, F = ma, gives the initial acceleration of a soccer ball kicked by a player, but does not tell us how and when the ball would come to a stop. Over the course of Introduction to Unified Mechanics Theory, Dr. Basaran illustrates that Newtonian mechanics does not account for the thermodynamic changes happening in a system over its usable lifetime. And in this context, this book explains how to design a system to perform its intended functions safely over its usable life time and predicts the expected lifetime of the system without using empirical models, a process currently done using Newtonian mechanics and empirical degradation/failure/fatigue models which are curve-fit to test data. Written as a textbook suitable for upper-level undergraduate mechanics courses, as well as first year graduate level courses, this book is the result of over 25 years of scientific activity with the contribution of dozens of scientists from around the world including USA, Russia, Ukraine, Belarus, Spain, China, India and U.K.
Author: A. A. BLATHERWICK
Author: A. A. BLATHERWICK
Author: B. J Lazan
Author: 
Author: Hamid Jahed
Author: J. Y. Mann
Author: I. Milne
Author: Gary R. Halford
Author: Cemal Basaran
Author: Phillip Andrew Allen
Author: