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Author : Samuel Asare
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (16 download)
Download or read book Failure of Rubber Components Under Fatigue written by Samuel Asare and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Gert Heinrich
Publisher : Springer Nature
ISBN 13 : 3030689204
Total Pages : 491 pages
Book Rating : 4.0/5 (36 download)
Download or read book Fatigue Crack Growth in Rubber Materials written by Gert Heinrich and published by Springer Nature. This book was released on 2021-03-23 with total page 491 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book summarizes recent international research and experimental developments regarding fatigue crack growth investigations of rubber materials. It shows the progress in fundamental as well as advanced research of fracture investigation of rubber material under fatigue loading conditions, especially from the experimental point of view. However, some chapters will describe the progress in numerical modeling and physical description of fracture mechanics and cavitation phenomena in rubbers. Initiation and propagation of cracks in rubber materials are dominant phenomena which determine the lifetime of these soft rubber materials and, as a consequence, the lifetime of the corresponding final rubber parts in various fields of application. Recently, these phenomena became of great scientific interest due to the development of new experimental methods, concepts and models. Furthermore, crack phenomena have an extraordinary impact on rubber wear and abrasion of automotive tires; and understanding of crack initiation and growth in rubbers will help to support the growthing number of activities and worldwide efforts of reduction of tire wear losses and abrasion based emissions.
Author : Judson T. Bauman
Publisher : Hanser Verlag
ISBN 13 : 9783446416819
Total Pages : 214 pages
Book Rating : 4.4/5 (168 download)
Download or read book Fatigue, Stress, and Strain of Rubber Components written by Judson T. Bauman and published by Hanser Verlag. This book was released on 2008 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book covers the fatigue testing of specimens, curve fitting of equations to the test data, and the use of such equations in life prediction. Earlier chapters are background in the nature of rubber, history of its usage, brief mention of types of rubber and manufacturing methods. Stress-strain testing and behavior will be covered to the extent relevant to fatigue analysis. Also the text will cover the application of finite element analysis to components to determine high stress points which are vulnerable to fatigue failure.
Author : Judson T. Bauman, Ph.D
Publisher : Carl Hanser Verlag GmbH Co KG
ISBN 13 : 3446433406
Total Pages : 226 pages
Book Rating : 4.4/5 (464 download)
Download or read book Fatigue, Stress, and Strain of Rubber Components written by Judson T. Bauman, Ph.D and published by Carl Hanser Verlag GmbH Co KG. This book was released on 2012-11-12 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt: This text emphasizes the mechanical behavior of elastomers. It discusses the molecular and micro configuration of the rubber matrix and how they produce the observed mechanical behavior. The fatigue testing of specimens, curve fitting of equations to the test data, and the use of such equations in life prediction are covered compehensively. Stress-strain testing and behavior are covered to the extent relevant to fatigue analysis. Also, the text covers the application of finite element analysis to components to determine high stress points which are vulnerable to fatigue failure. The book presents a very useful reference for practicing engineers charged with responsibility to design structural rubber components where fatigue life is a concern. It is aimed at aiding the design engineer in practical service life estimations and testing of rubber materials to that end.
Author : Judson T. Bauman
Publisher :
ISBN 13 :
Total Pages : 230 pages
Book Rating : 4.F/5 ( download)
Download or read book Fatigue, Stress, and Strain of Rubber Components written by Judson T. Bauman and published by . This book was released on 2008 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The book is aimed at design engineers with a bachelors degree, but with little or no knowledge of rubber behavior. It is aimed at aiding the design engineer in practical service life estimations and testing of rubber materials to that end."--BOOK JACKET.
Author : D. Wright
Publisher : iSmithers Rapra Publishing
ISBN 13 : 185957517X
Total Pages : 412 pages
Book Rating : 4.8/5 (595 download)
Download or read book Failure of Plastics and Rubber Products written by D. Wright and published by iSmithers Rapra Publishing. This book was released on 2001-06 with total page 412 pages. Available in PDF, EPUB and Kindle. Book excerpt: Plastics and rubbers together make up the most adaptable and varied class of materials available to product designers. They may be transparent or opaque, rigid or flexible, lightweight, insulating, and weatherproof. They are used in almost every industry, and in every part of the home. Applications range from the humble hot water bottle to the sheathing on a high voltage cable, and from a simple scrubbing brush to a tank for storing hydrochloric acid. Products may be disposable (e.g. packaging goods) or intended to last for decades, such as a buried sewage pipe. However, it is this very diversity which makes materials selection so difficult, and appropriate design so important. Indeed the one thing that all these particular products have in common is their presence in this book of failures. Failures due to degradation may result from exposure to the weather or an aggressive operating environment. Alternatively they may be caused by the introduction of an external agent unforeseen by the product designer. They may be rapid or very slow, and they may result from a combination of factors. In this book Dr. Wright describes the following mechanisms of polymer degradation, and then illustrates each failure mechanism with a number of case studies: Thermo-oxidation, Photo-oxidation, Degradation due to ionising radiation, Chemical attack, Environmental stress cracking, Other miscellaneous effects, including treeing, electrochemical degradation and biodegradation. Many of the case studies are based on Dr. Wrights own experiences whilst working at Rapra. In each case he describes the circumstances of the failure, and discusses both the consequences of the failure and the lessons that may be learned from it. Most of the failed products are familiar to us all, and his style is both readable and informative. Photographs are included where available. The book will be essential reading for designers, engineers, product specifiers and forensic engineers. Materials suppliers and processors will also benefit from the pragmatic analysis and advice it contains. It will also be of value to all students of polymer science and technology, providing an essential insight into the practical application of plastics and rubbers and the potential problems. Finally, it will be of interest to a much broader readership, including anyone who ever wondered why things break, and it should become a standard reference work in all technical libraries. This book was written with the support of the UK Department of Trade and Industry. It is intended to raise awareness of the causes and consequences of polymer product failures, in order to reduce the future incidences of such failures, and their considerable costs to industry
Author : Roger P. Brown
Publisher : iSmithers Rapra Publishing
ISBN 13 : 1859573304
Total Pages : 118 pages
Book Rating : 4.8/5 (595 download)
Download or read book Rubber Product Failure written by Roger P. Brown and published by iSmithers Rapra Publishing. This book was released on 2002 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt: Rubber components are used in many demanding applications, from tyres and seals to gloves and medical devices, and failure can be catastrophic. This review of Rubber Product Failure outlines and illustrates the common causes of failure, while addressing ways of avoiding it. There has been increasing pressure to improve performance so that rubbers can be used at higher temperatures and in harsher environments. For example, the under-the-bonnet temperature has increased in some vehicles and new medical devices require longer lifetimes in potentially degrading biological fluids. The expectations of tyre performance in particular are increasing, and retreads have been in the spotlight for failures. The definition of failure depends on the application. For example, a racing car engine seal that lasts for one race may be acceptable, but in a normal car a life span of 10 years is more reasonable. If appearance is critical as in surface coatings and paints, then discolouration is failure, whilst in seals leakage is not acceptable. Each rubber product must be fit for the use specified by the consumer. Failure analysis is critical to product improvement. the cause of the problem can be much harder to find. It can range from a design fault to poor material selection, to processing problems, to manufacturing errors such as poor dimensional tolerances, to poor installation, product abuse and unexpected service conditions. The rubber technologist must become a detective, gathering evidence, understanding the material type and using deductive reasoning. Testing and analysis of failed materials and components add to the information available for failure analysis. For example, stored aged tyres appeared superficially to be alright for use, but on drum testing small cracks grew more quickly than in new tyres leading to rapid failure in service. Quality control procedures such as product inspection, testing and material quality checks can help to reach 100 percent reliability. In critical applications such as electricians' gloves for high voltage working, gloves are inspected before each use, while engine seals may be routinely replaced before the expected lifetime to avoid problems. in the literature is not high. However, several reviews have been written on specific products and references can be found at the end of this review. Around 400 abstracts from papers in the Polymer Library are included with an index. Subjects covered include tyre wear and failure, seals, engine components, rubber bonding failure, rubber failure due to chloramine in water, tank treads, gloves and condoms, medical devices and EPDM roofing membranes.
Author : Hee-Seung Ro
Publisher :
ISBN 13 :
Total Pages : 150 pages
Book Rating : 4.:/5 (932 download)
Download or read book Modeling and Interpretation of Fatigue Failure Initiation in Rubber Related to Pneumatic Tires written by Hee-Seung Ro and published by . This book was released on 1989 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation is concerned with the multiaxial fatigue behavior of rubber related to pneumatic tires. The results provide the methodologies to predict the fatigue life in the states of complex stresses and for arbitrary geometries by utilizing experimental data from simple stress states on simple geometries. Most practical applications are under multiaxial and nonrelaxing conditions, but most of the data on fatigue life of rubber obtained from laboratories are for uniaxial and relaxing conditions. When the data are not available for actual loading conditions, the fatigue life can be evaluated from experimental data for uniaxial fatigue loading by an empirical relationship. The methodologies of predicting the crack initiation life were developed for filled SBR by the use of strain-fatigue life curves. They combine a modified Goodman relationship and the various fatigue failure theories, and were developed for linear and nonlinear models of the stress-strain relationship. The multiaxial fatigue failure approach using the total strain energy was found to give the most practical agreement with experimental data. The statistical behavior of fatigue life was investigated experimentally, and lognormal and Weibull distribution approximations were found to be acceptable from an engineering viewpoint. The lognormal distribution was, however, recommended to save experimental time. The test can be terminated after only half the number of specimens fail when a number of specimens are tested simultaneously. The statistical strain-fatigue life curves were approximated by a family of straight lines in log-log coordinates. Therefore, the data for fatigue life distribution can be extrapolated to lower strain levels and the cumulative density function can be formulated in simple forms. Also, a method of predicting the reliability of rubber components at an expected fatigue life was presented. Besides the mechanical factor affecting the fatigue failure of rubber, two other factors, temperature and environmental aging, were considered to adjust the fatigue life predicted for mechanical deformations to real operating conditions. A method of predicting fatigue life for arbitrary periodic loading was proposed, which deals with the experimental data generated by harmonic and constant amplitude loading on uniaxial strips.
Author : P. G. Forrest
Publisher : Elsevier
ISBN 13 : 1483160734
Total Pages : 436 pages
Book Rating : 4.4/5 (831 download)
Download or read book Fatigue of Metals written by P. G. Forrest and published by Elsevier. This book was released on 2013-10-22 with total page 436 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fatigue of Metals provides a general account of the failure of metals due to fatigue, a subject of great practical importance in the field of engineering and metallurgy. The book covers a wide range of topics on the study of the fatigue of metals. The text presents in the first three chapters the characteristics and detection of fatigue fractures; methods of fatigue testing; and the fatigue strengths of different materials. The resistance of materials to fatigue under complex stress; the determination and effects of stress concentration; influence of surface treatment on fatigue strength; and effects of corrosion and temperature are also studied in detail. In relation to the previous chapters of fatigue information, a chapter is devoted to engineering design to prevent fatigue. The last two chapters provide a brief historical survey of the developments of the study of the mechanism of fatigue and fatigue of non-metallic materials such as wood, plastic, rubber, glass, and concrete. Mechanical engineers, designers, metallurgists, researchers, and students will find the book as a good reference material.
Author : Maryam Hosseini
Publisher :
ISBN 13 :
Total Pages : 276 pages
Book Rating : 4.:/5 (975 download)
Download or read book Experimental Determination of Fatigue Life for International Rubber Hardness Degree 60 Engine Mount Rubber written by Maryam Hosseini and published by . This book was released on 2010 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the new millennium era, rubber materials are vigorously used in many industries including automotive that cover a wide range of applications such as tires, seals, belts, bushes and engine mounts. Rubber is an ideal material for many applications because it can withstand very large strain with no permanent deformation or fracture. The behavior of material under repeated loads differs from static loads. Elastomers fail at cyclic stress or strain amplitude much lower than static stress or strain. It is based on growth of cracks through the material. The fatigue analysis and its lifetime evaluation are very important in design procedure to assure the safety and reliability of the rubber components. Design of rubber against fatigue failure is one of the important topics to be focussed for checking the failures during its operation life. Many mechanical and environmental factors could prolong the rubber fatigue life. The fatigue failure process of materials is explained by two approaches including crack initiation and crack propagation. The present work deals with investigation of the fatigue behavior using rubber dumbbell test specimens under uniaxial loading. The material used in this study is a vulcanized natural rubber with a typical engine mount formulation and the hardness of International Rubber Hardness Degree 60. Test specimens were designed based on type 2 of MS ISO 37 standard and used for tensile and fatigue tests, both in ambient temperature. Fatigue tests were conducted under the displacement controlled condition with a sine waveform of 0.1 Hz and the ratio of the minimum displacement to the maximum displacement was equal to zero. The experimental results were presented under strain controlled condition. For investigation of the fatigue damage behavior, a theoretical equation was developed based on the continuum damage mechanics theory. The Ogden strain energy potential of first order was used for defining a constitutive relation of the natural rubber. The proposed theoretical formula was based on function of the strain range under cyclic loading to determine the fatigue life of elastomeric material. The ability of predicted fatigue life shows a reasonable agreement of 98% with experimental values. The experimental results and theoretical equation were validated with the previous experimental data which show a good agreement of 97% and 93% respectively.
Author : R. P. Campion
Publisher : Hanser Gardner Publications
ISBN 13 : 9781569902998
Total Pages : 365 pages
Book Rating : 4.9/5 (29 download)
Download or read book Engineering with Rubber written by R. P. Campion and published by Hanser Gardner Publications. This book was released on 2001 with total page 365 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides the beginning engineer with the principles of rubber science and technology: what rubber is, how it behaves, and how to design engineering components with rubber.
Author : Anil K. Bhowmick
Publisher : Springer
ISBN 13 :
Total Pages : 392 pages
Book Rating : 4.3/5 (91 download)
Download or read book Fractography of Rubbery Materials written by Anil K. Bhowmick and published by Springer. This book was released on 1991 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt: In spite of the best efforts of technologists, rubber components fail in service from time to time. In some cases replacement of a particular item serves the purpose, but in others the failure may lead to serious consequences involving financial loss, environmental contamination or loss of life. The fractographer is required to establish the root causes in terms of design, choice, and quality of material, and to determine the mechanism of failure based on the nature/details or appearance of fracture surfaces. It is the purpose of the present book to treat under a single title the morphology of fracture surfaces obtained from tear, fatigue, abrasion and combinations of these. The book attempts to analyse fracture surfaces of simple rubber and rubber components and to correlate the failure/strength properties with the morphology of fracture surface. Although there is literature coming out from every corner of the world on fracture surface morphology, there is no single book devoted to this important class of material, namely rubber. Needless to say a similar attempt in the field of metallurgy has solved many intricate problems which are beyond the reach of simple mathematical analysis. The first six chapters deal with simple rubber and rubber-based com posites failed under controlled mode, namely, tensile, tear, fatigue, and abrasion. The remaining four chapters deal with the failure of rubber products and, hence, involve complicated analyses. As such, this book may serve as a guideline for further development of the subject in this field.
Author : S. Seetharamu
Publisher :
ISBN 13 : 9789811547805
Total Pages : 0 pages
Book Rating : 4.5/5 (478 download)
Download or read book Fatigue, Durability, and Fracture Mechanics written by S. Seetharamu and published by . This book was released on 2021 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents selected papers presented during Fatigue Durability India 2019. The contents of this volume discuss advances in the field of fatigue, durability, and fracture, and cover mechanical failure and its applications. The chapters cover a wide spectrum of topics, including design, engineering, testing and computational evaluation of the components or systems for fatigue, durability, and fracture mechanics. The contents of this book will appeal not only to academic researchers, but also to design engineers, failure analysts, maintenance engineers, certification personnel, and R&D professionals involved in a wide variety of industries.
Author : A. G. James
Publisher :
ISBN 13 :
Total Pages : 231 pages
Book Rating : 4.:/5 (16 download)
Download or read book A Study of Fatigue Failure in Vulcanized Rubber written by A. G. James and published by . This book was released on 1970 with total page 231 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : S. Seetharamu
Publisher : Springer Nature
ISBN 13 : 9811547793
Total Pages : 656 pages
Book Rating : 4.8/5 (115 download)
Download or read book Fatigue, Durability, and Fracture Mechanics written by S. Seetharamu and published by Springer Nature. This book was released on 2020-10-01 with total page 656 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents selected papers presented during Fatigue Durability India 2019. The contents of this volume discuss advances in the field of fatigue, durability, and fracture, and cover mechanical failure and its applications. The chapters cover a wide spectrum of topics, including design, engineering, testing and computational evaluation of the components or systems for fatigue, durability, and fracture mechanics. The contents of this book will appeal not only to academic researchers, but also to design engineers, failure analysts, maintenance engineers, certification personnel, and R&D professionals involved in a wide variety of industries.
Author : Richard W. Hertzberg
Publisher :
ISBN 13 :
Total Pages : 328 pages
Book Rating : 4.3/5 (91 download)
Download or read book Fatigue of Engineering Plastics written by Richard W. Hertzberg and published by . This book was released on 1980 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Abdullah Hasan
Publisher : LAP Lambert Academic Publishing
ISBN 13 : 9783848496181
Total Pages : 136 pages
Book Rating : 4.4/5 (961 download)
Download or read book Fatigue in Rubber written by Abdullah Hasan and published by LAP Lambert Academic Publishing. This book was released on 2012-04 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt: Rubber components subjected to fluctuating loads often fail due to the nucleation and growth of defects or cracks. This study review the rubber types with their properties and applications, review the analysis approaches that are currently available for predicting fatigue life in rubber. Both crack nucleation and crack growth approaches are considered. A discussion of each approach and applications of these approaches have been applied in engineering analysis are presented. Also review the factors that affect on mechanical fatigue life of rubber components. Four major categories of factors are reviewed here: the effects of mechanical loading history, environmental effects, effects of rubber formulation, and effects due to dissipative aspects of the constitutive response of rubber. The constitutive models are widely used in Finite Element Analysis FEA packages for rubber components are presented; and presented here the applications of FEA to study the fatigue lifetime of rubber.
