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Enhanced Hydrogen Concentrations Ahead Of Rounded Notches And Cracks Competition Between Plastic Strain And Hydrostatic Constraint
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Book Synopsis Enhanced Hydrogen Concentrations Ahead of Rounded Notches and Cracks-- Competition Between Plastic Strain and Hydrostatic Constraint by : Jon M. Lufrano
Download or read book Enhanced Hydrogen Concentrations Ahead of Rounded Notches and Cracks-- Competition Between Plastic Strain and Hydrostatic Constraint written by Jon M. Lufrano and published by . This book was released on 1996 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Theoretical and Applied Mechanics Report by :
Download or read book Theoretical and Applied Mechanics Report written by and published by . This book was released on 1999 with total page 496 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Illinois Documents List written by and published by . This book was released on 1997 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Publications of the State of Illinois 1994 by :
Download or read book Publications of the State of Illinois 1994 written by and published by . This book was released on with total page 668 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :University of Illinois at Urbana-Champaign. Engineering Documents Center Publisher : ISBN 13 : Total Pages :116 pages Book Rating :4.:/5 (31 download)
Book Synopsis Engineering Documents Center Index by : University of Illinois at Urbana-Champaign. Engineering Documents Center
Download or read book Engineering Documents Center Index written by University of Illinois at Urbana-Champaign. Engineering Documents Center and published by . This book was released on 1996 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Publications of the State of Illinois by :
Download or read book Publications of the State of Illinois written by and published by . This book was released on 1990 with total page 460 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Hydrogen Transport in Hydride and Non-hydride Forming Metals and the Mechanistic Implications for Fracture Behavior by : Jon Michael Lufrano
Download or read book Hydrogen Transport in Hydride and Non-hydride Forming Metals and the Mechanistic Implications for Fracture Behavior written by Jon Michael Lufrano and published by . This book was released on 1996 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Despite intense research, a complete mechanistic understanding of the hydrogen embrittlement phenomenon has yet to be achieved. Regardless of the specific mechanism of hydrogen embrittlement, a better understanding of hydrogen transport, hydride formation and their mechanistic effects on stress and strain is needed to elucidate the role of hydrogen in the mechanics of fracture. The thesis consists of five distinct projects, thereby allowing for the analysis of stress induced hydrogen transport in different systems under varying degrees of model complexity. The metal-hydrogen systems are modeled using a continuum mechanics approach and the solutions are obtained via iterative numerical methods. The first project examines the interaction of solute hydrogen atoms with the stress field of a sharp crack in an elastic material under equilibrium conditions. The effect of hydrogen induced volume dilatation and modulus softening on the crack tip stress fields is examined. In the next project, transient hydrogen transport and elastically accommodated hydride formation near a stationary sharp crack in an elastic material are analyzed. The third project considers the competition between hydrostatic stress and plastic strain in determining the interstitial and trapped hydrogen concentrations near a stress concentration in an elastoplastic material. Recent experimental data are considered in the fourth project, in which parameter studies are performed to gain insight into the factors responsible for the development of enhanced hydrogen concentrations in the nickel superalloy, X-750. In the final project, transient hydrogen diffusion and hydride formation near a stationary crack tip in an elastoplastic material are examined. A formulation for determining the effect of an external stress on the terminal solid solubility of hydrogen in an elastoplastic material is presented. A criterion for fracture via hydride formation and subsequent brittle cleavage is proposed and the fracture toughness of a cracked specimen in the presence of hydrogen is shown to be dependent on the tensile loading rate.
Download or read book Metals Abstracts written by and published by . This book was released on 1998 with total page 1076 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Hydrogen/Plasticity Interactions at an Axial Crack in Pipeline Steel by : B. P. Somerday
Download or read book Hydrogen/Plasticity Interactions at an Axial Crack in Pipeline Steel written by B. P. Somerday and published by . This book was released on 2008 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt: The technology of large scale hydrogen transmission from central production facilities to refueling stations and stationary power sites is at present undeveloped. Among the problems which confront the implementation of this technology is the deleterious effect of hydrogen on structural material properties, in particular at gas pressure of 15 MPa which is the desirable transmission pressure suggested by economic studies for efficient transport. To investigate the hydrogen embrittlement of pipelines, a hydrogen transport methodology for the calculation of hydrogen accumulation ahead of a crack tip in a pipeline steel is outlined. This work addresses the interaction of hydrogen with an axial crack on the inside surface of the pipe. The approach accounts for stress-driven transient diffusion of hydrogen and trapping at microstructural defects whose density evolves dynamically with deformation. The results address the effect of hydrostatic constraint, stress, and plastic strain on the time it takes for the steady state hydrogen profiles to be established.
Book Synopsis Numerical Simulation of Hydrogen Assisted Cracking in Supermartensitic Stainless Steel Welds by : Ekkarut Viyanit
Download or read book Numerical Simulation of Hydrogen Assisted Cracking in Supermartensitic Stainless Steel Welds written by Ekkarut Viyanit and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Hydrogen on Materials by : Brian Somerday
Download or read book Effects of Hydrogen on Materials written by Brian Somerday and published by ASM International. This book was released on 2009-01-01 with total page 781 pages. Available in PDF, EPUB and Kindle. Book excerpt: Research and commercial activity in developing hydrogen as a fuel is driving increased attention on hydrogen-materials interactions. In particular, a renewed and intensifying interest in developing hydrogen fuel cells has prompted extensive research with the objective to enable the safe design of components for transporting and storing hydrogen fuel. This volume is the proceedings from the premier conference on hydrogen effects in materials, bridging scientific research and engineering applications. The proceedings volume highlights several themes: the technological importance of hydrogen effects on structural materials; the impact of bridging science and engineering; and the opportunity to apply new research tools, including simulation techniques as well as experimental methods.
Book Synopsis Stress Corrosion Cracking of Pipelines by : Y. Frank Cheng
Download or read book Stress Corrosion Cracking of Pipelines written by Y. Frank Cheng and published by John Wiley & Sons. This book was released on 2013-02-13 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt: Explains why pipeline stress corrosion cracking happens and how it can be prevented Pipelines sit at the heart of the global economy. When they are in good working order, they deliver fuel to meet the ever-growing demand for energy around the world. When they fail due to stress corrosion cracking, they can wreak environmental havoc. This book skillfully explains the fundamental science and engineering of pipeline stress corrosion cracking based on the latest research findings and actual case histories. The author explains how and why pipelines fall prey to stress corrosion cracking and then offers tested and proven strategies for preventing, detecting, and monitoring it in order to prevent pipeline failure. Stress Corrosion Cracking of Pipelines begins with a brief introduction and then explores general principals of stress corrosion cracking, including two detailed case studies of pipeline failure. Next, the author covers: Near-neutral pH stress corrosion cracking of pipelines High pH stress corrosion cracking of pipelines Stress corrosion cracking of pipelines in acidic soil environments Stress corrosion cracking at pipeline welds Stress corrosion cracking of high-strength pipeline steels The final chapter is dedicated to effective management and mitigation of pipeline stress corrosion cracking. Throughout the book, the author develops a number of theoretical models and concepts based on advanced microscopic electrochemical measurements to help readers better understand the occurrence of stress corrosion cracking. By examining all aspects of pipeline stress corrosion cracking—the causes, mechanisms, and management strategies—this book enables engineers to construct better pipelines and then maintain and monitor them to ensure safe, reliable energy supplies for the world.
Book Synopsis Hydrogen Embrittlement and Stress Corrosion Cracking by : Alexander Robert Troiano
Download or read book Hydrogen Embrittlement and Stress Corrosion Cracking written by Alexander Robert Troiano and published by ASM International. This book was released on 1984-01-01 with total page 356 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Polymer Blends Handbook by : L. A. Utracki
Download or read book Polymer Blends Handbook written by L. A. Utracki and published by . This book was released on 2014-01-31 with total page 1800 pages. Available in PDF, EPUB and Kindle. Book excerpt: Written by an international group of highly respected contributors, this fundamental reference work covers all aspects of polymer blends: science, engineering, technology and applications.
Download or read book Materials written by Michael F. Ashby and published by Butterworth-Heinemann. This book was released on 2013-10-09 with total page 899 pages. Available in PDF, EPUB and Kindle. Book excerpt: Materials, Third Edition, is the essential materials engineering text and resource for students developing skills and understanding of materials properties and selection for engineering applications. This new edition retains its design-led focus and strong emphasis on visual communication while expanding its inclusion of the underlying science of materials to fully meet the needs of instructors teaching an introductory course in materials. A design-led approach motivates and engages students in the study of materials science and engineering through real-life case studies and illustrative applications. Highly visual full color graphics facilitate understanding of materials concepts and properties. For instructors, a solutions manual, lecture slides, online image bank, and materials selection charts for use in class handouts or lecture presentations are available at http://textbooks.elsevier.com. The number of worked examples has been increased by 50% while the number of standard end-of-chapter exercises in the text has been doubled. Coverage of materials and the environment has been updated with a new section on Sustainability and Sustainable Technology. The text meets the curriculum needs of a wide variety of courses in the materials and design field, including introduction to materials science and engineering, engineering materials, materials selection and processing, and materials in design. Design-led approach motivates and engages students in the study of materials science and engineering through real-life case studies and illustrative applications Highly visual full color graphics facilitate understanding of materials concepts and properties Chapters on materials selection and design are integrated with chapters on materials fundamentals, enabling students to see how specific fundamentals can be important to the design process For instructors, a solutions manual, lecture slides, online image bank and materials selection charts for use in class handouts or lecture presentations are available at http://textbooks.elsevier.com Links with the Cambridge Engineering Selector (CES EduPack), the powerful materials selection software. See www.grantadesign.com for information NEW TO THIS EDITION: Text and figures have been revised and updated throughout The number of worked examples has been increased by 50% The number of standard end-of-chapter exercises in the text has been doubled Coverage of materials and the environment has been updated with a new section on Sustainability and Sustainable Technology
Book Synopsis Notch Effects in Fatigue and Fracture by : G. Pluvinage
Download or read book Notch Effects in Fatigue and Fracture written by G. Pluvinage and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 361 pages. Available in PDF, EPUB and Kindle. Book excerpt: As Directors of this NATO Workshop, we welcome this opportunity to record formally our thanks to the NATO Scientific Affairs Division for making our meeting possible through generous financial support and encouragement. This meeting has two purposes: the first obvious one because we have collected scientists from East, far East and west to discuss new development in the field of fracture mechanics: the notch fracture mechanics. The second is less obvious but perhaps in longer term more important that is the building of bridges between scientists in the frame of a network called Without Walls Institute on Notch Effects in Fatigue and Fracture". Physical perception of notch effects is not so easy to understand as the presence of a geometrical discontinuity as a worst effect than the simple reduction of cross section. Notch effects in fatigue and fracture is characterised by the following fundamental fact: it is not the maximum local stress or stress which governs the phenomena of fatigue and fracture. The physic shows that a process volume is needed probably to store the necessary energy for starting and propagating the phenomenon. This is a rupture of the traditional "strength of material" school which always give the prior importance of the local maximum stress. This concept of process volume was strongly affirmed during this workshop.
Book Synopsis Fatigue and Fracture Mechanics by : Robert S. Piascik
Download or read book Fatigue and Fracture Mechanics written by Robert S. Piascik and published by ASTM International. This book was released on 1997 with total page 640 pages. Available in PDF, EPUB and Kindle. Book excerpt:
