Sulfide Stress Cracking Behavior Of Grade C 110 Q 125 And T 95 Steel Tubulars Under High Pressure Conditions
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Sulfide Stress Cracking Behavior Of Grade C 110 Q 125 And T 95 Steel Tubulars Under High Pressure Conditions
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Author : Jiwon Jeon
language : en
Publisher:
Release Date : 2016
Sulfide Stress Cracking Behavior Of Grade C 110 Q 125 And T 95 Steel Tubulars Under High Pressure Conditions written by Jiwon Jeon and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with Hydrogen sulfide categories.
Mean Stress And Environmental Effects On Near Threshold Fatigue Crack Propagation On A Ti6246 Alloy At Room Temperature And 500 C
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Author : C. Sarrazin-Baudoux
language : en
Publisher:
Release Date : 2000
Mean Stress And Environmental Effects On Near Threshold Fatigue Crack Propagation On A Ti6246 Alloy At Room Temperature And 500 C written by C. Sarrazin-Baudoux and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Corrosion categories.
The cracking behavior of a Ti6246 alloy under cyclic loading superimposed to different levels of mean stress is studied, with special attention to the near-threshold fatigue crack propagation regime, and to possible coupled effects of corrosion and creep. Tests were conducted at room temperature and 500°C in selected environmental conditions (high vacuum, controlled atmospheric leak low pressure, controlled partial pressure of water vapor in pure argon) and at different frequencies. The near-threshold crack propagation at low Kmax (i.e. low R ratio) is shown to be highly sensitive to the environment, and a predominant detrimental influence of water vapor is observed, even under very low partial pressure. Conditions for the occurrence of an abnormal behavior consisting in the disappearance of the threshold for sufficiently high Kmax level, are discussed from tests performed at various constant Kmax levels in ambient air, high vacuum and humidified argon. This effect is observed in air and in vacuum for Kmax higher than 52 MPa?m, and is related to an intrinsic creep damage process which appears more efficient at room temperature than at 500°C and more accentuated in air than in vacuum. The origin of this abnormal near-threshold behavior is discussed in comparison with a similar behavior described in the literature at room temperature on another type of Ti6246 alloy and at 120°C on an IMI834. Additional experiments conducted at 500°C in humidified argon have shown a critical Kmax level reduced to 22 MPa?m. This behavior is suspected to be related to a contribution of stress corrosion cracking induced by water vapor when some conditions favoring a localization of the deformation and the attainment of a critical embrittlement are fulfilled.
Sensitivity To Sulfide Stress Cracking At Welds In Line Pipe Steels
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Author : HJ. Cialone
language : en
Publisher:
Release Date : 1990
Sensitivity To Sulfide Stress Cracking At Welds In Line Pipe Steels written by HJ. Cialone and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Columbium carbonitrides categories.
A metallurgical investigation was undertaken to identify the factors that are responsible for sensitivity to sulfide-stress cracking (SSC) in the heat-affected zone (HAZ) of microalloyed high-strength line-pipe steels, when the HAZ does not contain regions of high hardness. Sustained-load tests were conducted in the National Association of Corrosion Engineers (NACE) laboratory sour-gas environment to determine the regions in which SSC initiated, and thereby to identify which regions were most sensitive to SSC. In every steel studied, SSC initiated in a specific region of the HAZ, usually in the region that was heated into the intercritical temperature range during welding. One steel exhibited SSC sensitivity in the region adjacent to the weld metal, which was heated above the upper critical temperature during welding, and another steel exhibited SSC sensitivity in the base metal following a laboratory normalizing heat treatment. In all of the steels that were studied, the region that exhibited sensitivity to SSC contained columbium carbonitride precipitates that were coarser than those that were present in the pipe body, which was immune to SSC as fabricated. The only steel that did not fail in the SSC experiments was not alloyed with columbium. These observations suggest that sensitivityo to SSC is related to the growth of columbium carbonitride precipitates from a size below 50 Å to a size ranging from 100 to 200 Å during welding or during some heat treatments. Thus, it should be possible to reduce sensitivity to SSC by modifying the chemical composition or the cooling rate from welding or both to suppress precipitate growth.
Stress Corrosion Cracking
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Author : Russell H. Jones
language : en
Publisher: ASM International(OH)
Release Date : 1992
Stress Corrosion Cracking written by Russell H. Jones and has been published by ASM International(OH) this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Science categories.
Details the many conditions under which stress-corrosion cracking (SCC) can occur, the parameters which control SCC, and the methodologies for mitigating and testing for SCC, plus information on mechanisms of SCC with experimental data on a variety of materials. Contains information about environmen
Stress Corrosion Cracking Of Titanium
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Author :
language : en
Publisher:
Release Date : 1966
Stress Corrosion Cracking Of Titanium written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1966 with Technology & Engineering categories.
Casing Design Theory And Practice
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Author : S.S. Rahman
language : en
Publisher: Elsevier
Release Date : 1995-08-01
Casing Design Theory And Practice written by S.S. Rahman and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995-08-01 with Technology & Engineering categories.
Casing design has followed an evolutionary trend and most improvements have been made due to the advancement of technology. Contributions to the technology in casing design have come from fundamental research and field tests, which have made casing safe and economical. This book gathers together much available information in the subject area and shows how it may be used in deciding the best procedure for casing design i.e. optimizing casing design for deriving maximum profit from a particular well. The problems and their solutions, which are provided in each chapter, and the computer program (3.5 in. disk) are intended to serve two purposes:- firstly, as illustrations for students and practicing engineers to understand the subject matter, and secondly, to enable them to optimize casing design for a wide range of wells to be drilled in the future.
Welding Metallurgy And Weldability Of Nickel Base Alloys
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Author : John C. Lippold
language : en
Publisher: John Wiley & Sons
Release Date : 2011-09-20
Welding Metallurgy And Weldability Of Nickel Base Alloys written by John C. Lippold and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-09-20 with Technology & Engineering categories.
The most up-to-date coverage of welding metallurgy aspects and weldability issues associated with Ni-base alloys Welding Metallurgy and Weldability of Nickel-Base Alloys describes the fundamental metallurgical principles that control the microstructure and properties of welded Ni-base alloys. It serves as a practical how-to guide that enables engineers to select the proper alloys, filler metals, heat treatments, and welding conditions to ensure that failures are avoided during fabrication and service. Chapter coverage includes: Alloying additions, phase diagrams, and phase stability Solid-solution strengthened Ni-base alloys Precipitation strengthened Ni-base alloys Oxide dispersion strengthened alloys and nickel aluminides Repair welding of Ni-base alloys Dissimilar welding Weldability testing High-chromium alloys used in nuclear power applications With its excellent balance between the fundamentals and practical problem solving, the book serves as an ideal reference for scientists, engineers, and technicians, as well as a textbook for undergraduate and graduate courses in welding metallurgy.
Stress Corrosion Cracking
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Author : V S Raja
language : en
Publisher: Elsevier
Release Date : 2011-09-22
Stress Corrosion Cracking written by V S Raja and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-09-22 with Technology & Engineering categories.
The problem of stress corrosion cracking (SCC), which causes sudden failure of metals and other materials subjected to stress in corrosive environment(s), has a significant impact on a number of sectors including the oil and gas industries and nuclear power production. Stress corrosion cracking reviews the fundamentals of the phenomenon as well as examining stress corrosion behaviour in specific materials and particular industries. The book is divided into four parts. Part one covers the mechanisms of SCC and hydrogen embrittlement, while the focus of part two is on methods of testing for SCC in metals. Chapters in part three each review the phenomenon with reference to a specific material, with a variety of metals, alloys and composites discussed, including steels, titanium alloys and polymer composites. In part four, the effect of SCC in various industries is examined, with chapters covering subjects such as aerospace engineering, nuclear reactors, utilities and pipelines. With its distinguished editors and international team of contributors, Stress corrosion cracking is an essential reference for engineers and designers working with metals, alloys and polymers, and will be an invaluable tool for any industries in which metallic components are exposed to tension, corrosive environments at ambient and high temperatures. Examines the mechanisms of stress corrosion cracking (SCC) presenting recognising testing methods and materials resistant to SCC Assesses the effect of SCC on particular metals featuring steel, stainless steel, nickel-based alloys, magnesium alloys, copper-based alloys and welds in steels Reviews the monitoring and management of SCC and the affect of SCC in different industries such as petrochemical and aerospace
Manufacturing And Application Of Stainless Steels
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Author : Andrea Di Schino
language : en
Publisher: MDPI
Release Date : 2020-04-15
Manufacturing And Application Of Stainless Steels written by Andrea Di Schino and has been published by MDPI this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-04-15 with Technology & Engineering categories.
Stainless steels represent a quite interesting material family, both from a scientific and commercial point of view, following to their excellent combination in terms of strength and ductility together with corrosion resistance. Thanks to such properties, stainless steels have been indispensable for the technological progress during the last century and their annual consumption increased faster than other materials. They find application in all these fields requiring good corrosion resistance together with ability to be worked into complex geometries. Despite to their diffusion as a consolidated materials, many research fields are active regarding the possibility to increase stainless steels mechanical properties and corrosion resistance by grain refinement or by alloying by interstitial elements. At the same time innovations are coming from the manufacturing process of such a family of materials, also including the possibility to manufacture them starting from metals powder for 3D printing. The Special Issue scope embraces interdisciplinary work covering physical metallurgy and processes, reporting about experimental and theoretical progress concerning microstructural evolution during processing, microstructure-properties relations, applications including automotive, energy and structural.
Corrosion Problems And Solutions In Oil Refining And Petrochemical Industry
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Author : Alec Groysman
language : en
Publisher: Springer
Release Date : 2016-10-24
Corrosion Problems And Solutions In Oil Refining And Petrochemical Industry written by Alec Groysman and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-10-24 with Technology & Engineering categories.
This book addresses corrosion problems and their solutions at facilities in the oil refining and petrochemical industry, including cooling water and boiler feed water units. Further, it describes and analyzes corrosion control actions, corrosion monitoring, and corrosion management. Corrosion problems are a perennial issue in the oil refining and petrochemical industry, as they lead to a deterioration of the functional properties of metallic equipment and harm the environment – both of which need to be protected for the sake of current and future generations. Accordingly, this book examines and analyzes typical and atypical corrosion failure cases and their prevention at refineries and petrochemical facilities, including problems with: pipelines, tanks, furnaces, distillation columns, absorbers, heat exchangers, and pumps. In addition, it describes naphthenic acid corrosion, stress corrosion cracking, hydrogen damages, sulfidic corrosion, microbiologically induced corrosion, erosion-corrosion, and corrosion fatigue occurring at refinery units. At last, fouling, corrosion and cleaning are discussed in this book.