A Review On Pitting Corrosion And Environmentally Assisted Cracking On Duplex Stainless Steel
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Author | : Menghao Liu |
Publisher | : OAE Publishing Inc. |
Total Pages | : 27 |
Release | : 2023-04-18 |
Genre | : Technology & Engineering |
ISBN | : |
Duplex stainless steel is widely used in the petrochemical, maritime, and food industries. However, duplex stainless steel has the problem of corrosion failures during use. This topic has not been comprehensively and academically reviewed. These factors motivate the authors to review the developments in the corrosion research of duplex stainless steel. The review found that the primary reasons for the failure of duplex stainless steels are pitting corrosion and chloride-induced stress corrosion cracking. After being submerged in water, the evolution of the passive film on the duplex stainless steel can be loosely classified into three stages: nucleation, rapid growth, and stable growth stages. Instead of dramatic rupture, the passive film rupture process is a continuous metal oxidation process. Environmental factors scarcely affect the double-layer structure of the passive film, but they affect the film's overall thickness, oxide ratio, and defect concentration. The six mechanisms of alloying elements on pitting corrosion are summarized as stabilization, ineffective, soluble precipitates, soluble inclusions, insoluble inclusions, and wrapping mechanisms. In environments containing chlorides, ferrite undergoes pitting corrosion more easily than austenite. However, the pitting corrosion resistance reverses when sufficiently large deformation is used. The mechanisms of pitting corrosion induced by precipitates include the Cr-depletion, microgalvanic, and high-stress field theories. Chloride-induced cracks always initiate in the corrosion pits and blunt when encountering austenite. Phase boundaries are both strong hydrogen traps and rapid hydrogen diffusion pathways during hydrogen-induced stress cracking.
Author | : Curtis W. Kovach |
Publisher | : |
Total Pages | : 96 |
Release | : 2000 |
Genre | : Stainless steel |
ISBN | : |
Author | : V S Raja |
Publisher | : Elsevier |
Total Pages | : 817 |
Release | : 2011-09-22 |
Genre | : Technology & Engineering |
ISBN | : 0857093762 |
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
Author | : Fumio Hine |
Publisher | : |
Total Pages | : 248 |
Release | : 1988 |
Genre | : Science |
ISBN | : |
Author | : International Molybdenum Association |
Publisher | : |
Total Pages | : 63 |
Release | : 2009 |
Genre | : Duplex stainless steel |
ISBN | : 9781907470004 |
Author | : A. John Sedriks |
Publisher | : John Wiley & Sons |
Total Pages | : 467 |
Release | : 1996-04-19 |
Genre | : Science |
ISBN | : 0471007927 |
A Complete, Up-to-Date Introduction to Corrosion of StainlessSteels and Metallurgical Factors This fully updated Second Editionof Corrosion of Stainless Steels covers the tremendous advancesmade with stainless steels in recent decades, includingapplications in many new areas--from marine technologies andoff-shore oil production to power plants and the kitchen sink. Thisbook offers unique insights into the corrosion mechanisms affectingstainless steels, details problem-avoidance strategies, and helpsidentify corrosion-resistant capabilities for these remarkablealloys Sponsored by the Electrochemical Society, Corrosion osStainless Steels * Provides a comprehensive introduction to the selection,development, and production of all types of stainless steels * Emphasizes how metallurgical factors affect corrosionresistance * Examines the limitations of stainless steels within the contextof a discussion on higher alloys * Takes an interdisciplinary approach that demonstrates thecombined effects of metallurgy, chemistry, and electrochemistry oncorrosion resistance * Provides baseline knowledge and testing standards for stainlesssteels, and facilitates failure analysis for industrial purposes orlitigation related to equipment failure This is a much-needed text for materials scientists, chemicalengineers, corrosion specialists, graduate students, and anyone whoneeds to be brought up to date on this subject.
Author | : Philippe Marcus |
Publisher | : CRC Press |
Total Pages | : 760 |
Release | : 2002-07-24 |
Genre | : Mathematics |
ISBN | : 9780203909188 |
Called "a useful contribution to the current litereture on corrosion science, engineering, and technology" by Corrosion Review, this book offers real-world applications and problem-solving techniques to reduce the occurrence of pits, cracks, and deterioration in industrial, automotive, marine, and electronic structures. It details the electrochemic
Author | : Z. Szklarska-Smialowska |
Publisher | : Nace International |
Total Pages | : 590 |
Release | : 2005-01-01 |
Genre | : Science |
ISBN | : 9781575901855 |
Author | : G. M. Ugiansky |
Publisher | : ASTM International |
Total Pages | : 462 |
Release | : 1979 |
Genre | : Science |
ISBN | : 9780803105799 |
Author | : R Gunn |
Publisher | : Woodhead Publishing |
Total Pages | : 220 |
Release | : 1997-10-21 |
Genre | : Science |
ISBN | : 9781855733183 |
Two very successful conferences - in Glasgow and Beaune - were held on duplex stainless steels during the first half of the '90s. This book takes keynote papers from each, and develops and expands them to bring the topics right up to date. There is new material to cover grades, specifications and standards, and the book is fully cross-references and indexed. The first reference book to be published on the increasingly popular duplex stainless steels, it will be widely welcomed by metallurgists, design and materials engineers, oil and gas engineers and anyone involved in materials development and properties. The first reference book on this relatively new engineering material Based on keynote papers from major international contributors Covers grades, standards and specifications